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Baronas D, Knašienė B, Mickevičiūtė A, Jachno J, Naujalis E, Zubrienė A, Matulis D. Inhibitor binding to metal-substituted metalloenzyme: Sulfonamide affinity for carbonic anhydrase IX. J Inorg Biochem 2024; 256:112547. [PMID: 38581802 DOI: 10.1016/j.jinorgbio.2024.112547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/18/2024] [Accepted: 03/30/2024] [Indexed: 04/08/2024]
Abstract
Transition metal ions are structural and catalytic cofactors of many proteins including human carbonic anhydrase (CA), a Zn-dependent hydrolase. Sulfonamide inhibitors of CA recognize and form a coordination bond with the Zn ion located in the active site of the enzyme. The Zn ion may be removed or substituted with other metal ions. Such CA protein retains the structure and could serve as a tool to study metal ion role in the recognition and binding affinity of inhibitor molecules. We measured the affinities of selected divalent transition metal ions, including Mn, Fe, Co, Ni, Cu, Cd, Hg, and Zn to metal-free CA isozymes CA I, CA II, and CAIX by fluorescence-based thermal shift assay, prepared metal-substituted CAs, and determined binding of diverse sulfonamide compounds. Sulfonamide inhibitor binding to metal substituted CA followed a U-shape pH dependence. The binding was dissected to contributing binding-linked reactions and the intrinsic binding reaction affinity was calculated. This value is independent of pH and protonation reactions that occur simultaneously upon binding native CA and as demonstrated here, to metal substituted CA. Sulfonamide inhibitor binding to cancer-associated isozyme CAIX diminished in the order: Zn > Co > Hg > Cu > Cd > Mn > Ni. Energetic contribution of the inhibitor-metal coordination bond was determined for all above metals. The understanding of the principles of metal influence on ligand affinity and selectivity should help design new drugs targeting metalloenzymes.
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Affiliation(s)
- Denis Baronas
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio 7, Vilnius LT-10257, Lithuania
| | - Birutė Knašienė
- Center for Physical Sciences and Technology, Saulėtekio 3, Vilnius LT-10257, Lithuania
| | - Aurelija Mickevičiūtė
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio 7, Vilnius LT-10257, Lithuania
| | - Jelena Jachno
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio 7, Vilnius LT-10257, Lithuania
| | - Evaldas Naujalis
- Center for Physical Sciences and Technology, Saulėtekio 3, Vilnius LT-10257, Lithuania
| | - Asta Zubrienė
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio 7, Vilnius LT-10257, Lithuania
| | - Daumantas Matulis
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio 7, Vilnius LT-10257, Lithuania.
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Hull JA, Lee C, Kim JK, Lim SW, Park J, Park S, Lee SJ, Park G, Eom I, Kim M, Hyun H, Combs JE, Andring JT, Lomelino C, Kim CU, McKenna R. XFEL structure of carbonic anhydrase II: a comparative study of XFEL, NMR, X-ray and neutron structures. Acta Crystallogr D Struct Biol 2024; 80:194-202. [PMID: 38411550 PMCID: PMC10910541 DOI: 10.1107/s2059798324000482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/12/2024] [Indexed: 02/28/2024] Open
Abstract
The combination of X-ray free-electron lasers (XFELs) with serial femtosecond crystallography represents cutting-edge technology in structural biology, allowing the study of enzyme reactions and dynamics in real time through the generation of `molecular movies'. This technology combines short and precise high-energy X-ray exposure to a stream of protein microcrystals. Here, the XFEL structure of carbonic anhydrase II, a ubiquitous enzyme responsible for the interconversion of CO2 and bicarbonate, is reported, and is compared with previously reported NMR and synchrotron X-ray and neutron single-crystal structures.
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Affiliation(s)
- Joshua A. Hull
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Cheol Lee
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jin Kyun Kim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Seon Woo Lim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jaehyun Park
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
- Department of Chemical Engineering, POSTECH, Pohang 37673, Republic of Korea
| | - Sehan Park
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - Sang Jae Lee
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - Gisu Park
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - Intae Eom
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - Minseok Kim
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - HyoJung Hyun
- Pohang Accelerator Laboratory, POSTECH, Pohang 37673, Republic of Korea
| | - Jacob E. Combs
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Jacob T. Andring
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Carrie Lomelino
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Chae Un Kim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
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Supuran CT. Drug interactions of carbonic anhydrase inhibitors and activators. Expert Opin Drug Metab Toxicol 2024; 20:143-155. [PMID: 38450431 DOI: 10.1080/17425255.2024.2328152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 03/04/2024] [Indexed: 03/08/2024]
Abstract
INTRODUCTION Carbonic anhydrases (CAs, EC 4.2.1.1) have been established drug targets for decades, with their inhibitors and activators possessing relevant pharmacological activity and applications in various fields. At least 11 sulfonamides/sulfamates are clinically used as diuretics, antiglaucoma, antiepileptic, or antiobesity agents and one derivative, SLC-0111, is in clinical trials as antitumor/antimetastatic agent. The activators were less investigated with no clinically used agent. AREAS COVERED Drug interactions between CA inhibitors/activators and various other agents are reviewed in publications from the period March 2020 - January 2024. EXPERT OPINION Drug interactions involving these agents revealed several interesting findings. Acetazolamide plus loop diuretics is highy effective in acute decompensated heart failure, whereas ocular diseases such as X-linked retinoschisis and macular edema were treated by acetazolamide plus bevacizumab or topical NSAIDs. Potent anti-infective effects of acetazolamide and other CAIs, alone or in combination with other agents were demonstrated for the management of Neisseria gonorrhoea, vancomycin resistant enterococci, Acanthamoeba castellanii, Trichinella spiralis, and Cryptococcus neoformans infections. Topiramate, in combination with phentermine is incresingly used for the management of obesity, whereas zonisamide plus levodopa is highly effective for Parkinson's disease. Acetazolamide, methazolamide, ethoxzolamide, and SLC-0111 showed synergistic antitumor/antimetastatic action in combination with many other antitumor drugs.
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Affiliation(s)
- Claudiu T Supuran
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Sesto Fiorentino, FI, Italy
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Supuran CT. Carbonic anhydrase versatility: from pH regulation to CO 2 sensing and metabolism. Front Mol Biosci 2023; 10:1326633. [PMID: 38028557 PMCID: PMC10676200 DOI: 10.3389/fmolb.2023.1326633] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 10/26/2023] [Indexed: 12/01/2023] Open
Abstract
While the carbonic anhydrase (CA, EC 4.2.1.1) superfamily of enzymes has been described primarily as involved only in pH regulation for decades, it also has many other important functions. CO2, bicarbonate, and protons, the physiological substrates of CA, are indeed the main buffering system in organisms belonging to all life kingdoms; however, in the last period, relevant progress has been made in the direction of elucidating the involvement of the eight genetically distinct CA families in chemical sensing, metabolism, and several other crucial physiological processes. Interference with CA activity, both by inhibiting and activating these enzymes, has thus led to novel applications for CA inhibitors and activators in the field of innovative biomedicine and environment and health. In this perspective article, I will discuss the recent advances which have allowed for a deeper understanding of the biochemistry of these versatile enzymes and various applications of their modulators of activity.
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Affiliation(s)
- Claudiu T. Supuran
- Neurofarba Department, Section of Pharmaceutical Sciences, University of Florence, Florence, Italy
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Somalinga V, Foss E, Grunden AM. Biochemical characterization of a psychrophilic and halotolerant α-carbonic anhydrase from a deep-sea bacterium, Photobacterium profundum. AIMS Microbiol 2023; 9:540-553. [PMID: 37649802 PMCID: PMC10462458 DOI: 10.3934/microbiol.2023028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 05/20/2023] [Accepted: 05/24/2023] [Indexed: 09/01/2023] Open
Abstract
Prokaryotic α-carbonic anhydrases (α-CA) are metalloenzymes that catalyze the reversible hydration of CO2 to bicarbonate and proton. We had reported the first crystal structure of a pyschrohalophilic α-CA from a deep-sea bacterium, Photobacterium profundum SS9. In this manuscript, we report the first biochemical characterization of P. profundum α-CA (PprCA) which revealed several catalytic properties that are atypical for this class of CA's. Purified PprCA exhibited maximal catalytic activity at psychrophilic temperatures with substantial decrease in activity at mesophilic and thermophilic range. Similar to other α-CA's, Ppr9A showed peak activity at alkaline pH (pH 11), although, PprCA retained 88% of its activity even at acidic pH (pH 5). Exposing PprCA to varying concentrations of oxidizing and reducing agents revealed that N-terminal cysteine residues in PprCA may play a role in the structural stability of the enzyme. Although inefficient in CO2 hydration activity under mesophilic and thermophilic temperatures, PprCA exhibited salt-dependent thermotolerance and catalytic activity under extreme halophilic conditions. Similar to other well-characterized α-CA's, PprCA is also inhibited by monovalent anions even at low concentrations. Finally, we demonstrate that PprCA accelerates CO2 biomineralization to calcium carbonate under alkaline conditions.
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Affiliation(s)
- Vijayakumar Somalinga
- Department of Biological & Biomedical Sciences, Southwestern Oklahoma State University, 100 Campus Drive, Weatherford, OK 73096, USA
| | - Emily Foss
- Department of Biological & Biomedical Sciences, Southwestern Oklahoma State University, 100 Campus Drive, Weatherford, OK 73096, USA
| | - Amy M. Grunden
- Department of Plant and Microbial Biology, North Carolina State University, 4550A Thomas Hall, Campus Box 7612, Raleigh, NC 27695, USA
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Gheibzadeh MS, Manyumwa CV, Tastan Bishop Ö, Shahbani Zahiri H, Parkkila S, Zolfaghari Emameh R. Genome Study of α-, β-, and γ-Carbonic Anhydrases from the Thermophilic Microbiome of Marine Hydrothermal Vent Ecosystems. BIOLOGY 2023; 12:770. [PMID: 37372055 DOI: 10.3390/biology12060770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/17/2023] [Accepted: 05/17/2023] [Indexed: 06/29/2023]
Abstract
Carbonic anhydrases (CAs) are metalloenzymes that can help organisms survive in hydrothermal vents by hydrating carbon dioxide (CO2). In this study, we focus on alpha (α), beta (β), and gamma (γ) CAs, which are present in the thermophilic microbiome of marine hydrothermal vents. The coding genes of these enzymes can be transferred between hydrothermal-vent organisms via horizontal gene transfer (HGT), which is an important tool in natural biodiversity. We performed big data mining and bioinformatics studies on α-, β-, and γ-CA coding genes from the thermophilic microbiome of marine hydrothermal vents. The results showed a reasonable association between thermostable α-, β-, and γ-CAs in the microbial population of the hydrothermal vents. This relationship could be due to HGT. We found evidence of HGT of α- and β-CAs between Cycloclasticus sp., a symbiont of Bathymodiolus heckerae, and an endosymbiont of Riftia pachyptila via Integrons. Conversely, HGT of β-CA genes from the endosymbiont Tevnia jerichonana to the endosymbiont Riftia pachyptila was detected. In addition, Hydrogenovibrio crunogenus SP-41 contains a β-CA gene on genomic islands (GIs). This gene can be transferred by HGT to Hydrogenovibrio sp. MA2-6, a methanotrophic endosymbiont of Bathymodiolus azoricus, and a methanotrophic endosymbiont of Bathymodiolus puteoserpentis. The endosymbiont of R. pachyptila has a γ-CA gene in the genome. If α- and β-CA coding genes have been derived from other microorganisms, such as endosymbionts of T. jerichonana and Cycloclasticus sp. as the endosymbiont of B. heckerae, through HGT, the theory of the necessity of thermostable CA enzymes for survival in the extreme ecosystem of hydrothermal vents is suggested and helps the conservation of microbiome natural diversity in hydrothermal vents. These harsh ecosystems, with their integral players, such as HGT and endosymbionts, significantly impact the enrichment of life on Earth and the carbon cycle in the ocean.
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Affiliation(s)
- Mohammad Sadegh Gheibzadeh
- Department of Energy and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran 14965/161, Iran
| | - Colleen Varaidzo Manyumwa
- Research Unit in Bioinformatics (Rubi), Department of Biochemistry and Microbiology, Rhodes University, Grahamstown 6140, South Africa
| | - Özlem Tastan Bishop
- Research Unit in Bioinformatics (Rubi), Department of Biochemistry and Microbiology, Rhodes University, Grahamstown 6140, South Africa
| | - Hossein Shahbani Zahiri
- Department of Energy and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran 14965/161, Iran
| | - Seppo Parkkila
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland
- Fimlab Ltd., Tampere University Hospital, 33520 Tampere, Finland
| | - Reza Zolfaghari Emameh
- Department of Energy and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran 14965/161, Iran
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7
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Bukhdruker S, Varaksa T, Orekhov P, Grabovec I, Marin E, Kapranov I, Kovalev K, Astashkin R, Kaluzhskiy L, Ivanov A, Mishin A, Rogachev A, Gordeliy V, Gilep A, Strushkevich N, Borshchevskiy V. Structural insights into the effects of glycerol on ligand binding to cytochrome P450. Acta Crystallogr D Struct Biol 2023; 79:66-77. [PMID: 36601808 DOI: 10.1107/s2059798322011019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 11/16/2022] [Indexed: 01/06/2023] Open
Abstract
New antitubercular drugs are vital due to the spread of resistant strains. Carbethoxyhexyl imidazole (CHImi) inhibits cytochrome P450 CYP124, which is a steroid-metabolizing enzyme that is important for the survival of Mycobacterium tuberculosis in macrophages. The available crystal structure of the CYP124-CHImi complex reveals two glycerol molecules in the active site. A 1.15 Å resolution crystal structure of the glycerol-free CYP124-CHimi complex reported here shows multiple conformations of CHImi and the CYP124 active site which were previously restricted by glycerol. Complementary molecular dynamics simulations show coherence of the ligand and enzyme conformations. Spectrophotometric titration confirmed the influence of glycerol on CHImi binding: the affinity decreases more than tenfold in glycerol-containing buffer. In addition, it also showed that glycerol has a similar effect on other azole and triazole CYP124 ligands. Together, these data show that glycerol may compromise structural-functional studies and impede rational drug-design campaigns.
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Affiliation(s)
- Sergey Bukhdruker
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
| | - Tatsiana Varaksa
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Minsk 220084, Belarus
| | - Philipp Orekhov
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
| | - Irina Grabovec
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Minsk 220084, Belarus
| | - Egor Marin
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
| | - Ivan Kapranov
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
| | - Kirill Kovalev
- EMBL Outstation Hamburg, c/o DESY, 22607 Hamburg, Germany
| | - Roman Astashkin
- Institut de Biologie Structurale J.-P. Ebel, Université Grenoble Alpes-CEA-CNRS, 38000 Grenoble, France
| | - Leonid Kaluzhskiy
- Laboratory of Intermolecular Interactions, Institute of Biomedical Chemistry, Moscow 119121, Russian Federation
| | - Alexis Ivanov
- Laboratory of Intermolecular Interactions, Institute of Biomedical Chemistry, Moscow 119121, Russian Federation
| | - Alexey Mishin
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
| | - Andrey Rogachev
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
| | - Valentin Gordeliy
- Institut de Biologie Structurale J.-P. Ebel, Université Grenoble Alpes-CEA-CNRS, 38000 Grenoble, France
| | - Andrei Gilep
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Minsk 220084, Belarus
| | | | - Valentin Borshchevskiy
- Research Center for Molecular Mechanisms of Aging and Age-Related Diseases, Moscow Institute of Physics and Technology, Dolgoprudnyy 141701, Russian Federation
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Chifflet S, Briant N, Freydier R, Araújo DF, Quéméneur M, Zouch H, Bellaaj-Zouari A, Carlotti F, Tedetti M. Isotopic compositions of copper and zinc in plankton from the Mediterranean Sea (MERITE-HIPPOCAMPE campaign): Tracing trophic transfer and geogenic inputs. MARINE POLLUTION BULLETIN 2022; 185:114315. [PMID: 36368082 DOI: 10.1016/j.marpolbul.2022.114315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/09/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
This study uses Cu and Zn isotopic compositions as proxies of sources and metal transfers in the planktonic food webs from the Mediterranean Sea. Plankton was collected in spring 2019 in the deep chlorophyll maximum (DCM) along a North-South transect including coastal and offshore zones (MERITE-HIPPOCAMPE campaign). δ65Cu and δ66Zn were determined on four planktonic size fractions from 60 to 2000 μm. Combined δ65Cu and δ66Zn with geochemical tracers (Ti, particulate organic phosphorus) showed that geogenic particles were ubiquitous with plankton assemblages. The δ15N ecological tracer showed that planktonic food web was enriched in heavy isotopes of Cu and Zn in the higher trophic levels. δ65Cu were correlated with picoplankton in the offshore zone, and with zooplankton in the southern coastal zone. Firmicutes bacteria were found correlated with δ66Zn in northern and southern coastal zones suggesting decomposition of particulate matter at the DCM. These findings suggest that biogeochemical process may impact Cu and Zn isotopy in the planktonic community.
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Affiliation(s)
- Sandrine Chifflet
- Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France.
| | - Nicolas Briant
- Ifremer, CCEM Contamination Chimique des Écosystèmes Marins, F-44000 Nantes, France
| | - Rémi Freydier
- HSM, Université de Montpellier, CNRS, Montpellier, France
| | - Daniel F Araújo
- Ifremer, CCEM Contamination Chimique des Écosystèmes Marins, F-44000 Nantes, France
| | - Marianne Quéméneur
- Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France
| | - Hana Zouch
- Institut National des Sciences et Technologies de la Mer (INSTM), 28, rue 2 mars 1934, Salammbô 2025, Tunisia
| | - Amel Bellaaj-Zouari
- Institut National des Sciences et Technologies de la Mer (INSTM), 28, rue 2 mars 1934, Salammbô 2025, Tunisia
| | - François Carlotti
- Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France
| | - Marc Tedetti
- Aix Marseille Univ., Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France
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9
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Queen A, Bhutto HN, Yousuf M, Syed MA, Hassan MI. Carbonic anhydrase IX: A tumor acidification switch in heterogeneity and chemokine regulation. Semin Cancer Biol 2022; 86:899-913. [PMID: 34998944 DOI: 10.1016/j.semcancer.2022.01.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/30/2021] [Accepted: 01/03/2022] [Indexed: 02/07/2023]
Abstract
The primary physiological process of respiration produces carbon dioxide (CO2) that reacts with water molecules which subsequently liberates bicarbonate (HCO-3) and protons. Carbonic anhydrases (CAs) are the primary catalyst involved in this conversion. More than 16 isoforms of human CAs show organ or subcellular specific activity. Dysregulation of each CA is associated with multiple pathologies. Out of these members, the overexpression of membrane-bound carbonic anhydrase IX (CAIX) is associated explicitly with hypoxic tumors or various solid cancers. CAIX helps tumors deal with higher CO2 by sequestering it with bicarbonate ions and helping cancer cells to grow in a comparatively hypoxic or acidic environment, thus acting as a pH adaptation switch. CAIX-mediated adaptations in cancer cells include angiogenesis, metabolic alterations, tumor heterogeneity, drug resistance, and regulation of cancer-specific chemokines. This review comprehensively collects and describe the cancer-specific expression mechanism and role of CAIX in cancer growth, progression, heterogeneity, and its structural insight to develop future combinatorial targeted cancer therapies.
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Affiliation(s)
- Aarfa Queen
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Humaira Naaz Bhutto
- Department of Biotechnology, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Mohd Yousuf
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Mansoor Ali Syed
- Department of Biotechnology, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.
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10
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Sharma T, Sharma A, Xia CL, Lam SS, Khan AA, Tripathi S, Kumar R, Gupta VK, Nadda AK. Enzyme mediated transformation of CO 2 into calcium carbonate using purified microbial carbonic anhydrase. ENVIRONMENTAL RESEARCH 2022; 212:113538. [PMID: 35640707 DOI: 10.1016/j.envres.2022.113538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 05/13/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
In this study, a bacterial carbonic anhydrase (CA) was purified from Corynebacterium flavescens for the CO2 conversion into CaCO3. The synthesized CaCO3 can be utilized in the papermaking industry as filler material, construction material and in steel industry. Herein, the CA was purified by using a Sephadex G-100 column chromatography having 29.00 kDa molecular mass in SDS-PAGE analysis. The purified CA showed an optimal temperature of 35 °C and pH 7.5. In addition, a kinetic study of CA using p-NPA as substrate showed Vmax (166.66 μmoL/mL/min), Km (5.12 mM), and Kcat (80.56 sec-1) using Lineweaver Burk plot. The major inhibitors of CA activity were Na2+, K+, Mn2+, and Al3+, whereas Zn2+ and Fe2+ slightly enhanced it. The purified CA showed a good efficacy to convert the CO2 into CaCO3 with a total conversion rate of 65.05 mg CaCO3/mg of protein. In silico analysis suggested that the purified CA has conserved Zn2+ coordinating residues such as His 111, His 113, and His 130 in the active site center. Further analysis of the CO2 binding site showed conserved residues such as Val 132, Val 142, Leu 196, Thr 197, and Val 205. However, a substitution has been observed where Trp 208 of its closest structural homolog T. ammonificans CA is replaced with Arg 207 of C. flavescens. The presence of a hydrophilic mutation in the CO2 binding hydrophobic region is a further subject of investigation.
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Affiliation(s)
- Tanvi Sharma
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173 234, India
| | - Abhishek Sharma
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, 171 005, India
| | - Chang Lei Xia
- Co-Innovation Center of Efficient Processing and Utilization of Forestry Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Azmat Ali Khan
- Pharmaceutical Biotechnological Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Sonam Tripathi
- Department of Environmental Microbiology, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar Central University, Lucknow, Uttar Pradesh, 226025, India
| | - Raj Kumar
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173 234, India
| | - Vijai Kumar Gupta
- Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK
| | - Ashok Kumar Nadda
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173 234, India.
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11
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Sheff JG, Kelly JF, Robotham A, Sulea T, Malenfant F, L'Abbé D, Duchesne M, Pelletier A, Lefebvre J, Acel A, Parat M, Gosselin M, Wu C, Fortin Y, Baardsnes J, Van Faassen H, Awrey S, Chafe SC, McDonald PC, Dedhar S, Lenferink AEG. Hydrogen-deuterium exchange mass spectrometry reveals three unique binding responses of mAbs directed to the catalytic domain of hCAIX. MAbs 2021; 13:1997072. [PMID: 34812124 PMCID: PMC8632303 DOI: 10.1080/19420862.2021.1997072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Human carbonic anhydrase (hCAIX), an extracellular enzyme that catalyzes the reversible hydration of CO2, is often overexpressed in solid tumors. This enzyme is instrumental in maintaining the survival of cancer cells in a hypoxic and acidic tumor microenvironment. Absent in most normal tissues, hCAIX is a promising therapeutic target for detection and treatment of solid tumors. Screening of a library of anti-hCAIX monoclonal antibodies (mAbs) previously identified three therapeutic candidates (mAb c2C7, m4A2 and m9B6) with distinct biophysical and functional characteristics. Selective binding to the catalytic domain was confirmed by yeast surface display and isothermal calorimetry, and deeper insight into the dynamic binding profiles of these mAbs upon binding were highlighted by bottom-up hydrogen-deuterium exchange mass spectrometry (HDX-MS). Here, a conformational and allosterically silent epitope was identified for the antibody-drug conjugate candidate c2C7. Unique binding profiles are described for both inhibitory antibodies, m4A2 and m9B6. M4A2 reduces the ability of the enzyme to hydrate CO2 by steric gating at the entrance of the catalytic cavity. Conversely, m9B6 disrupts the secondary structure that is necessary for substrate binding and hydration. The synergy of these two inhibitory mechanisms is demonstrated in in vitro activity assays and HDX-MS. Finally, the ability of m4A2 to modulate extracellular pH and intracellular metabolism is reported. By highlighting three unique modes by which hCAIX can be targeted, this study demonstrates both the utility of HDX-MS as an important tool in the characterization of anti-cancer biotherapeutics, and the underlying value of CAIX as a therapeutic target.
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Affiliation(s)
- Joey G Sheff
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, Ontario, Canada
| | - John F Kelly
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, Ontario, Canada
| | - Anna Robotham
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, Ontario, Canada
| | - Traian Sulea
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Félix Malenfant
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Denis L'Abbé
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Mélanie Duchesne
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Alex Pelletier
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Jean Lefebvre
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Andrea Acel
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Marie Parat
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Mylene Gosselin
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Cunle Wu
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Yves Fortin
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Jason Baardsnes
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
| | - Henk Van Faassen
- Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, Ontario, Canada
| | - Shannon Awrey
- Department of Integrative Oncology, Bc Cancer Research Institute, Vancouver, BC, Canada
| | - Shawn C Chafe
- Department of Integrative Oncology, Bc Cancer Research Institute, Vancouver, BC, Canada
| | - Paul C McDonald
- Department of Integrative Oncology, Bc Cancer Research Institute, Vancouver, BC, Canada
| | - Shoukat Dedhar
- Department of Integrative Oncology, Bc Cancer Research Institute, Vancouver, BC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Anne E G Lenferink
- Human Health Therapeutics Research Centre, National Research Council Canada, Montreal, Quebec, Canada
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12
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Post-translational modifications in tumor-associated carbonic anhydrases. Amino Acids 2021; 54:543-558. [PMID: 34436666 DOI: 10.1007/s00726-021-03063-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 08/05/2021] [Indexed: 12/31/2022]
Abstract
Human carbonic anhydrases IX (hCA IX) and XII (hCA XII) are two proteins associated with tumor formation and development. These enzymes have been largely investigated both from a biochemical and a functional point of view. However, limited data are currently available on the characterization of their post-translational modifications (PTMs) and the functional implication of these structural changes in the tumor environment. In this review, we summarize existing literature data on PTMs of hCA IX and hCA XII, such as disulphide bond formation, phosphorylation, O-/N-linked glycosylation, acetylation and ubiquitination, highlighting, when possible, their specific role in cancer pathological processes.
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13
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Su D, Zhang Y, Ulrich S, Barboiu M. Constitutional Dynamic Inhibition/Activation of Carbonic Anhydrases. Chempluschem 2021; 86:1500-1510. [PMID: 34327867 DOI: 10.1002/cplu.202100263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/14/2021] [Indexed: 12/23/2022]
Abstract
In this review we consider one important member of the metalloenzymes family, the carbonic anhydrase (CA), involved in the treatment of several common diseases. Different approaches have emerged to regulate the activity of CA, mostly acting on the inner catalytic active site or outer microenvironment of the enzyme, leading to inhibition or activation of CA. In recent years, gradually increased attention has focused on the adoption of constitutional dynamic chemistry (CDC) strategies for the screening and discovery of potent inhibitors or activators. The participation of reversible covalent bonds enabled the enzyme itself to select the optimal ligands obtained from diverse building blocks with comparatively higher degree of variety, resulting in the fittest recognition of enzyme ligands from complex dynamic systems. With the increasing implementation of CDC for enzyme targets, it shows great potential for drug discovery or CO2 capture applications.
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Affiliation(s)
- Dandan Su
- Institut Europeen des Membranes, Adaptive Supramolecular Nanosystems Group, University of Montpellier, ENSCM-CNRS, Place E. Bataillon CC047, 34095, Montpellier, France
- Institut des Biomolécules Max Mousseron (IBMM), CNRS, Université de Montpellier, ENSCM, Montpellier, France
| | - Yan Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, P. R. China
| | - Sébastien Ulrich
- Institut des Biomolécules Max Mousseron (IBMM), CNRS, Université de Montpellier, ENSCM, Montpellier, France
| | - Mihail Barboiu
- Institut Europeen des Membranes, Adaptive Supramolecular Nanosystems Group, University of Montpellier, ENSCM-CNRS, Place E. Bataillon CC047, 34095, Montpellier, France
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14
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Nocentini A, Angeli A, Carta F, Winum JY, Zalubovskis R, Carradori S, Capasso C, Donald WA, Supuran CT. Reconsidering anion inhibitors in the general context of drug design studies of modulators of activity of the classical enzyme carbonic anhydrase. J Enzyme Inhib Med Chem 2021; 36:561-580. [PMID: 33615947 PMCID: PMC7901698 DOI: 10.1080/14756366.2021.1882453] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Inorganic anions inhibit the metalloenzyme carbonic anhydrase (CA, EC 4.2.1.1) generally by coordinating to the active site metal ion. Cyanate was reported as a non-coordinating CA inhibitor but those erroneous results were subsequently corrected by another group. We review the anion CA inhibitors (CAIs) in the more general context of drug design studies and the discovery of a large number of inhibitor classes and inhibition mechanisms, including zinc binders (sulphonamides and isosteres, dithiocabamates and isosteres, thiols, selenols, benzoxaboroles, ninhydrins, etc.); inhibitors anchoring to the zinc-coordinated water molecule (phenols, polyamines, sulfocoumarins, thioxocoumarins, catechols); CAIs occluding the entrance to the active site (coumarins and derivatives, lacosamide), as well as compounds that bind outside the active site. All these new chemotypes integrated with a general procedure for obtaining isoform-selective compounds (the tail approach) has resulted, through the guidance of rigorous X-ray crystallography experiments, in the development of highly selective CAIs for all human CA isoforms with many pharmacological applications.
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Affiliation(s)
- Alessio Nocentini
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
| | - Andrea Angeli
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
| | - Fabrizio Carta
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
| | | | - Raivis Zalubovskis
- Latvian Institute of Organic Synthesis, Riga, Latvia.,Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Riga, Latvia
| | - Simone Carradori
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Clemente Capasso
- Institute of Biosciences and Bioresources, National Research Council, Napoli, Italy
| | - William A Donald
- School of Chemistry, University of New South Wales, Sydney, Australia
| | - Claudiu T Supuran
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
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15
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Meleddu R, Deplano S, Maccioni E, Ortuso F, Cottiglia F, Secci D, Onali A, Sanna E, Angeli A, Angius R, Alcaro S, Supuran CT, Distinto S. Selective inhibition of carbonic anhydrase IX and XII by coumarin and psoralen derivatives. J Enzyme Inhib Med Chem 2021; 36:685-692. [PMID: 33602041 PMCID: PMC7899656 DOI: 10.1080/14756366.2021.1887171] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
A small library of coumarin and their psoralen analogues EMAC10157a-b-d-g and EMAC10160a-b-d-g has been designed and synthesised to investigate the effect of structural modifications on their inhibition ability and selectivity profile towards carbonic anhydrase isoforms I, II, IX, and XII. None of the new compounds exhibited activity towards hCA I and II isozymes. Conversely, both coumarin and psoralen derivatives were active against tumour associated isoforms IX and XII in the low micromolar or nanomolar range of concentration. These data further corroborate our previous findings on analogous derivatives, confirming that both coumarins and psoralens are interesting scaffolds for the design of isozyme selective hCA inhibitors.
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Affiliation(s)
- Rita Meleddu
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Serenella Deplano
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Elias Maccioni
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Francesco Ortuso
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Catanzaro, Italy
| | - Filippo Cottiglia
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Daniela Secci
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Alessia Onali
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Erica Sanna
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
| | - Andrea Angeli
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Sesto Fiorentino, Italy
| | - Rossella Angius
- Laboratorio NMR e Tecnologie Bioanalitiche, Sardegna Ricerche, Pula, Italy
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Catanzaro, Italy
| | - Claudiu T Supuran
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Sesto Fiorentino, Italy
| | - Simona Distinto
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Italy
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16
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Alterio V, Langella E, Buonanno M, Esposito D, Nocentini A, Berrino E, Bua S, Polentarutti M, Supuran CT, Monti SM, De Simone G. Zeta-carbonic anhydrases show CS 2 hydrolase activity: A new metabolic carbon acquisition pathway in diatoms? Comput Struct Biotechnol J 2021; 19:3427-3436. [PMID: 34194668 PMCID: PMC8217695 DOI: 10.1016/j.csbj.2021.05.057] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/27/2021] [Accepted: 05/30/2021] [Indexed: 12/26/2022] Open
Abstract
CDCA1 is a carbonic anhydrase that can utilize Zn(II) or Cd(II) as catalytic metal. CDCA1 has been the first enzyme to show an efficient utilization of Cd(II) ions in Nature. By using a multidisciplinary approach, we discovered that CS2 is a substrate for this enzyme. CDCA1 is the unique enzyme, known so far, able to use both CS2 and CO2 as substrates.
CDCA1 is a very peculiar member of the Carbonic Anhydrase (CA) family. It has been the first enzyme to show an efficient utilization of Cd(II) ions in Nature and a unique adaptation capability to live on the surface ocean. Indeed, in this environment, which is extremely depleted in essential metal ions, CDCA1 can utilize Zn(II) or Cd(II) as catalytic metal to support the metabolic needs of fast growing diatoms. In this paper we demonstrate a further catalytic versatility of this enzyme by using a combination of X-ray crystallography, molecular dynamics simulations and enzymatic experiments. First we identified the CO2 binding site and the way in which this substrate travels from the environment to the enzyme active site. Then, starting from the observation of a structural similarity with the substrate entry route of CS2 hydrolase from Acidanius A1-3, we hypothesized and demonstrated that also CS2 is a substrate for CDCA1. This finding is new and unexpected since until now only few CS2 hydrolases have been characterized, and none of them is reported to have any CO2 hydratase action. The physiological implications of this supplementary catalytic activity still remain to be unveiled. We suggest here that it could represent another ability of diatoms expressing CDCA1 to adapt to the external environment. Indeed, the ability of this enzyme to convert CS2 could represent an alternative source of carbon acquisition for diatoms, in addition to CO2.
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Key Words
- AAZ, Acetazolamide
- CA, Carbonic Anhydrase
- CAI, Carbonic Anhydrase Inhibitor
- CCD, Charge Coupled Device
- CDCA1, Cadmium-specific Carbonic Anhydrase
- CO2
- CS2
- CS2H, S. solfataricus CS2 hydrolase
- Cambialistic enzyme
- Carbonic Anhydrase
- DMSO, Dimethyl Sulfoxide
- FbiCA, Flaveria bidentis Carbonic Anhydrase
- HEPES, 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
- IPTG, Isopropyl-β-D-1-thiogalactopyranoside
- MD, Molecular Dynamics
- Molecular dynamics
- NCS, Non-Crystallographic Symmetry
- PDB, Protein Data Bank
- PEG, Polyethylene glycol
- SDS-PAGE, Sodium Dodecyl Sulphate - PolyAcrylamide Gel Electrophoresis
- Tris-HCl, Tris(hydroxymethyl)aminomethane hydrochloride
- bCA, bovine Carbonic Anhydrase
- hCA, human Carbonic Anhydrase
- psCA3, Pseudomonas aeruginosa Carbonic Anhydrase 3
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Affiliation(s)
- Vincenzo Alterio
- Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy
| | - Emma Langella
- Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy
| | - Martina Buonanno
- Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy
| | - Davide Esposito
- Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy
| | - Alessio Nocentini
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Italy
| | - Emanuela Berrino
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Italy
| | - Silvia Bua
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Italy
| | - Maurizio Polentarutti
- Elettra - Sincrotrone Trieste, s.s. 14 Km 163.5 in Area Science Park, Basovizza (Trieste) 34149, Trieste, Italy
| | - Claudiu T Supuran
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Firenze, Via Ugo Schiff 6, 50019 Sesto Fiorentino, Italy
| | - Simona Maria Monti
- Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy
| | - Giuseppina De Simone
- Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy
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17
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Emerging role of carbonic anhydrase inhibitors. Clin Sci (Lond) 2021; 135:1233-1249. [PMID: 34013961 DOI: 10.1042/cs20210040] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 02/07/2023]
Abstract
Inhibition of carbonic anhydrase (CA, EC 4.2.1.1) was clinically exploited for decades, as most modern diuretics were obtained considering as lead molecule acetazolamide, the prototypical CA inhibitor (CAI). The discovery and characterization of multiple human CA (hCA) isoforms, 15 of which being known today, led to new applications of their inhibitors. They include widely clinically used antiglaucoma, antiepileptic and antiobesity agents, antitumor drugs in clinical development, as well as drugs for the management of acute mountain sickness and idiopathic intracranial hypertension (IIH). Emerging roles of several CA isoforms in areas not generally connected to these enzymes were recently documented, such as in neuropathic pain, cerebral ischemia, rheumatoid arthritis, oxidative stress and Alzheimer's disease. Proof-of-concept studies thus emerged by using isoform-selective inhibitors, which may lead to new clinical applications in such areas. Relevant preclinical models are available for these pathologies due to the availability of isoform-selective CAIs for all human isoforms, belonging to novel classes of compounds, such as coumarins, sulfocoumarins, dithiocarbamates, benzoxaboroles, apart the classical sulfonamide inhibitors. The inhibition of CAs from pathogenic bacteria, fungi, protozoans or nematodes started recently to be considered for obtaining anti-infectives with a new mechanism of action.
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18
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Avula SK, Rehman NU, Khan M, Halim SA, Khan A, Rafiq K, Csuk R, Das B, Al-Harrasi A. New synthetic 1H-1,2,3-triazole derivatives of 3-O-acetyl-β-boswellic acid and 3-O-acetyl-11-keto-β-boswellic acid from Boswellia sacra inhibit carbonic anhydrase II in vitro. Med Chem Res 2021. [DOI: 10.1007/s00044-021-02723-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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19
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Wassel MM, Ragab A, Elhag Ali GA, Mehany AB, Ammar YA. Novel adamantane-pyrazole and hydrazone hybridized: Design, synthesis, cytotoxic evaluation, SAR study and molecular docking simulation as carbonic anhydrase inhibitors. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.128966] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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20
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D’Ambrosio K, Di Fiore A, Buonanno M, Kumari S, Tiwari M, Supuran CT, Mishra CB, Monti SM, De Simone G. The crystal structures of 2-(4-benzhydrylpiperazin-1-yl)- N-(4-sulfamoylphenyl)acetamide in complex with human carbonic anhydrase II and VII provide insights into selective CA inhibitor development. NEW J CHEM 2021. [DOI: 10.1039/d0nj03544k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Our studies suggest that the acetamide linker and long tails are suitable structural features to design selective CA inhibitors.
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Affiliation(s)
| | - Anna Di Fiore
- Istituto di Biostrutture e Bioimmagini-CNR
- Napoli
- Italy
| | | | - Shikha Kumari
- Dr. B. R. Ambedkar Centre for Biomedical Research
- University of Delhi
- Delhi
- India
| | - Manisha Tiwari
- Dr. B. R. Ambedkar Centre for Biomedical Research
- University of Delhi
- Delhi
- India
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21
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Llanos MA, Sbaraglini ML, Villalba ML, Ruiz MD, Carrillo C, Alba Soto C, Talevi A, Angeli A, Parkkila S, Supuran CT, Gavernet L. A structure-based approach towards the identification of novel antichagasic compounds: Trypanosoma cruzi carbonic anhydrase inhibitors. J Enzyme Inhib Med Chem 2020; 35:21-30. [PMID: 31619095 PMCID: PMC6807911 DOI: 10.1080/14756366.2019.1677638] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 11/28/2022] Open
Abstract
Trypanosoma cruzi carbonic anhydrase (TcCA) has recently emerged as an interesting target for the design of new compounds to treat Chagas disease. In this study we report the results of a structure-based virtual screening campaign to identify novel and selective TcCA inhibitors. The combination of properly validated computational methodologies such as comparative modelling, molecular dynamics and docking simulations allowed us to find high potency hits, with KI values in the nanomolar range. The compounds also showed trypanocidal effects against T. cruzi epimastigotes and trypomastigotes. All the candidates are selective for inhibiting TcCA over the human isoform CA II, which is encouraging in terms of possible therapeutic safety and efficacy.
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Affiliation(s)
- Manuel A. Llanos
- Laboratory of Bioactive Research and Development (LIDeB), Medicinal Chemistry, Department of Biological Sciences, Faculty of Exact Sciences, National University of La Plata, Buenos Aires, Argentina
| | - María L. Sbaraglini
- Laboratory of Bioactive Research and Development (LIDeB), Medicinal Chemistry, Department of Biological Sciences, Faculty of Exact Sciences, National University of La Plata, Buenos Aires, Argentina
| | - María L. Villalba
- Laboratory of Bioactive Research and Development (LIDeB), Medicinal Chemistry, Department of Biological Sciences, Faculty of Exact Sciences, National University of La Plata, Buenos Aires, Argentina
| | - María D. Ruiz
- Instituto de Ciencias y Tecnología Dr. Cesar Milstein (ICT Milstein), Argentinean National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Carolina Carrillo
- Instituto de Ciencias y Tecnología Dr. Cesar Milstein (ICT Milstein), Argentinean National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Catalina Alba Soto
- Departamento de Microbiología, Parasitología e Inmunología, Facultad de Medicina, Universidad de Buenos Aires, Instituto de Investigaciones en Microbiología y Parasitología Médica (IMPaM), UBA-CONICET, Buenos Aires, Argentina
| | - Alan Talevi
- Laboratory of Bioactive Research and Development (LIDeB), Medicinal Chemistry, Department of Biological Sciences, Faculty of Exact Sciences, National University of La Plata, Buenos Aires, Argentina
| | - Andrea Angeli
- Neurofarba Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, Universita degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
| | - Seppo Parkkila
- Faculty of Medicine and Health Technology, University of Tampere, Tampere, Finland
| | - Claudiu T. Supuran
- Neurofarba Department, Sezione di Scienze Farmaceutiche e Nutraceutiche, Universita degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
| | - Luciana Gavernet
- Laboratory of Bioactive Research and Development (LIDeB), Medicinal Chemistry, Department of Biological Sciences, Faculty of Exact Sciences, National University of La Plata, Buenos Aires, Argentina
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22
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Kim JK, Lee C, Lim SW, Andring JT, Adhikari A, McKenna R, Kim CU. Structural insights into the effect of active-site mutation on the catalytic mechanism of carbonic anhydrase. IUCRJ 2020; 7:985-994. [PMID: 33209313 PMCID: PMC7642793 DOI: 10.1107/s2052252520011008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 08/11/2020] [Indexed: 05/26/2023]
Abstract
Enzymes are catalysts of biological processes. Significant insight into their catalytic mechanisms has been obtained by relating site-directed mutagenesis studies to kinetic activity assays. However, revealing the detailed relationship between structural modifications and functional changes remains challenging owing to the lack of information on reaction intermediates and of a systematic way of connecting them to the measured kinetic parameters. Here, a systematic approach to investigate the effect of an active-site-residue mutation on a model enzyme, human carbonic anhydrase II (CA II), is described. Firstly, structural analysis is performed on the crystallographic intermediate states of native CA II and its V143I variant. The structural comparison shows that the binding affinities and configurations of the substrate (CO2) and product (HCO3 -) are altered in the V143I variant and the water network in the water-replenishment pathway is restructured, while the proton-transfer pathway remains mostly unaffected. This structural information is then used to estimate the modifications of the reaction rate constants and the corresponding free-energy profiles of CA II catalysis. Finally, the obtained results are used to reveal the effect of the V143I mutation on the measured kinetic parameters (k cat and k cat/K m) at the atomic level. It is believed that the systematic approach outlined in this study may be used as a template to unravel the structure-function relationships of many other biologically important enzymes.
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Affiliation(s)
- Jin Kyun Kim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Cheol Lee
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Seon Woo Lim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jacob T. Andring
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32610, USA
| | - Aniruddha Adhikari
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32610, USA
| | - Chae Un Kim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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23
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Manyumwa CV, Emameh RZ, Tastan Bishop Ö. Alpha-Carbonic Anhydrases from Hydrothermal Vent Sources as Potential Carbon Dioxide Sequestration Agents: In Silico Sequence, Structure and Dynamics Analyses. Int J Mol Sci 2020; 21:E8066. [PMID: 33138066 PMCID: PMC7662607 DOI: 10.3390/ijms21218066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 12/27/2022] Open
Abstract
With the increase in CO2 emissions worldwide and its dire effects, there is a need to reduce CO2 concentrations in the atmosphere. Alpha-carbonic anhydrases (α-CAs) have been identified as suitable sequestration agents. This study reports the sequence and structural analysis of 15 α-CAs from bacteria, originating from hydrothermal vent systems. Structural analysis of the multimers enabled the identification of hotspot and interface residues. Molecular dynamics simulations of the homo-multimers were performed at 300 K, 363 K, 393 K and 423 K to unearth potentially thermostable α-CAs. Average betweenness centrality (BC) calculations confirmed the relevance of some hotspot and interface residues. The key residues responsible for dimer thermostability were identified by comparing fluctuating interfaces with stable ones, and were part of conserved motifs. Crucial long-lived hydrogen bond networks were observed around residues with high BC values. Dynamic cross correlation fortified the relevance of oligomerization of these proteins, thus the importance of simulating them in their multimeric forms. A consensus of the simulation analyses used in this study suggested high thermostability for the α-CA from Nitratiruptor tergarcus. Overall, our novel findings enhance the potential of biotechnology applications through the discovery of alternative thermostable CO2 sequestration agents and their potential protein design.
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Affiliation(s)
- Colleen Varaidzo Manyumwa
- Research Unit in Bioinformatics (RUBi), Department of Biochemistry and Microbiology, Rhodes University, Makhanda/Grahamstown 6140, South Africa;
| | - Reza Zolfaghari Emameh
- Department of Energy and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran 14965/161, Iran;
| | - Özlem Tastan Bishop
- Research Unit in Bioinformatics (RUBi), Department of Biochemistry and Microbiology, Rhodes University, Makhanda/Grahamstown 6140, South Africa;
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24
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Cabaleiro-Lago C, Lundqvist M. The Effect of Nanoparticles on the Structure and Enzymatic Activity of Human Carbonic Anhydrase I and II. Molecules 2020; 25:E4405. [PMID: 32992797 PMCID: PMC7582742 DOI: 10.3390/molecules25194405] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/14/2020] [Accepted: 09/18/2020] [Indexed: 11/24/2022] Open
Abstract
Human carbonic anhydrases (hCAs) belong to a well characterized group of metalloenzymes that catalyze the conversion of carbonic dioxide into bicarbonate. There are currently 15 known human isoforms of carbonic anhydrase with different functions and distribution in the body. This links to the relevance of hCA variants to several diseases such as glaucoma, epilepsy, mountain sickness, ulcers, osteoporosis, obesity and cancer. This review will focus on two of the human isoforms, hCA I and hCA II. Both are cytosolic enzymes with similar topology and 60% sequence homology but different catalytic efficiency and stability. Proteins in general adsorb on surfaces and this is also the case for hCA I and hCA II. The adsorption process can lead to alteration of the original function of the protein. However, if the function is preserved interesting biotechnological applications can be developed. This review will cover the knowledge about the interaction between hCAs and nanomaterials. We will highlight how the interaction may lead to conformational changes that render the enzyme inactive. Moreover, the importance of different factors on the final effect on hCAs, such as protein stability, protein hydrophobic or charged patches and chemistry of the nanoparticle surface will be discussed.
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Affiliation(s)
- Celia Cabaleiro-Lago
- Department of Environmental Science and Bioscience, Kristianstad University, 29188 Kristianstad, Sweden;
| | - Martin Lundqvist
- Department of Biochemistry and Structural Biology, Lund University, 22100 Lund, Sweden
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25
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Kim JK, Lee C, Lim SW, Adhikari A, Andring JT, McKenna R, Ghim CM, Kim CU. Elucidating the role of metal ions in carbonic anhydrase catalysis. Nat Commun 2020; 11:4557. [PMID: 32917908 PMCID: PMC7486293 DOI: 10.1038/s41467-020-18425-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 08/20/2020] [Indexed: 01/07/2023] Open
Abstract
Why metalloenzymes often show dramatic changes in their catalytic activity when subjected to chemically similar but non-native metal substitutions is a long-standing puzzle. Here, we report on the catalytic roles of metal ions in a model metalloenzyme system, human carbonic anhydrase II (CA II). Through a comparative study on the intermediate states of the zinc-bound native CA II and non-native metal-substituted CA IIs, we demonstrate that the characteristic metal ion coordination geometries (tetrahedral for Zn2+, tetrahedral to octahedral conversion for Co2+, octahedral for Ni2+, and trigonal bipyramidal for Cu2+) directly modulate the catalytic efficacy. In addition, we reveal that the metal ions have a long-range (~10 Å) electrostatic effect on restructuring water network in the active site. Our study provides evidence that the metal ions in metalloenzymes have a crucial impact on the catalytic mechanism beyond their primary chemical properties.
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Affiliation(s)
- Jin Kyun Kim
- grid.42687.3f0000 0004 0381 814XDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
| | - Cheol Lee
- grid.42687.3f0000 0004 0381 814XDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
| | - Seon Woo Lim
- grid.42687.3f0000 0004 0381 814XDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
| | - Aniruddha Adhikari
- grid.42687.3f0000 0004 0381 814XDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
| | - Jacob T. Andring
- grid.15276.370000 0004 1936 8091Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610 USA
| | - Robert McKenna
- grid.15276.370000 0004 1936 8091Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610 USA
| | - Cheol-Min Ghim
- grid.42687.3f0000 0004 0381 814XDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
| | - Chae Un Kim
- grid.42687.3f0000 0004 0381 814XDepartment of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
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26
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Mishra CB, Tiwari M, Supuran CT. Progress in the development of human carbonic anhydrase inhibitors and their pharmacological applications: Where are we today? Med Res Rev 2020; 40:2485-2565. [PMID: 32691504 DOI: 10.1002/med.21713] [Citation(s) in RCA: 134] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 06/14/2020] [Accepted: 07/03/2020] [Indexed: 12/21/2022]
Abstract
Carbonic anhydrases (CAs, EC 4.2.1.1) are widely distributed metalloenzymes in both prokaryotes and eukaryotes. They efficiently catalyze the reversible hydration of carbon dioxide to bicarbonate and H+ ions and play a crucial role in regulating many physiological processes. CAs are well-studied drug target for various disorders such as glaucoma, epilepsy, sleep apnea, and high altitude sickness. In the past decades, a large category of diverse families of CA inhibitors (CAIs) have been developed and many of them showed effective inhibition toward specific isoforms, and effectiveness in pathological conditions in preclinical and clinical settings. The discovery of isoform-selective CAIs in the last decade led to diminished side effects associated with off-target isoforms inhibition. The many new classes of such compounds will be discussed in the review, together with strategies for their development. Pharmacological advances of the newly emerged CAIs in diseases not usually associated with CA inhibition (neuropathic pain, arthritis, cerebral ischemia, and cancer) will also be discussed.
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Affiliation(s)
- Chandra B Mishra
- Department of Bioorganic Chemistry, Dr. B. R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi, India.,Department of Pharmaceutical Chemistry, College of Pharmacy, Sookmyung Women's University, Seoul, South Korea
| | - Manisha Tiwari
- Department of Bioorganic Chemistry, Dr. B. R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi, India
| | - Claudiu T Supuran
- Dipartimento Neurofarba, Sezione di Scienze Farmaceutiche e Nutraceutiche, Università degli Studi di Firenze, Florence, Italy
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27
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Jin S, Vullo D, Bua S, Nocentini A, Supuran CT, Gao YG. Structural and biochemical characterization of novel carbonic anhydrases from Phaeodactylum tricornutum. ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY 2020; 76:676-686. [PMID: 32627740 DOI: 10.1107/s2059798320007202] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 05/28/2020] [Indexed: 01/08/2023]
Abstract
Carbonic anhydrases (CAs) are a well characterized family of metalloenzymes that are highly efficient in facilitating the interconversion between carbon dioxide and bicarbonate. Recently, CA activity has been associated with the LCIB (limiting CO2-inducible protein B) protein family, which has been an interesting target in aquatic photosynthetic microorganisms. To gain further insight into the catalytic mechanism of this new group of CAs, the X-ray structure of a highly active LCIB homolog (PtLCIB3) from the diatom Phaeodactylum tricornutum was determined. The CA activities of PtLCIB3, its paralog PtLCIB4 and a variety of their mutants were also measured. It was discovered that PtLCIB3 has a classic β-CA fold and its overall structure is highly similar to that of its homolog PtLCIB4. Subtle structural alterations between PtLCIB3 and PtLCIB4 indicate that an alternative proton-shuttle cavity could perhaps be one reason for their remarkable difference in CA activity. A potential alternative proton-shuttle route in the LCIB protein family is suggested based on these results.
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Affiliation(s)
- Shengyang Jin
- School of Biological Science, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Daniela Vullo
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Firenze, Italy
| | - Silvia Bua
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Firenze, Italy
| | - Alessio Nocentini
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Firenze, Italy
| | - Claudiu T Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Firenze, Italy
| | - Yong Gui Gao
- School of Biological Science, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
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28
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Paul TK, Taraphder S. Coordination Dynamics of Zinc Triggers the Rate Determining Proton Transfer in Human Carbonic Anhydrase II. Chemphyschem 2020; 21:1455-1473. [DOI: 10.1002/cphc.202000177] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/17/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Tanmoy Kumar Paul
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 India
| | - Srabani Taraphder
- Department of Chemistry Indian Institute of Technology Kharagpur 721302 India
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29
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Meleddu R, Distinto S, Cottiglia F, Angius R, Caboni P, Angeli A, Melis C, Deplano S, Alcaro S, Ortuso F, Supuran CT, Maccioni E. New Dihydrothiazole Benzensulfonamides: Looking for Selectivity toward Carbonic Anhydrase Isoforms I, II, IX, and XII. ACS Med Chem Lett 2020; 11:852-856. [PMID: 32435395 DOI: 10.1021/acsmedchemlett.9b00644] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/13/2020] [Indexed: 12/20/2022] Open
Abstract
In the present study we investigated the structure-activity relationships of a new series of 4-[(3-ethyl-4-aryl-2,3-dihydro-1,3-thiazol-2-ylidene)amino]benzene-1-sulfonamides (EMAC10101a-m). All synthesized compounds, with the exception of compound EMAC10101k, preferentially inhibit off-target hCA II isoform. Within the series, compound EMAC10101d, bearing a 2,4-dichorophenyl substituent in position 4 of the dihydrothiazole ring, was the most potent and selective toward hCA II with an inhibitory activity in the low nanomolar range.
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Affiliation(s)
- Rita Meleddu
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Simona Distinto
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Filippo Cottiglia
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Rossella Angius
- Laboratorio NMR e Tecnologie Bioanalitiche, Sardegna Ricerche, 09010 Pula, CA, Italy
| | - Pierluigi Caboni
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Andrea Angeli
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Sesto Fiorentino, 50139 Florence, Italy
| | - Claudia Melis
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Serenella Deplano
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Campus “S. Venuta”, Viale Europa, 88100 Catanzaro, Italy
| | - Francesco Ortuso
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro, Campus “S. Venuta”, Viale Europa, 88100 Catanzaro, Italy
| | - Claudiu T. Supuran
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze, Sesto Fiorentino, 50139 Florence, Italy
| | - Elias Maccioni
- Department of Life and Environmental Sciences, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
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30
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Andring J, Combs J, McKenna R. Aspirin: A Suicide Inhibitor of Carbonic Anhydrase II. Biomolecules 2020; 10:biom10040527. [PMID: 32244293 PMCID: PMC7226357 DOI: 10.3390/biom10040527] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 03/25/2020] [Accepted: 03/30/2020] [Indexed: 12/31/2022] Open
Abstract
Carbonic anhydrase II (CAII) is a metalloenzyme that catalyzes the reversible hydration/dehydration of CO2/HCO3−. In addition, CAII is attributed to other catalytic reactions, including esterase activity. Aspirin (acetyl-salicylic acid), an everyday over-the-counter drug, has both ester and carboxylic acid moieties. Recently, compounds with a carboxylic acid group have been shown to inhibit CAII. Hence, we hypothesized that Aspirin could act as a substrate for esterase activity, and the product salicylic acid (SA), an inhibitor of CAII. Here, we present the crystal structure of CAII in complex with SA, a product of CAII crystals pre-soaked with Aspirin, to 1.35Å resolution. In addition, we provide kinetic data to support the observation that CAII converts Aspirin to its deacetylated form, SA. This data may also explain the short half-life of Aspirin, with CAII so abundant in blood, and that Aspirin could act as a suicide inhibitor of CAII.
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31
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Andring JT, Kim CU, McKenna R. Structure and mechanism of copper-carbonic anhydrase II: a nitrite reductase. IUCRJ 2020; 7:287-293. [PMID: 32148856 PMCID: PMC7055381 DOI: 10.1107/s2052252520000986] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/24/2020] [Indexed: 05/06/2023]
Abstract
Nitric oxide (NO) promotes vasodilation through the activation of guanylate cyclase, resulting in the relaxation of the smooth muscle vasculature and a subsequent decrease in blood pressure. Therefore, its regulation is of interest for the treatment and prevention of heart disease. An example is pulmonary hypertension which is treated by targeting this NO/vasodilation pathway. In bacteria, plants and fungi, nitrite (NO2 -) is utilized as a source of NO through enzymes known as nitrite reductases. These enzymes reduce NO2 - to NO through a catalytic metal ion, often copper. Recently, several studies have shown nitrite reductase activity of mammalian carbonic anhydrase II (CAII), yet the molecular basis for this activity is unknown. Here we report the crystal structure of copper-bound human CAII (Cu-CAII) in complex with NO2 - at 1.2 Å resolution. The structure exhibits Type 1 (T-1) and 2 (T-2) copper centers, analogous to bacterial nitrite reductases, both required for catalysis. The copper-substituted CAII active site is penta-coordinated with a 'side-on' bound NO2 -, resembling a T-2 center. At the N terminus, several residues that are normally disordered form a porphyrin ring-like configuration surrounding a second copper, acting as a T-1 center. A structural comparison with both apo- (without metal) and zinc-bound CAII (Zn-CAII) provides a mechanistic picture of how, in the presence of copper, CAII, with minimal conformational changes, can function as a nitrite reductase.
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Affiliation(s)
- Jacob T. Andring
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610 USA
| | - Chae Un Kim
- Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610 USA
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32
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Abdel-Mohsen HT, El Kerdawy AM, Omar MA, Berrino E, Abdelsamie AS, El Diwani HI, Supuran CT. New thiopyrimidine-benzenesulfonamide conjugates as selective carbonic anhydrase II inhibitors: synthesis, in vitro biological evaluation, and molecular docking studies. Bioorg Med Chem 2020; 28:115329. [PMID: 32007388 DOI: 10.1016/j.bmc.2020.115329] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 12/04/2019] [Accepted: 01/14/2020] [Indexed: 12/13/2022]
Abstract
In the present work, a new series of thiopyrimidine-benzenesulfonamide conjugates was designed, synthesized and tested as carbonic anhydrase (CA, EC 4.2.1.1) inhibitors. Our design strategy was based on the molecular hybridization of the benzenesulfonamide moiety as a zinc binding group (ZBG), an alkylated thiopyrimidine moiety as a spacer and (un)substituted phenyl moieties with various electronic and hydrophobic environments as a tail. The designed and synthesized compounds were evaluated against four human (h) CA isoforms hCA I, hCA II, hCA IX and hCA XII. Series 6 showed promising activity and selectivity toward the cytosolic isoforms hCA I and hCA II versus the membrane bound isoforms hCA IX and hCA XII. Compounds 6e and 6f showed Ki of 0.04 µM against hCA II with a selectivity of 15.8- to 980-fold towards hCA II over hCA I, hCA IX, hCA XII isoforms. Molecular docking in the hCA II active site attributed the promising inhibitory activity of series 6 to the interaction of their sulfonamide moiety with the active site Zn2+ ion as well as its hydrogen bonding with the key amino acids Thr199 and Thr200. Through hydrophobic interaction, the benzenesulfonamide and the thiopyrimidine moieties interact with the hydrophobic side chains of the amino acids Val121/Leu198 and Ile91/Phe131, respectively. These results indicated that the designed and synthesized series is an interesting scaffold that can be further optimized for the development of selective antiglaucoma drugs.
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Affiliation(s)
- Heba T Abdel-Mohsen
- Department of Chemistry of Natural and Microbial Products, Division of Pharmaceutical and Drug Industries Research, National Research Centre, El-Buhouth St., Dokki, P.O. Box 12622, Cairo, Egypt.
| | - Ahmed M El Kerdawy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, P.O. Box 11562, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, New Giza University, New Giza, Km 22 Cairo-Alexandria Desert Road, Cairo, Egypt
| | - Mohamed A Omar
- Department of Chemistry of Natural and Microbial Products, Division of Pharmaceutical and Drug Industries Research, National Research Centre, El-Buhouth St., Dokki, P.O. Box 12622, Cairo, Egypt
| | - Emanuela Berrino
- Università degli Studi di Firenze, Department NEUROFARBA - Pharmaceutical and Nutraceutical Section, University of Firenze, Via Ugo Schiff 6, I-50019, Sesto Fiorentino, Firenze, Italy
| | - Ahmed S Abdelsamie
- Department of Chemistry of Natural and Microbial Products, Division of Pharmaceutical and Drug Industries Research, National Research Centre, El-Buhouth St., Dokki, P.O. Box 12622, Cairo, Egypt; Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), Department of Drug Design and Optimization, Campus Building E8.1, 66123 Saarbrücken, Germany
| | - Hoda I El Diwani
- Department of Chemistry of Natural and Microbial Products, Division of Pharmaceutical and Drug Industries Research, National Research Centre, El-Buhouth St., Dokki, P.O. Box 12622, Cairo, Egypt
| | - Claudiu T Supuran
- Università degli Studi di Firenze, Department NEUROFARBA - Pharmaceutical and Nutraceutical Section, University of Firenze, Via Ugo Schiff 6, I-50019, Sesto Fiorentino, Firenze, Italy.
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33
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Effect of disease-linked mutations on the structure, function, stability and aggregation of human carbonic anhydrase II. Int J Biol Macromol 2020; 143:472-482. [DOI: 10.1016/j.ijbiomac.2019.11.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/29/2019] [Accepted: 11/04/2019] [Indexed: 11/15/2022]
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34
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Combs JE, Andring JT, McKenna R. Neutron crystallographic studies of carbonic anhydrase. Methods Enzymol 2020; 634:281-309. [DOI: 10.1016/bs.mie.2020.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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35
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Sanyanga TA, Nizami B, Bishop ÖT. Mechanism of Action of Non-Synonymous Single Nucleotide Variations Associated with α-Carbonic Anhydrase II Deficiency. Molecules 2019; 24:E3987. [PMID: 31690045 PMCID: PMC6864701 DOI: 10.3390/molecules24213987] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 10/18/2019] [Accepted: 10/24/2019] [Indexed: 12/12/2022] Open
Abstract
Human carbonic anhydrase II (CA-II) is a Zinc (Zn 2 + ) metalloenzyme responsible for maintenance of acid-base balance within the body through the reversible hydration of CO 2 to produce protons (H + ) and bicarbonate (BCT). Due to its importance, alterations to the amino acid sequence of the protein as a result of single nucleotide variations (nsSNVs) have detrimental effects on homeostasis. Six pathogenic CA-II nsSNVs, K18E, K18Q, H107Y, P236H, P236R and N252D were identified, and variant protein models calculated using homology modeling. The effect of each nsSNV was analyzed using motif analysis, molecular dynamics (MD) simulations, principal component (PCA) and dynamic residue network (DRN) analysis. Motif analysis identified 11 functionally important motifs in CA-II. RMSD data indicated subtle SNV effects, while PCA analysis revealed that the presence of BCT results in greater conformational sampling and free energy in proteins. DRN analysis showed variant allosteric effects, and the average betweenness centrality (BC) calculations identified Glu117 as the most important residue for communication in CA-II. The presence of BCT was associated with a reduction to Glu117 usage in all variants, suggesting implications for Zn 2 + dissociation from the CA-II active site. In addition, reductions to Glu117 usage are associated with increases in the usage of the primary and secondary Zn 2 + ligands; His94, His96, His119 and Asn243 highlighting potential compensatory mechanisms to maintain Zn 2 + within the active site. Compared to traditional MD simulation investigation, DRN analysis provided greater insights into SNV mechanism of action, indicating its importance for the study of missense mutation effects in proteins and, in broader terms, precision medicine related research.
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Affiliation(s)
- Taremekedzwa Allan Sanyanga
- Research Unit in Bioinformatics (RUBi), Department of Biochemistry and Microbiology, Rhodes University, Grahamstown 6140, South Africa.
| | - Bilal Nizami
- Research Unit in Bioinformatics (RUBi), Department of Biochemistry and Microbiology, Rhodes University, Grahamstown 6140, South Africa.
- Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences of the Hungarian Academy of Sciences, Magyar tudósok körútja 2, 1117 Budapest, Hungary.
| | - Özlem Tastan Bishop
- Research Unit in Bioinformatics (RUBi), Department of Biochemistry and Microbiology, Rhodes University, Grahamstown 6140, South Africa.
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36
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Singh H, Vasa SK, Jangra H, Rovó P, Päslack C, Das CK, Zipse H, Schäfer LV, Linser R. Fast Microsecond Dynamics of the Protein–Water Network in the Active Site of Human Carbonic Anhydrase II Studied by Solid-State NMR Spectroscopy. J Am Chem Soc 2019; 141:19276-19288. [DOI: 10.1021/jacs.9b05311] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Himanshu Singh
- Faculty of Chemistry and Chemical Biology, Technical University Dortmund, Otto-Hahn-Straße 4a, 44227 Dortmund, Germany
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Suresh K. Vasa
- Faculty of Chemistry and Chemical Biology, Technical University Dortmund, Otto-Hahn-Straße 4a, 44227 Dortmund, Germany
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Harish Jangra
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Petra Rovó
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Christopher Päslack
- Theoretical Chemistry, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - Chandan K. Das
- Theoretical Chemistry, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - Hendrik Zipse
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Lars V. Schäfer
- Theoretical Chemistry, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - Rasmus Linser
- Faculty of Chemistry and Chemical Biology, Technical University Dortmund, Otto-Hahn-Straße 4a, 44227 Dortmund, Germany
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstraße 5-13, 81377 Munich, Germany
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Distinto S, Meleddu R, Ortuso F, Cottiglia F, Deplano S, Sequeira L, Melis C, Fois B, Angeli A, Capasso C, Angius R, Alcaro S, Supuran CT, Maccioni E. Exploring new structural features of the 4-[(3-methyl-4-aryl-2,3-dihydro-1,3-thiazol-2-ylidene)amino]benzenesulphonamide scaffold for the inhibition of human carbonic anhydrases. J Enzyme Inhib Med Chem 2019; 34:1526-1533. [PMID: 31431095 PMCID: PMC6713091 DOI: 10.1080/14756366.2019.1654470] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A library of 4-[(3-methyl-4-aryl-2,3-dihydro-1,3-thiazol-2-ylidene)amino]benzene-1-sulphonamides (EMAC8002a–m) was designed and synthesised to evaluate the effect of substituents in the positions 3 and 4 of the dihydrothiazole ring on the inhibitory potency and selectivity toward human carbonic anhydrase isoforms I, II, IX, and XII. Most of the new compounds preferentially inhibit the isoforms II and XII. Both electronic and steric features on the aryl substituent in the position 4 of the dihydrothiazole ring concur to determine the overall biological activity of these new derivatives.
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Affiliation(s)
- Simona Distinto
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Rita Meleddu
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Francesco Ortuso
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro , Catanzaro , Italy
| | - Filippo Cottiglia
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Serenella Deplano
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Lisa Sequeira
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Claudia Melis
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Benedetta Fois
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
| | - Andrea Angeli
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze , Sesto Fiorentino , Italy
| | | | | | - Stefano Alcaro
- Dipartimento di Scienze della Salute, Università Magna Graecia di Catanzaro , Catanzaro , Italy
| | - Claudiu T Supuran
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università degli Studi di Firenze , Sesto Fiorentino , Italy
| | - Elias Maccioni
- Department of Life and Environmental Sciences, University of Cagliari , Cagliari , Italy
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38
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Thermodynamic, kinetic, and structural parameterization of human carbonic anhydrase interactions toward enhanced inhibitor design. Q Rev Biophys 2019; 51:e10. [PMID: 30912486 DOI: 10.1017/s0033583518000082] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim of rational drug design is to develop small molecules using a quantitative approach to optimize affinity. This should enhance the development of chemical compounds that would specifically, selectively, reversibly, and with high affinity interact with a target protein. It is not yet possible to develop such compounds using computational (i.e., in silico) approach and instead the lead molecules are discovered in high-throughput screening searches of large compound libraries. The main reason why in silico methods are not capable to deliver is our poor understanding of the compound structure-thermodynamics and structure-kinetics correlations. There is a need for databases of intrinsic binding parameters (e.g., the change upon binding in standard Gibbs energy (ΔGint), enthalpy (ΔHint), entropy (ΔSint), volume (ΔVintr), heat capacity (ΔCp,int), association rate (ka,int), and dissociation rate (kd,int)) between a series of closely related proteins and a chemically diverse, but pharmacophoric group-guided library of compounds together with the co-crystal structures that could help explain the structure-energetics correlations and rationally design novel compounds. Assembly of these data will facilitate attempts to provide correlations and train data for modeling of compound binding. Here, we report large datasets of the intrinsic thermodynamic and kinetic data including over 400 primary sulfonamide compound binding to a family of 12 catalytically active human carbonic anhydrases (CA). Thermodynamic parameters have been determined by the fluorescent thermal shift assay, isothermal titration calorimetry, and by the stopped-flow assay of the inhibition of enzymatic activity. Kinetic measurements were performed using surface plasmon resonance. Intrinsic thermodynamic and kinetic parameters of binding were determined by dissecting the binding-linked protonation reactions of the protein and sulfonamide. The compound structure-thermodynamics and kinetics correlations reported here helped to discover compounds that exhibited picomolar affinities, hour-long residence times, and million-fold selectivities over non-target CA isoforms. Drug-lead compounds are suggested for anticancer target CA IX and CA XII, antiglaucoma CA IV, antiobesity CA VA and CA VB, and other isoforms. Together with 85 X-ray crystallographic structures of 60 compounds bound to six CA isoforms, the database should be of help to continue developing the principles of rational target-based drug design.
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Nocentini A, Supuran CT. Advances in the structural annotation of human carbonic anhydrases and impact on future drug discovery. Expert Opin Drug Discov 2019; 14:1175-1197. [DOI: 10.1080/17460441.2019.1651289] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Alessio Nocentini
- Department of Neuroscience, Psychology, Drug Research and Child’s Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Florence, Italy
| | - Claudiu T. Supuran
- Department of Neuroscience, Psychology, Drug Research and Child’s Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Florence, Italy
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Costa G, Carta F, Ambrosio FA, Artese A, Ortuso F, Moraca F, Rocca R, Romeo I, Lupia A, Maruca A, Bagetta D, Catalano R, Vullo D, Alcaro S, Supuran CT. A computer-assisted discovery of novel potential anti-obesity compounds as selective carbonic anhydrase VA inhibitors. Eur J Med Chem 2019; 181:111565. [PMID: 31387062 DOI: 10.1016/j.ejmech.2019.111565] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/25/2019] [Accepted: 07/26/2019] [Indexed: 11/25/2022]
Abstract
The human Carbonic anhydrases (hCA) VA and VB play a key role in ureagenesis, gluconeogenesis, lipogenesis and in the metabolism regulation, thus representing highly popular drug targets. Albeit several hCA inhibitors have been designed and are currently in clinical use, serious drug interactions have been reported due to their poor selectivity. In this perspective, the drug repurposing approach could be a useful tool in order to investigate the drug promiscuity/polypharmacology profile. In this study, virtual screening techniques and in vitro assays were combined to identify novel selective hCA VA inhibitors from among around 94000 compounds. The docking analysis highlighted 12 promising best hits, biologically characterized in terms of their hCA VA inhibitory activity. Interestingly, among them, the anticancer agents fludarabine and lenvatinib and the antiepileptic rufinamide were able to selectively inhibit the enzyme activity in the micromolar range, while a pyrido-indole derivative, the homovanillic acid sulfate and the desacetyl metabolite of the antibacterial cephapirin in the nanomolar range.
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Affiliation(s)
- Giosuè Costa
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Fabrizio Carta
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università; degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
| | - Francesca Alessandra Ambrosio
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Anna Artese
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy.
| | - Francesco Ortuso
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Federica Moraca
- Department of Pharmacy, University "Federico II" of Naples, Via D. Montesano, 49 I-80131, Naples, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Roberta Rocca
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Department of Experimental and Clinical Medicine, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Isabella Romeo
- Dipartimento di Chimica e Tecnologie chimiche, Università della Calabria, Via Pietro Bucci, 87036, Arcavacata di Rende, Cosenza, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Antonio Lupia
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Annalisa Maruca
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Donatella Bagetta
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Raffaella Catalano
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Daniela Vullo
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università; degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy; Net4Science Academic Spin-Off, "Magna Græcia" University of Catanzaro, Campus "S. Venuta", Viale Europa, Germaneto, 88100, Catanzaro, Italy
| | - Claudiu T Supuran
- Dipartimento NEUROFARBA, Sezione di Scienze Farmaceutiche, Università; degli Studi di Firenze, Sesto Fiorentino, Florence, Italy
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41
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Wang Y, Guo H, Tang G, He Q, Zhang Y, Hu Y, Wang Y, Lin Z. A selectivity study of benzenesulfonamide derivatives on human carbonic anhydrase II/IX by 3D-QSAR, Molecular Docking and Molecular Dynamics Simulation. Comput Biol Chem 2019; 80:234-243. [DOI: 10.1016/j.compbiolchem.2019.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 02/14/2019] [Accepted: 03/12/2019] [Indexed: 10/27/2022]
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42
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Koruza K, Mahon BP, Blakeley MP, Ostermann A, Schrader TE, McKenna R, Knecht W, Fisher SZ. Using neutron crystallography to elucidate the basis of selective inhibition of carbonic anhydrase by saccharin and a derivative. J Struct Biol 2019; 205:147-154. [DOI: 10.1016/j.jsb.2018.12.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/30/2018] [Accepted: 12/21/2018] [Indexed: 11/25/2022]
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Rains JGD, O’Donnelly K, Oliver T, Woscholski R, Long NJ, Barter LMC. Bicarbonate Inhibition of Carbonic Anhydrase Mimics Hinders Catalytic Efficiency: Elucidating the Mechanism and Gaining Insight toward Improving Speed and Efficiency. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04077] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jonathan G. D. Rains
- Institute of Chemical Biology, Department of Chemistry, Imperial College, Molecular Science Research Hub, White City Campus, London W12 0BZ, United Kingdom
| | - Kerry O’Donnelly
- Institute of Chemical Biology, Department of Chemistry, Imperial College, Molecular Science Research Hub, White City Campus, London W12 0BZ, United Kingdom
| | - Thomas Oliver
- Institute of Chemical Biology, Department of Chemistry, Imperial College, Molecular Science Research Hub, White City Campus, London W12 0BZ, United Kingdom
| | - Rudiger Woscholski
- Institute of Chemical Biology, Department of Chemistry, Imperial College, Molecular Science Research Hub, White City Campus, London W12 0BZ, United Kingdom
| | - Nicholas J. Long
- Institute of Chemical Biology, Department of Chemistry, Imperial College, Molecular Science Research Hub, White City Campus, London W12 0BZ, United Kingdom
| | - Laura M. C. Barter
- Institute of Chemical Biology, Department of Chemistry, Imperial College, Molecular Science Research Hub, White City Campus, London W12 0BZ, United Kingdom
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44
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Lomelino CL, Andring JT, McKenna R. Crystallography and Its Impact on Carbonic Anhydrase Research. INTERNATIONAL JOURNAL OF MEDICINAL CHEMISTRY 2018; 2018:9419521. [PMID: 30302289 PMCID: PMC6158936 DOI: 10.1155/2018/9419521] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 08/16/2018] [Indexed: 12/20/2022]
Abstract
X-ray and neutron crystallography are powerful techniques utilized to study the structures of biomolecules. Visualization of enzymes in complex with substrate/product and the capture of intermediate states can be related to activity to facilitate understanding of the catalytic mechanism. Subsequent analysis of small molecule binding within the enzyme active site provides insight into mechanisms of inhibition, supporting the design of novel inhibitors using a structure-guided approach. The first X-ray crystal structures were determined for small, ubiquitous enzymes such as carbonic anhydrase (CA). CAs are a family of zinc metalloenzymes that catalyze the hydration of CO2, producing HCO3 - and a proton. The CA structure and ping-pong mechanism have been extensively studied and are well understood. Though the function of CA plays an important role in a variety of physiological functions, CA has also been associated with diseases such as glaucoma, edema, epilepsy, obesity, and cancer and is therefore recognized as a drug target. In this review, a brief history of crystallography and its impact on CA research is discussed.
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Affiliation(s)
- Carrie L. Lomelino
- University of Florida College of Medicine, Department of Biochemistry and Molecular Biology, Gainesville, FL 32610, USA
| | - Jacob T. Andring
- University of Florida College of Medicine, Department of Biochemistry and Molecular Biology, Gainesville, FL 32610, USA
| | - Robert McKenna
- University of Florida College of Medicine, Department of Biochemistry and Molecular Biology, Gainesville, FL 32610, USA
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45
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Zakšauskas A, Čapkauskaitė E, Jezepčikas L, Linkuvienė V, Kišonaitė M, Smirnov A, Manakova E, Gražulis S, Matulis D. Design of two-tail compounds with rotationally fixed benzenesulfonamide ring as inhibitors of carbonic anhydrases. Eur J Med Chem 2018; 156:61-78. [PMID: 30006175 DOI: 10.1016/j.ejmech.2018.06.059] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/11/2018] [Accepted: 06/23/2018] [Indexed: 01/08/2023]
Abstract
Rational design of compounds that would bind specific pockets of the target proteins is a difficult task in drug design. The 12 isoforms of catalytically active human carbonic anhydrases (CAs) have highly similar active sites that make it difficult to design inhibitors selective for one or several CA isoforms. A series of CA inhibitors based on 2-chloro/bromo-benzenesulfonamide that is largely fixed in the CA active site together with one or two tails yielded compounds that were synthesized and evaluated as inhibitors of CA isoforms. Introduction of a second tail had significant influence on the binding affinity and two-tailed compounds in most cases provided high affinity and selectivity for CA IX and CA XIV. The contacts between several compounds and CA amino acids were determined by X-ray crystallography. Together with the intrinsic enthalpy and entropy of binding they provided the structure-thermodynamics correlations for this series of compounds with the insight how to rationally build compounds with desired CA isoform as a target.
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Affiliation(s)
- Audrius Zakšauskas
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Edita Čapkauskaitė
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Linas Jezepčikas
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Vaida Linkuvienė
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Miglė Kišonaitė
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Alexey Smirnov
- Department of Protein - DNA Interactions, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Elena Manakova
- Department of Protein - DNA Interactions, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Saulius Gražulis
- Department of Protein - DNA Interactions, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania
| | - Daumantas Matulis
- Department of Biothermodynamics and Drug Design, Institute of Biotechnology, Vilnius University, Saulėtekio al. 7, Vilnius LT-10257, Lithuania.
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Pires DAT, Arake LMR, Silva LP, Lopez-Castillo A, Prates MV, Nascimento CJ, Bloch C. A previously undescribed hexapeptide His-Arg-Phe-Leu-Arg-His-NH 2 from amphibian skin secretion shows CO 2 and metal biding affinities. Peptides 2018; 106:37-44. [PMID: 29933027 DOI: 10.1016/j.peptides.2018.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 06/16/2018] [Accepted: 06/18/2018] [Indexed: 10/28/2022]
Abstract
A previously undescribed six residues long peptide His-Arg-Phe-Leu-Arg-His was identified and purified from the skin secretion of the amphibian Phyllomedusa centralis. A synthetic analogue carboxyamidated HRFLRH-NH2 showed structural changes induced by CO2 and metal ions in aqueous solution when analyzed by NMR. The present work reports NMR structures for the carboxyamidated hexapeptide in the presence CO2, Zn2+ and Cd2+, suggesting possible affinity regions on the polypeptide chain for each ligand. The NMR structures were optimized by DFT to identify probable biding sites of these species in the polypeptide structure. To our best knowledge, this is the first time that a putative CO2 binding site is described on a peptide structure obtained in aqueous conditions, at room temperature.
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Affiliation(s)
- Diego A T Pires
- Instituto de Química, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil; Departamento de Áreas Acadêmicas, Instituto Federal de Educação, Ciência e Tecnologia e Goiás (IFG), Luziânia, Goiás, Brazil
| | - Luisa M R Arake
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Brasília, Distrito Federal, Brazil
| | - Luciano P Silva
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Brasília, Distrito Federal, Brazil
| | - Alejandro Lopez-Castillo
- Departamento de Química, Universidade Federal de São Carlos (UFSCar), São Carlos, São Paulo, Brazil
| | - Maura V Prates
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Brasília, Distrito Federal, Brazil
| | - Claudia J Nascimento
- Instituto de Química, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil; Instituto de Biociências, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carlos Bloch
- Laboratório de Espectrometria de Massa, Embrapa Recursos Genéticos e Biotecnologia, Brasília, Distrito Federal, Brazil.
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Hsu K. Exploring the Potential Roles of Band 3 and Aquaporin-1 in Blood CO 2 Transport-Inspired by Comparative Studies of Glycophorin B-A-B Hybrid Protein GP.Mur. Front Physiol 2018; 9:733. [PMID: 29971013 PMCID: PMC6018491 DOI: 10.3389/fphys.2018.00733] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 05/25/2018] [Indexed: 12/15/2022] Open
Abstract
The Cl—/HCO3— exchanger band 3 is functionally relevant to blood CO2 transport. Band 3 is the most abundant membrane protein in human red blood cells (RBCs). Our understanding of its physiological functions mainly came from clinical cases associated with band 3 mutations. Severe reduction in band 3 expression affects blood HCO3—/CO2 metabolism. What could happen physiologically if band 3 expression is elevated instead? In some areas of Southeast Asia, about 1–10% of the populations express GP.Mur, a glycophorin B-A-B hybrid membrane protein important in the field of transfusion medicine. GP.Mur functions to promote band 3 expression, and GP.Mur red cells can be deemed as a naturally occurred model for higher band 3 expression. This review first compares the functional consequences of band 3 at different levels, and suggests a critical role of band 3 in postnatal CO2 respiration. The second part of the review explores the transport of water, which is the other substrate for intra-erythrocytic CO2/HCO3— conversion (an essential step in blood CO2 transport). Despite that water is considered unlimited physiologically, it is unclear whether water channel aquaporin-1 (AQP1) abundantly expressed in RBCs is functionally involved in CO2 transport. Research in this area is complicated by the fact that the H2O/CO2-transporting function of AQP1 is replaceable by other erythrocyte channels/transporters (e.g., UT-B/GLUT1 for H2O; RhAG for CO2). Recently, using carbonic anhydrase II (CAII)-filled erythrocyte vesicles, AQP1 has been demonstrated to transport water for the CAII-mediated reaction, CO2(g) + H2O ⇌ HCO3—(aq) + H+(aq). AQP1 is structurally associated with some population of band 3 complexes on the erythrocyte membrane in an osmotically responsive fashion. The current findings reveal transient interaction among components within the band 3-central, CO2-transport metabolon (AQP1, band 3, CAII and deoxygenated hemoglobin). Their dynamic interaction is envisioned to facilitate blood CO2 respiration, in the presence of constantly changing osmotic and hemodynamic stresses during circulation.
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Affiliation(s)
- Kate Hsu
- Transfusion Medicine and Immunogenetics Laboratories, MacKay Memorial Hospital, Tamsui, Taiwan
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48
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Ferraroni M, Gaspari R, Scozzafava A, Cavalli A, Supuran CT. Dioxygen, an unexpected carbonic anhydrase ligand. J Enzyme Inhib Med Chem 2018; 33:999-1005. [PMID: 29806484 PMCID: PMC6010096 DOI: 10.1080/14756366.2018.1475371] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous metalloenzymes, grouped into seven different classes, which catalyze the reaction of CO2 hydration to bicarbonate and protons. All of the fifteen human isoforms reported to date belong to the α-class and contain zinc as a cofactor. The structure of human Zn,Cu-CA II has been solved which contains a copper ion bound at its N-terminal, coordinated to His4 and His64. In the active site a dioxygen molecule is coordinated to the zinc ion. Since dioxygen is a rather unexpected CA ligand, molecular dynamics (MD) simulations were performed which suggested a superoxide character of the zinc bound O2.
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Affiliation(s)
- Marta Ferraroni
- a Dipartimento di Chimica , Università di Firenze , Sesto Fiorentino (FI) , Italia
| | | | - Andrea Scozzafava
- a Dipartimento di Chimica , Università di Firenze , Sesto Fiorentino (FI) , Italia
| | - Andrea Cavalli
- c Dipartimento di Farmacia e Biotecnologie , Università di Bologna , Bologna , Italia
| | - Claudiu T Supuran
- d Dipartimento NEUROFARBA - Pharmaceutical and Nutraceutical Section , Sesto Fiorentino (FI) , Italia
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49
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Chen G, Xu W, Lu D, Wu J, Liu Z. Markov-state model for CO 2 binding with carbonic anhydrase under confinement. J Chem Phys 2018; 148:035101. [PMID: 29352785 DOI: 10.1063/1.5003298] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Enzyme immobilization with a nanostructure material can enhance its stability and facilitate reusability. However, the apparent activity is often compromised due to additional diffusion barriers and complex interactions with the substrates and solvent molecules. The present study elucidates the effects of the surface hydrophobicity of nano-confinement on CO2 diffusion to the active site of human carbonic anhydrase II (CA), an enzyme that is able to catalyze CO2 hydration at extremely high turnover rates. Using the Markov-state model in combination with coarse-grained molecular dynamics simulations, we demonstrate that a hydrophobic cage increases CO2 local density but hinders its diffusion towards the active site of CA under confinement. By contrast, a hydrophilic cage hinders CO2 adsorption but promotes its binding with CA. An optimal surface hydrophobicity can be identified to maximize both the CO2 occupation probability and the diffusion rate. The simulation results offer insight into understanding enzyme performance under nano-confinement and help us to advance broader applications of CA for CO2 absorption and recovery.
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Affiliation(s)
- Gong Chen
- Ministry of Education Key Laboratory of Industrial Biocatalysis, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Weina Xu
- Ministry of Education Key Laboratory of Industrial Biocatalysis, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Diannan Lu
- Ministry of Education Key Laboratory of Industrial Biocatalysis, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Jianzhong Wu
- Department of Chemical and Environmental Engineering, University of California, Riverside, California 92521, USA
| | - Zheng Liu
- Ministry of Education Key Laboratory of Industrial Biocatalysis, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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Lomelino CL, Kim JK, Lee C, Lim SW, Andring JT, Mahon BP, Chung M, Kim CU, McKenna R. Carbonic anhydrase II microcrystals suitable for XFEL studies. Acta Crystallogr F Struct Biol Commun 2018; 74:327-330. [PMID: 29870015 PMCID: PMC5987739 DOI: 10.1107/s2053230x18006118] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 04/21/2018] [Indexed: 11/10/2022] Open
Abstract
Recent advances in X-ray free-electron laser (XFEL) sources have permitted the study of protein dynamics. Femtosecond X-ray pulses have allowed the visualization of intermediate states in enzyme catalysis. In this study, the growth of carbonic anhydrase II microcrystals (40-80 µm in length) suitable for the collection of XFEL diffraction data at the Pohang Accelerator Laboratory is demonstrated. The crystals diffracted to 1.7 Å resolution and were indexed in space group P21, with unit-cell parameters a = 42.2, b = 41.2, c = 72.0 Å, β = 104.2°. These preliminary results provide the necessary framework for time-resolved experiments to study carbonic anhydrase catalysis at XFEL beamlines.
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Affiliation(s)
- Carrie L. Lomelino
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Jin Kyun Kim
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Cheol Lee
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Seon Woo Lim
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Jacob T. Andring
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Brian P. Mahon
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Moses Chung
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Chae Un Kim
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
| | - Robert McKenna
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
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