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Zhao Z, Laps S, Gichtin JS, Metanis N. Selenium chemistry for spatio-selective peptide and protein functionalization. Nat Rev Chem 2024; 8:211-229. [PMID: 38388838 DOI: 10.1038/s41570-024-00579-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/15/2024] [Indexed: 02/24/2024]
Abstract
The ability to construct a peptide or protein in a spatio-specific manner is of great interest for therapeutic and biochemical research. However, the various functional groups present in peptide sequences and the need to perform chemistry under mild and aqueous conditions make selective protein functionalization one of the greatest synthetic challenges. The fascinating paradox of selenium (Se) - being found in both toxic compounds and also harnessed by nature for essential biochemical processes - has inspired the recent exploration of selenium chemistry for site-selective functionalization of peptides and proteins. In this Review, we discuss such approaches, including metal-free and metal-catalysed transformations, as well as traceless chemical modifications. We report their advantages, limitations and applications, as well as future research avenues.
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Affiliation(s)
- Zhenguang Zhao
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Shay Laps
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Jacob S Gichtin
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Norman Metanis
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel.
- Casali Center for Applied Chemistry, The Hebrew University of Jerusalem, Jerusalem, Israel.
- The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem, Israel.
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2
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Pehlivan Ö, Waliczek M, Kijewska M, Stefanowicz P. Selenium in Peptide Chemistry. Molecules 2023; 28:molecules28073198. [PMID: 37049961 PMCID: PMC10096412 DOI: 10.3390/molecules28073198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/29/2023] [Accepted: 04/02/2023] [Indexed: 04/07/2023] Open
Abstract
In recent years, researchers have been exploring the potential of incorporating selenium into peptides, as this element possesses unique properties that can enhance the reactivity of these compounds. Selenium is a non-metallic element that has a similar electronic configuration to sulfur. However, due to its larger atomic size and lower electronegativity, it is more nucleophilic than sulfur. This property makes selenium more reactive toward electrophiles. One of the most significant differences between selenium and sulfur is the dissociation of the Se-H bond. The Se-H bond is more easily dissociated than the S-H bond, leading to higher acidity of selenocysteine (Sec) compared to cysteine (Cys). This difference in acidity can be exploited to selectively modify the reactivity of peptides containing Sec. Furthermore, Se-H bonds in selenium-containing peptides are more susceptible to oxidation than their sulfur analogs. This property can be used to selectively modify the peptides by introducing new functional groups, such as disulfide bonds, which are important for protein folding and stability. These unique properties of selenium-containing peptides have found numerous applications in the field of chemical biology. For instance, selenium-containing peptides have been used in native chemical ligation (NCL). In addition, the reactivity of Sec can be harnessed to create cyclic and stapled peptides. Other chemical modifications, such as oxidation, reduction, and photochemical reactions, have also been applied to selenium-containing peptides to create novel molecules with unique biological properties.
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Affiliation(s)
- Özge Pehlivan
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Mateusz Waliczek
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Monika Kijewska
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Piotr Stefanowicz
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland
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3
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Upadhyay A, Kumar Jha R, Batabyal M, Dutta T, Koner AL, Kumar S. Janus -faced oxidant and antioxidant profiles of organo diselenides. Dalton Trans 2021; 50:14576-14594. [PMID: 34590653 DOI: 10.1039/d1dt01565f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To date, organoseleniums are pre-eminent for peroxide decomposition and radical quenching antioxidant activities. On the contrary, here, a series of Janus-faced aminophenolic diselenides have been prepared from substituted 2-iodoaniline and selenium powder using copper-catalyzed methodology. Subsequently, condensation with substituted salicylaldehyde afforded the Schiff base, which on reduction, yielded the desired substituted aminophenolic diselenides in 72%-88% yields. The generation of reactive oxygen species (ROS) from oxygen gas by the synthesized aminophenolic diselenides was studied by analyzing the oxidation of dichlorofluorescein diacetate (DCFDA) dye and para-nitro-thiophenol by fluorescence and UV-Visible spectroscopic methods. Furthermore, density functional theory calculations and crystal structure analysis revealed the role of functional amine and hydroxyl sites present in the Janus-faced organoselenium catalyst for the activation of molecular oxygen, where NH and phenolic groups bring the oxygen molecule close to the catalyst by N-H⋯O and O-H⋯O intermolecular interactions. Additionally, these functionalities stabilize the selenium-centered radical in the formed transition states. Antioxidant activities of the synthesized diselenides have been explored as the catalyst for the decomposition of hydrogen peroxide using benzenethiol sacrificial co-reductant by a well-established thiol assay. Radical quenching antioxidant activity was studied by the quenching of DPPH radicals at 516 nm by UV-Visible spectroscopy. The structure activity correlation suggests that the electron-rich phenol and electron-rich and sterically hindered selenium center enhance the oxidizing property of the aminophenolic diselenides. Janus-faced diselenides were also evaluated for their cytotoxic effect on HeLa cancer cells via MTT assay, which suggests that the compounds are effective at 15-18 μM concentration against cancer cells. Moreover, the combination with therapeutic anticancer drugs Erlotinib and Doxorubicin showed promising cytotoxicity at the nanomolar concentration (8-28 nM), which is sufficient to suppress the growth of the cancer cells.
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Affiliation(s)
- Aditya Upadhyay
- Department of Chemistry, Indian Institute of Science Education and Research, Bhopal Bhauri By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Raushan Kumar Jha
- Department of Chemistry, Indian Institute of Science Education and Research, Bhopal Bhauri By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Monojit Batabyal
- Department of Chemistry, Indian Institute of Science Education and Research, Bhopal Bhauri By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Tanoy Dutta
- Department of Chemistry, Indian Institute of Science Education and Research, Bhopal Bhauri By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Apurba Lal Koner
- Department of Chemistry, Indian Institute of Science Education and Research, Bhopal Bhauri By-pass Road, Bhopal 462066, Madhya Pradesh, India.
| | - Sangit Kumar
- Department of Chemistry, Indian Institute of Science Education and Research, Bhopal Bhauri By-pass Road, Bhopal 462066, Madhya Pradesh, India.
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4
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Diselenide crosslinks for enhanced and simplified oxidative protein folding. Commun Chem 2021; 4:30. [PMID: 36697775 PMCID: PMC9814483 DOI: 10.1038/s42004-021-00463-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 01/29/2021] [Indexed: 01/28/2023] Open
Abstract
The in vitro oxidative folding of proteins has been studied for over sixty years, providing critical insight into protein folding mechanisms. Hirudin, the most potent natural inhibitor of thrombin, is a 65-residue protein with three disulfide bonds, and is viewed as a folding model for a wide range of disulfide-rich proteins. Hirudin's folding pathway is notorious for its highly heterogeneous intermediates and scrambled isomers, limiting its folding rate and yield in vitro. Aiming to overcome these limitations, we undertake systematic investigation of diselenide bridges at native and non-native positions and investigate their effect on hirudin's folding, structure and activity. Our studies demonstrate that, regardless of the specific positions of these substitutions, the diselenide crosslinks enhanced the folding rate and yield of the corresponding hirudin analogues, while reducing the complexity and heterogeneity of the process. Moreover, crystal structure analysis confirms that the diselenide substitutions maintained the overall three-dimensional structure of the protein and left its function virtually unchanged. The choice of hirudin as a study model has implications beyond its specific folding mechanism, demonstrating the high potential of diselenide substitutions in the design, preparation and characterization of disulfide-rich proteins.
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5
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Biomimetic selenocystine based dynamic combinatorial chemistry for thiol-disulfide exchange. Nat Commun 2021; 12:163. [PMID: 33420034 PMCID: PMC7794297 DOI: 10.1038/s41467-020-20415-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 12/02/2020] [Indexed: 01/29/2023] Open
Abstract
Dynamic combinatorial chemistry applied to biological environments requires the exchange chemistry of choice to take place under physiological conditions. Thiol-disulfide exchange, one of the most popular dynamic combinatorial chemistries, usually needs long equilibration times to reach the required equilibrium composition. Here we report selenocystine as a catalyst mimicking Nature's strategy to accelerate thiol-disulfide exchange at physiological pH and low temperatures. Selenocystine is able to accelerate slow thiol-disulfide systems and to promote the correct folding of an scrambled RNase A enzyme, thus broadening the practical range of pH conditions for oxidative folding. Additionally, dynamic combinatorial chemistry target-driven self-assembly processes are tested using spermine, spermidine and NADPH (casting) and glucose oxidase (molding). A non-competitive inhibitor is identified in the glucose oxidase directed dynamic combinatorial library.
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6
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Lim YJ, Shin NH, Kim C, Kim YE, Cho H, Park MS, Lee SH. An efficient and practical method for the selective synthesis of sodium diselenide and diorganyl diselenides through selenium reduction. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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7
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Upadhyay A, Batabyal M, Kanika, Kumar S. Organoseleniums: Generated and Exploited in Oxidative Reactions. CHEM LETT 2020. [DOI: 10.1246/cl.200015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Aditya Upadhyay
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal By-pass Road, Bhauri, Bhopal 462066, Madhya Pradesh India
| | - Monojit Batabyal
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal By-pass Road, Bhauri, Bhopal 462066, Madhya Pradesh India
| | - Kanika
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal By-pass Road, Bhauri, Bhopal 462066, Madhya Pradesh India
| | - Sangit Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal By-pass Road, Bhauri, Bhopal 462066, Madhya Pradesh India
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8
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Moroder L, Musiol H. Amino acid chalcogen analogues as tools in peptide and protein research. J Pept Sci 2019; 26:e3232. [DOI: 10.1002/psc.3232] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/16/2019] [Accepted: 10/21/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Luis Moroder
- Bioorganic ChemistryMax‐Planck Institute of Biochemistry Martinsried Germany
| | - Hans‐Jürgen Musiol
- Bioorganic ChemistryMax‐Planck Institute of Biochemistry Martinsried Germany
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9
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Gokula RP, Patel K, Maurya SK, Singh HB. Facile synthesis of stable selenocystine peptides and their solution state NMR studies. Org Biomol Chem 2019; 17:8533-8536. [PMID: 31517367 DOI: 10.1039/c9ob01910c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile general route for the synthesis of various selenocystine tripeptides containing acidic, basic and neutral side chain amino acids is reported. Here, TFA labile side chain protected selenocysteine has been used as a precursor for the synthesis of selenopeptides. The peptides are highly stable in dimethyl sulphoxide, thus enabling detailed NMR studies by solution phase 1- and 2-dimensional NMR spectroscopy.
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Affiliation(s)
- Ram P Gokula
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India.
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10
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Waliczek M, Pehlivan Ö, Stefanowicz P. Light-Driven Diselenide Metathesis in Peptides. ChemistryOpen 2019; 8:1199-1203. [PMID: 31523607 PMCID: PMC6735248 DOI: 10.1002/open.201900224] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/13/2019] [Indexed: 12/20/2022] Open
Abstract
Peptides containing selenocysteine moieties are susceptible to non‐catalytic reactions of diselenide bonds metathesis induced by visible light. In contrast to previously reported radical metathesis of disulfide bridges in cysteine derivatives, this newly developed reaction is fast and clean, and proceeds without decomposition of peptides and without formation of side products. The diselenide bond in peptides was reported in literature to be more stable than the disulfide one and also less susceptible to metathesis induced by thiols and reducing reagents. We demonstrated that visible light induces fast metathesis of Se−Se bonds in peptides. This reaction is important for the folding of peptides containing selenocysteine residues and may find application in designing dynamic combinatorial libraries of peptides responsive to external influence.
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Affiliation(s)
- Mateusz Waliczek
- Faculty of Chemistry University of Wrocław Joliot-Curie 14 50-383 Wrocław Poland
| | - Özge Pehlivan
- Faculty of Chemistry University of Wrocław Joliot-Curie 14 50-383 Wrocław Poland
| | - Piotr Stefanowicz
- Faculty of Chemistry University of Wrocław Joliot-Curie 14 50-383 Wrocław Poland
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11
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Weil-Ktorza O, Rege N, Lansky S, Shalev DE, Shoham G, Weiss MA, Metanis N. Substitution of an Internal Disulfide Bridge with a Diselenide Enhances both Foldability and Stability of Human Insulin. Chemistry 2019; 25:8513-8521. [PMID: 31012517 PMCID: PMC6861001 DOI: 10.1002/chem.201900892] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/12/2019] [Indexed: 11/12/2022]
Abstract
Insulin analogues, mainstays in the modern treatment of diabetes mellitus, exemplify the utility of protein engineering in molecular pharmacology. Whereas chemical syntheses of the individual A and B chains were accomplished in the early 1960s, their combination to form native insulin remains inefficient because of competing disulfide pairing and aggregation. To overcome these limitations, we envisioned an alternative approach: pairwise substitution of cysteine residues with selenocysteine (Sec, U). To this end, CysA6 and CysA11 (which form the internal intrachain A6-A11 disulfide bridge) were each replaced with Sec. The A chain[C6U, C11U] variant was prepared by solid-phase peptide synthesis; while sulfitolysis of biosynthetic human insulin provided wild-type B chain-di-S-sulfonate. The presence of selenium atoms at these sites markedly enhanced the rate and fidelity of chain combination, thus solving a long-standing challenge in chemical insulin synthesis. The affinity of the Se-insulin analogue for the lectin-purified insulin receptor was indistinguishable from that of WT-insulin. Remarkably, the thermodynamic stability of the analogue at 25 °C, as inferred from guanidine denaturation studies, was augmented (ΔΔGu ≈0.8 kcal mol-1 ). In accordance with such enhanced stability, reductive unfolding of the Se-insulin analogue and resistance to enzymatic cleavage by Glu-C protease occurred four times more slowly than that of WT-insulin. 2D-NMR and X-ray crystallographic studies demonstrated a native-like three-dimensional structure in which the diselenide bridge was accommodated in the hydrophobic core without steric clash.
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Affiliation(s)
- Orit Weil-Ktorza
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
| | - Nischay Rege
- Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio, 44106, USA
| | - Shifra Lansky
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
| | - Deborah E Shalev
- Wolfson Center for Applied Structural Biology, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
| | - Gil Shoham
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
| | - Michael A Weiss
- Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio, 44106, USA
- Department of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Norman Metanis
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
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12
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Bartolami E, Basagiannis D, Zong L, Martinent R, Okamoto Y, Laurent Q, Ward TR, Gonzalez‐Gaitan M, Sakai N, Matile S. Diselenolane‐Mediated Cellular Uptake: Efficient Cytosolic Delivery of Probes, Peptides, Proteins, Artificial Metalloenzymes and Protein‐Coated Quantum Dots. Chemistry 2019; 25:4047-4051. [DOI: 10.1002/chem.201805900] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 12/29/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Eline Bartolami
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
- National Centre of Competence in Research (NCCR) Molecular Systems Engineering CH-4002 Basel Switzerland
| | - Dimitris Basagiannis
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
| | - Lili Zong
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
- Current Address: School of Chemistry and Chemical EngineeringSoutheast University Nanjing 210096 China
| | - Rémi Martinent
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
| | - Yasunori Okamoto
- Department of ChemistryUniversity of Basel Basel Switzerland
- National Centre of Competence in Research (NCCR) Molecular Systems Engineering CH-4002 Basel Switzerland
| | - Quentin Laurent
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
- National Centre of Competence in Research (NCCR) Molecular Systems Engineering CH-4002 Basel Switzerland
| | - Thomas R. Ward
- Department of ChemistryUniversity of Basel Basel Switzerland
- National Centre of Competence in Research (NCCR) Molecular Systems Engineering CH-4002 Basel Switzerland
| | - Marcos Gonzalez‐Gaitan
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
| | - Naomi Sakai
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
- National Centre of Competence in Research (NCCR) Molecular Systems Engineering CH-4002 Basel Switzerland
| | - Stefan Matile
- National Centre of Competence in Research (NCCR) Chemical Biology, School of Chemistry and BiochemistryUniversity of Geneva CH-1211 Geneva Switzerland
- National Centre of Competence in Research (NCCR) Molecular Systems Engineering CH-4002 Basel Switzerland
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13
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Wang S, Al-Soodani AT, Thomas GC, Buck-Koehntop BA, Woycechowsky KJ. A Protein-Capsid-Based System for Cell Delivery of Selenocysteine. Bioconjug Chem 2018; 29:2332-2342. [DOI: 10.1021/acs.bioconjchem.8b00302] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Shuxin Wang
- School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Aneesa T. Al-Soodani
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Geoffrey C. Thomas
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Bethany A. Buck-Koehntop
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Kenneth J. Woycechowsky
- School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
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14
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Chuard N, Poblador-Bahamonde AI, Zong L, Bartolami E, Hildebrandt J, Weigand W, Sakai N, Matile S. Diselenolane-mediated cellular uptake. Chem Sci 2018; 9:1860-1866. [PMID: 29675232 PMCID: PMC5892345 DOI: 10.1039/c7sc05151d] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 01/02/2018] [Indexed: 12/19/2022] Open
Abstract
Selenophilicity, minimized dihedral angles, acidic selenols, multitarget hopping: cytosolic delivery with 1,2-diselenolanes outperforms 1,2-dithiolanes, by far.
The emerging power of thiol-mediated uptake with strained disulfides called for a move from sulfur to selenium. We report that according to results with fluorescent model substrates, cellular uptake with 1,2-diselenolanes exceeds uptake with 1,2-dithiolanes and epidithiodiketopiperazines with regard to efficiency as well as intracellular localization. The diselenide analog of lipoic acid performs best. This 1,2-diselenolane delivers fluorophores efficiently to the cytosol of HeLa Kyoto cells, without detectable endosomal capture as with 1,2-dithiolanes or dominant escape into the nucleus as with epidithiodiketopiperazines. Diselenolane-mediated cytosolic delivery is non-toxic (MTT assay), sensitive to temperature but insensitive to inhibitors of endocytosis (chlorpromazine, methyl-β-cyclodextrin, wortmannin, cytochalasin B) and conventional thiol-mediated uptake (Ellman's reagent), and to serum. Selenophilicity, the extreme CSeSeC dihedral angle of 0° and the high but different acidity of primary and secondary selenols might all contribute to uptake. Thiol-exchange affinity chromatography is introduced as operational mimic of thiol-mediated uptake that provides, in combination with rate enhancement of DTT oxidation, direct experimental evidence for existence and nature of the involved selenosulfides.
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Affiliation(s)
- Nicolas Chuard
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Amalia I Poblador-Bahamonde
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Lili Zong
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Eline Bartolami
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Jana Hildebrandt
- Institute of Inorganic and Analytical Chemistry , Friedrich-Schiller University Jena , Germany
| | - Wolfgang Weigand
- Institute of Inorganic and Analytical Chemistry , Friedrich-Schiller University Jena , Germany
| | - Naomi Sakai
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
| | - Stefan Matile
- Department of Organic Chemistry , University of Geneva , Geneva , Switzerland . ; http://www.unige.ch/sciences/chiorg/matile/ ; Tel: +41 22 379 6523
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15
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Arai K, Ueno H, Asano Y, Chakrabarty G, Shimodaira S, Mugesh G, Iwaoka M. Protein Folding in the Presence of Water-Soluble Cyclic Diselenides with Novel Oxidoreductase and Isomerase Activities. Chembiochem 2017; 19:207-211. [PMID: 29197144 DOI: 10.1002/cbic.201700624] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Indexed: 01/29/2023]
Abstract
The protein disulfide isomerase (PDI) family, found in the endoplasmic reticulum (ER) of the eukaryotic cell, catalyzes the formation and cleavage of disulfide bonds and thereby helps in protein folding. A decrease in PDI activity under ER stress conditions leads to protein misfolding, which is responsible for the progression of various human diseases, such as Alzheimer's, Parkinson's, diabetes mellitus, and atherosclerosis. Here we report that water-soluble cyclic diselenides mimic the multifunctional activity of the PDI family by facilitating oxidative folding, disulfide formation/reduction, and repair of the scrambled disulfide bonds in misfolded proteins.
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Affiliation(s)
- Kenta Arai
- Department of Chemistry, School of Science, Tokai University, Kitakaname, Hiratsuka-shi, Kanagawa, 259-1292, Japan
| | - Haruhito Ueno
- Department of Chemistry, School of Science, Tokai University, Kitakaname, Hiratsuka-shi, Kanagawa, 259-1292, Japan
| | - Yuki Asano
- Department of Chemistry, School of Science, Tokai University, Kitakaname, Hiratsuka-shi, Kanagawa, 259-1292, Japan
| | - Gaurango Chakrabarty
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Shingo Shimodaira
- Department of Chemistry, School of Science, Tokai University, Kitakaname, Hiratsuka-shi, Kanagawa, 259-1292, Japan
| | - Govindasamy Mugesh
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Michio Iwaoka
- Department of Chemistry, School of Science, Tokai University, Kitakaname, Hiratsuka-shi, Kanagawa, 259-1292, Japan
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16
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Mousa R, Notis Dardashti R, Metanis N. Selen und Selenocystein in der Proteinchemie. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706876] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Reem Mousa
- The Institute of Chemistry; The Hebrew University of Jerusalem; Edmond J. Safra, Givat Ram Jerusalem 91904 Israel
| | - Rebecca Notis Dardashti
- The Institute of Chemistry; The Hebrew University of Jerusalem; Edmond J. Safra, Givat Ram Jerusalem 91904 Israel
| | - Norman Metanis
- The Institute of Chemistry; The Hebrew University of Jerusalem; Edmond J. Safra, Givat Ram Jerusalem 91904 Israel
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17
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Mousa R, Notis Dardashti R, Metanis N. Selenium and Selenocysteine in Protein Chemistry. Angew Chem Int Ed Engl 2017; 56:15818-15827. [PMID: 28857389 DOI: 10.1002/anie.201706876] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Indexed: 01/22/2023]
Abstract
Selenocysteine, the selenium-containing analogue of cysteine, is the twenty-first proteinogenic amino acid. Since its discovery almost fifty years ago, it has been exploited in unnatural systems even more often than in natural systems. Selenocysteine chemistry has attracted the attention of many chemists in the field of chemical biology owing to its high reactivity and resulting potential for various applications such as chemical modification, chemical protein (semi)synthesis, and protein folding, to name a few. In this Minireview, we will focus on the chemistry of selenium and selenocysteine and their utility in protein chemistry.
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Affiliation(s)
- Reem Mousa
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
| | - Rebecca Notis Dardashti
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
| | - Norman Metanis
- The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra, Givat Ram, Jerusalem, 91904, Israel
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18
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Shimodaira S, Asano Y, Arai K, Iwaoka M. Selenoglutathione Diselenide: Unique Redox Reactions in the GPx-Like Catalytic Cycle and Repairing of Disulfide Bonds in Scrambled Protein. Biochemistry 2017; 56:5644-5653. [PMID: 29022711 DOI: 10.1021/acs.biochem.7b00751] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Selenoglutathione (GSeH) is a selenium analogue of naturally abundant glutathione (GSH). In this study, this water-soluble small tripeptide was synthesized in a high yield (up to 98%) as an oxidized diselenide form, i.e., GSeSeG (1), by liquid-phase peptide synthesis (LPPS). Obtained 1 was applied to the investigation of the glutathione peroxidase (GPx)-like catalytic cycle. The important intermediates, i.e., GSe- and GSeSG, besides GSeO2H were characterized by 77Se NMR spectroscopy. Thiol exchange of GSeSG with various thiols, such as cysteine and dithiothreitol, was found to promote the conversion to GSe- significantly. In addition, disproportionation of GSeSR to 1 and RSSR, which would be initiated by heterolytic cleavage of the Se-S bond and catalyzed by the generated selenolate, was observed. On the basis of these redox behaviors, it was proposed that the heterolytic cleavage of the Se-S bond can be facilitated by the interaction between the Se atom and an amino or aromatic group, which is present at the GPx active site. On the other hand, when a catalytic amount of 1 was reacted with scrambled 4S species of RNase A in the presence of NADPH and glutathione reductase, native protein was efficiently regenerated, suggesting a potential use of 1 to repair misfolded proteins through reduction of the non-native SS bonds.
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Affiliation(s)
- Shingo Shimodaira
- Department of Chemistry, School of Science, Tokai University , Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Yuki Asano
- Department of Chemistry, School of Science, Tokai University , Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Kenta Arai
- Department of Chemistry, School of Science, Tokai University , Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Michio Iwaoka
- Department of Chemistry, School of Science, Tokai University , Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
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19
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Reddy PS, Metanis N. Small molecule diselenide additives for in vitro oxidative protein folding. Chem Commun (Camb) 2016; 52:3336-9. [PMID: 26822519 DOI: 10.1039/c5cc10451c] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The in vitro oxidative folding of disulfide-rich proteins can be challenging. Here we show a new class of small molecule diselenides, which can be easily prepared from inexpensive starting materials, used to enhance oxidative protein folding. These compounds were tested on a model protein, bovine pancreatic trypsin inhibitor. Two of the tested diselenides showed considerable improvement over glutathione and were on par with the previously described selenoglutathione.
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Affiliation(s)
- Post Sai Reddy
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel.
| | - Norman Metanis
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel.
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20
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Verma P, Kunwar A, Arai K, Iwaoka M, Indira Priyadarsini K. Alkyl chain modulated cytotoxicity and antioxidant activity of bioinspired amphiphilic selenolanes. Toxicol Res (Camb) 2016; 5:434-445. [PMID: 30090358 PMCID: PMC6062215 DOI: 10.1039/c5tx00331h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 11/18/2015] [Indexed: 12/13/2022] Open
Abstract
A series of amphiphilic conjugates of dihydroxy selenolane (DHS) and monoamine selenolane (MAS), which we had previously reported to inhibit lipid peroxidation and assist the oxidative protein folding reaction respectively in cell free systems, were evaluated for cytotoxicity, associated mechanisms and antioxidant effects in cells. Our results indicated that a fatty acid/alkyl group of variable chain lengths (C6-14) as a lipophilic moiety of the DHS/MAS conjugates not only improved their ability to incorporate within the plasma membrane of cells but also modulated their cytotoxicity. In the concentration range of 1-50 μM, C6 conjugates were non-toxic whereas the long chain (≥C8) conjugates showed significant cytotoxicity. The induction of toxicity investigated by the changes in membrane leakage, fluidity, mitochondrial membrane potential and annexin-V-propidium iodide (PI) staining by using flow cytometry revealed plasma membrane disintegration and subsequent induction of necrosis as the major mechanism. Further, the conjugates of DHS and MAS also showed differential as well as nonlinear tendency in cytotoxicity with respect to chain lengths and this effect was attributed to their self-aggregation properties. Compared with the parent compounds, C6 conjugates not only exhibited better antioxidant activity in terms of the induction of selenoproteins such as glutathione peroxidase 1 (GPx1), GPx4 and thioredoxin reductase 1 (TrxR1) but also protected cells from the AAPH induced oxidative stress. In conclusion, the present study suggests the importance of hydrophilic-lipophilic balance (HLB) in fine tuning the toxicity and activity of bioinspired amphiphilic antioxidants.
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Affiliation(s)
- Prachi Verma
- Radiation and Photochemistry Division , Bhabha Atomic Research Centre , Mumbai - 400085 , India .
- Homi Bhabha National Institute , Mumbai - 400085 , India
| | - Amit Kunwar
- Radiation and Photochemistry Division , Bhabha Atomic Research Centre , Mumbai - 400085 , India .
| | - Kenta Arai
- Department of Chemistry , School of Science , Tokai University , Kitakaname , Hiratsuka-shi , Kanagawa 259-1292 , Japan
| | - Michio Iwaoka
- Department of Chemistry , School of Science , Tokai University , Kitakaname , Hiratsuka-shi , Kanagawa 259-1292 , Japan
| | - K Indira Priyadarsini
- Radiation and Photochemistry Division , Bhabha Atomic Research Centre , Mumbai - 400085 , India .
- Homi Bhabha National Institute , Mumbai - 400085 , India
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21
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Chen Y, Wang Q, Zhang C, Li X, Gao Q, Dong C, Liu Y, Su Z. Improving the refolding efficiency for proinsulin aspart inclusion body with optimized buffer compositions. Protein Expr Purif 2016; 122:1-7. [PMID: 26826314 DOI: 10.1016/j.pep.2016.01.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2016] [Revised: 01/23/2016] [Accepted: 01/25/2016] [Indexed: 01/22/2023]
Abstract
Successfully recovering proinsulin's native conformation from inclusion body is the crucial step to guarantee high efficiency for insulin's manufacture. Here, two by-products of disulfide-linked oligomers and disulfide-isomerized monomers were clearly identified during proinsulin aspart's refolding through multiple analytic methods. Arginine and urea are both used to assist in proinsulin refolding, however the efficacy and possible mechanism was found to be different. The oligomers formed with urea were of larger size than with arginine. With the urea concentrations increasing from 2 M to 4 M, the content of oligomers decreased greatly, but simultaneously the refolding yield at the protein concentration of 0.5 mg/mL decreased from 40% to 30% due to the increase of disulfide-isomerized monomers. In contrast, with arginine concentrations increasing up to 1 M, the refolding yield gradually increased to 50% although the content for oligomers also decreased. Moreover, it was demonstrated that not redox pairs but only oxidant was necessary to facilitate the native disulfide bonds formation for the reduced denatured proinsulin. An oxidative agent of selenocystamine could increase the yield up to 80% in the presence of 0.5 M arginine. Further study demonstrated that refolding with 2 M urea instead of 0.5 M arginine could achieve similar yield as protein concentration is slightly reduced to 0.3 mg/mL. In this case, refolded proinsulin was directly purified through one-step of anionic exchange chromatography, with a recovery of 32% and purity up to 95%. All the results could be easily adopted in insulin's industrial manufacture for improving the production efficiency.
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Affiliation(s)
- Ying Chen
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Qi Wang
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Chun Zhang
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Xiunan Li
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Qiang Gao
- Novo Nordisk Research Center China, Beijing 102206, PR China
| | - Changqing Dong
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Yongdong Liu
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Zhiguo Su
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China.
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22
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Peng B, Zhang C, Marutani E, Pacheco A, Chen W, Ichinose F, Xian M. Trapping hydrogen sulfide (H₂S) with diselenides: the application in the design of fluorescent probes. Org Lett 2015; 17:1541-4. [PMID: 25723840 PMCID: PMC4372083 DOI: 10.1021/acs.orglett.5b00431] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Here
we report a unique reaction between phenyl diselenide-ester
substrates and H2S to form 1,2-benzothiaselenol-3-one.
This reaction proceeded rapidly under mild conditions. Thiols could
also react with the diselenide substrates. However, the resulted S–Se
intermediate retained high reactivity toward H2S and eventually
led to the same cyclized product 1,2-benzothiaselenol-3-one. Based
on this reaction two fluorescent probes were developed and showed
high selectivity and sensitivity for H2S. The presence
of thiols was found not to interfere with the detection process.
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Affiliation(s)
- Bo Peng
- †Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Caihong Zhang
- †Department of Chemistry, Washington State University, Pullman, Washington 99164, United States.,‡School of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan, China
| | - Eizo Marutani
- §Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Armando Pacheco
- †Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Wei Chen
- †Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Fumito Ichinose
- §Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Ming Xian
- †Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
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23
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Lukesh JC, Andersen KA, Wallin KK, Raines RT. Organocatalysts of oxidative protein folding inspired by protein disulfide isomerase. Org Biomol Chem 2014; 12:8598-602. [PMID: 25266373 PMCID: PMC4237591 DOI: 10.1039/c4ob01738b] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Organocatalysts derived from diethylenetriamine effect the rapid isomerization of non-native protein disulfide bonds to native ones. These catalysts contain a pendant hydrophobic moiety to encourage interaction with the non-native state, and two thiol groups with low pKa values that form a disulfide bond with a high E°' value.
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Affiliation(s)
- John C Lukesh
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706, USA
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24
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Metanis N, Hilvert D. Natural and synthetic selenoproteins. Curr Opin Chem Biol 2014; 22:27-34. [DOI: 10.1016/j.cbpa.2014.09.010] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 09/07/2014] [Accepted: 09/08/2014] [Indexed: 12/11/2022]
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25
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Metanis N, Hilvert D. Harnessing selenocysteine reactivity for oxidative protein folding. Chem Sci 2014; 6:322-325. [PMID: 28757941 PMCID: PMC5514408 DOI: 10.1039/c4sc02379j] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 09/22/2014] [Indexed: 01/06/2023] Open
Abstract
Turbo-charged folding with selenium: targeted replacement of cysteines in proteins with selenocysteines is a valuable strategy for increasing the rates of oxidative protein folding, altering folding mechanisms, and rescuing kinetically trapped intermediates.
Although oxidative folding of disulfide-rich proteins is often sluggish, this process can be significantly enhanced by targeted replacement of cysteines with selenocysteines. In this study, we examined the effects of a selenosulfide and native versus nonnative diselenides on the folding rates and mechanism of bovine pancreatic trypsin inhibitor. Our results show that such sulfur-to-selenium substitutions alter the distribution of key folding intermediates and enhance their rates of interconversion in a context-dependent manner.
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Affiliation(s)
- Norman Metanis
- Laboratory of Organic Chemistry , ETH Zürich , 8093 Zürich , Switzerland .
| | - Donald Hilvert
- Laboratory of Organic Chemistry , ETH Zürich , 8093 Zürich , Switzerland .
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26
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Akondi KB, Muttenthaler M, Dutertre S, Kaas Q, Craik DJ, Lewis RJ, Alewood PF. Discovery, synthesis, and structure-activity relationships of conotoxins. Chem Rev 2014; 114:5815-47. [PMID: 24720541 PMCID: PMC7610532 DOI: 10.1021/cr400401e] [Citation(s) in RCA: 224] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | - Sébastien Dutertre
- Institute for Molecular Bioscience, The University of Queensland, Brisbane QLD 4072, Australia
| | - Quentin Kaas
- Institute for Molecular Bioscience, The University of Queensland, Brisbane QLD 4072, Australia
| | - David J Craik
- Institute for Molecular Bioscience, The University of Queensland, Brisbane QLD 4072, Australia
| | - Richard J Lewis
- Institute for Molecular Bioscience, The University of Queensland, Brisbane QLD 4072, Australia
| | - Paul F Alewood
- Institute for Molecular Bioscience, The University of Queensland, Brisbane QLD 4072, Australia
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27
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Rasmussen B, Sørensen A, Gotfredsen H, Pittelkow M. Dynamic combinatorial chemistry with diselenides and disulfides in water. Chem Commun (Camb) 2014; 50:3716-8. [DOI: 10.1039/c4cc00523f] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diselenide exchange is introduced as a reversible reaction in dynamic combinatorial chemistry in water at physiological pH.
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Affiliation(s)
- Brian Rasmussen
- Department of Chemistry
- University of Copenhagen
- DK-2100 Copenhagen, Denmark
| | - Anne Sørensen
- Department of Chemistry
- University of Copenhagen
- DK-2100 Copenhagen, Denmark
| | - Henrik Gotfredsen
- Department of Chemistry
- University of Copenhagen
- DK-2100 Copenhagen, Denmark
| | - Michael Pittelkow
- Department of Chemistry
- University of Copenhagen
- DK-2100 Copenhagen, Denmark
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28
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29
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Lukesh JC, VanVeller B, Raines RT. Thiols and selenols as electron-relay catalysts for disulfide-bond reduction. Angew Chem Int Ed Engl 2013; 52:12901-4. [PMID: 24123634 PMCID: PMC3885359 DOI: 10.1002/anie.201307481] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Indexed: 01/21/2023]
Abstract
Pass them on! Dithiobutylamine immobilized on a resin is a useful reagent for the reduction of disulfide bonds. Its ability to reduce a disulfide bond in a protein is enhanced greatly if used along with a soluble strained cyclic disulfide or mixed diselenide that relays electrons from the resin to the protein. This electron-relay catalysis system provides distinct advantages over the use of excess soluble reducing agent alone.
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Affiliation(s)
- John C. Lukesh
- Department of Chemistry, 1101 University Avenue, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Brett VanVeller
- Department of Chemistry, 1101 University Avenue, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Ronald T. Raines
- Department of Chemistry, 1101 University Avenue, University of Wisconsin–Madison, Madison, WI 53706, USA, Fax: (+1) 1-608-890-2583, Homepage: http://www.biochem.wisc.edu/faculty/raines/lab. Department of Biochemistry, 433 Babcock Drive, University of Wisconsin–Madison, Madison, WI 53706, USA
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30
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Sørensen A, Rasmussen B, Agarwal S, Schau-Magnussen M, Sølling TI, Pittelkow M. Conversion of Phenols into Selenophenols: Seleno Newman-Kwart Rearrangement. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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31
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Lukesh JC, VanVeller B, Raines RT. Thiols and Selenols as Electron-Relay Catalysts for Disulfide-Bond Reduction. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201307481] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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32
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Sørensen A, Rasmussen B, Agarwal S, Schau-Magnussen M, Sølling TI, Pittelkow M. Conversion of phenols into selenophenols: seleno Newman-Kwart rearrangement. Angew Chem Int Ed Engl 2013; 52:12346-9. [PMID: 24105866 DOI: 10.1002/anie.201303773] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Revised: 07/30/2013] [Indexed: 11/11/2022]
Abstract
A 'Se'lling point: The first thermally induced OAr →SeAr migration reaction is reported, and it can be used to prepare aryl selenols in three steps from the corresponding phenols. O-aryl selenocarbamates rearrange to Se-aryl carbamates via a four-membered transition state. The aryl selenols (isolated as the diselenides) can be prepared by hydrolysis of the Se-aryl selenocarbamates.
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Affiliation(s)
- Anne Sørensen
- University of Copenhagen, Department of Chemistry, Universitetsparken 5, 2100 Copenhagen Ø (Denmark) http://www.pittelkow.kiku.dk
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33
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34
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Metanis N, Hilvert D. Strategic Use of Non-Native Diselenide Bridges to Steer Oxidative Protein Folding. Angew Chem Int Ed Engl 2012; 51:5585-8. [DOI: 10.1002/anie.201109129] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Indexed: 11/07/2022]
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35
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Steiner AM, Woycechowsky KJ, Olivera BM, Bulaj G. Reagentless Oxidative Folding of Disulfide-Rich Peptides Catalyzed by an Intramolecular Diselenide. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201200062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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36
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Metanis N, Hilvert D. Strategic Use of Non-Native Diselenide Bridges to Steer Oxidative Protein Folding. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201109129] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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37
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Steiner AM, Woycechowsky KJ, Olivera BM, Bulaj G. Reagentless oxidative folding of disulfide-rich peptides catalyzed by an intramolecular diselenide. Angew Chem Int Ed Engl 2012; 51:5580-4. [PMID: 22454362 DOI: 10.1002/anie.201200062] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Revised: 03/03/2012] [Indexed: 11/08/2022]
Affiliation(s)
- Andrew M Steiner
- Department of Medicinal Chemistry, University of Utah, 421 Wakara Way, Suite 360, Salt Lake City, UT 84108, USA
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38
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Zhang L, Chou CP, Moo-Young M. Disulfide bond formation and its impact on the biological activity and stability of recombinant therapeutic proteins produced by Escherichia coli expression system. Biotechnol Adv 2011; 29:923-9. [DOI: 10.1016/j.biotechadv.2011.07.013] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2011] [Revised: 07/17/2011] [Accepted: 07/21/2011] [Indexed: 11/28/2022]
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39
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Metanis N, Foletti C, Beld J, Hilvert D. Selenoglutathione-Mediated Rescue of Kinetically Trapped Intermediates in Oxidative Protein Folding. Isr J Chem 2011. [DOI: 10.1002/ijch.201100105] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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40
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Mobli M, Morgenstern D, King GF, Alewood PF, Muttenthaler M. Site-Specific pKa Determination of Selenocysteine Residues in Selenovasopressin by Using 77Se NMR Spectroscopy. Angew Chem Int Ed Engl 2011; 50:11952-5. [DOI: 10.1002/anie.201104169] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Revised: 09/09/2011] [Indexed: 11/06/2022]
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41
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Mobli M, Morgenstern D, King GF, Alewood PF, Muttenthaler M. Site-Specific pKa Determination of Selenocysteine Residues in Selenovasopressin by Using 77Se NMR Spectroscopy. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201104169] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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42
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Wang GZ, Dong XY, Sun Y. Peptide disulfides CGC and RKCGC facilitate oxidative protein refolding. Biochem Eng J 2011. [DOI: 10.1016/j.bej.2011.04.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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43
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Steiner AM, Bulaj G. Optimization of oxidative folding methods for cysteine-rich peptides: a study of conotoxins containing three disulfide bridges. J Pept Sci 2011; 17:1-7. [PMID: 20814907 DOI: 10.1002/psc.1283] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The oxidative folding of small, cysteine-rich peptides to selectively achieve the native disulfide bond connectivities is critical for discovery and structure-function studies of many bioactive peptides. As the propensity to acquire the native conformation greatly depends on the peptide sequence, numerous empirical oxidation methods are employed. The context-dependent optimization of these methods has thus far precluded a generalized oxidative folding protocol, in particular for peptides containing more than two disulfides. Herein, we compare the efficacy of optimized solution-phase and polymer-supported oxidation methods using three disulfide-bridged conotoxins, namely µ-SIIIA, µ-KIIIA and ω-GVIA. The use of diselenide bridges as proxies for disulfide bridges is also evaluated. We propose the ClearOx-assisted oxidation of selenopeptides as a fairly generalized oxidative folding protocol.
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Affiliation(s)
- Andrew M Steiner
- Department of Medicinal Chemistry, University of Utah, Salt Lake City, UT 84108, USA
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44
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Wang GZ, Dong XY, Sun Y. Ion-exchange resins greatly facilitate refolding of like-charged proteins at high concentrations. Biotechnol Bioeng 2011; 108:1068-77. [DOI: 10.1002/bit.23038] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Revised: 11/23/2010] [Accepted: 12/09/2010] [Indexed: 11/12/2022]
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45
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Wang GZ, Dong XY, Sun Y. Acyl cystamine: small-molecular foldase mimics accelerating oxidative refolding of disulfide-containing proteins. Biotechnol Prog 2011; 27:377-85. [PMID: 21302368 DOI: 10.1002/btpr.517] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Revised: 08/16/2010] [Indexed: 11/12/2022]
Abstract
Based on the structural characteristic of Protein disulfide isomerases and DsbA that have hydrophobic regions around the active sites, hydrophobic alkyl tails are linked to cystamine to create new small molecular foldase mimics, acyl cystamine. Both the oxidizing power and oxidation specificity of cystamine are enhanced by n-octanoyl or n-hexanoyl tail. N-octanoyl and n-hexanoyl cystamine are very effective to facilitate oxidative protein refolding at strong reducing environments. In the presence of 0.42 mM DTT, the activity recovery of lysozyme is over 90% by 90-min refolding with 0.1 mM n-octanoyl cystamine and 0.1 mM cystamine as oxidant, while almost no activity is recovered with 0.2 mM GSSG by 160-min refolding. For the refolding of 0.2 mg/mL lysozyme, with 0.6 mM n-hexanoyl cystamine and 1.12 mM residual DTT as redox agents, the activity recovery reaches as high as 93% after refolding for only 20 min. For ribonuclease A (RNase A) refolding, with 0.4 mM n-hexanoyl cystamine and 1.30 mM DTT, the recovery of activity reaches as high as 90% within 3 h. Thus, with n-octanoyl or n-hexanoyl cystamine as the oxidants, the necessity to remove excess DTT in the reduced and denatured protein solutions can be greatly alleviated. With a moderate hydrophobicity, n-hexanoyl cystamine is promising for application in oxidative protein refolding at an extensive concentration range. It is observed that in the oxidative refolding of 0.2 mg/mL lysozyme and RNase A, only about half of n-hexanoyl cystamine is needed when compared to cystamine to achieve the same kinetic effect.
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Affiliation(s)
- Guo-Zhen Wang
- Department of Biochemical Engineering and Key Laboratory of Systems Bioengineering of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
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Yoshida S, Kumakura F, Komatsu I, Arai K, Onuma Y, Hojo H, Singh BG, Priyadarsini KI, Iwaoka M. Antioxidative Glutathione Peroxidase Activity of Selenoglutathione. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201006939] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Yoshida S, Kumakura F, Komatsu I, Arai K, Onuma Y, Hojo H, Singh BG, Priyadarsini KI, Iwaoka M. Antioxidative Glutathione Peroxidase Activity of Selenoglutathione. Angew Chem Int Ed Engl 2011; 50:2125-8. [DOI: 10.1002/anie.201006939] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2010] [Indexed: 11/09/2022]
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Beld J, Woycechowsky KJ, Hilvert D. Diselenides as universal oxidative folding catalysts of diverse proteins. J Biotechnol 2010; 150:481-9. [PMID: 20933552 DOI: 10.1016/j.jbiotec.2010.09.956] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2010] [Accepted: 09/27/2010] [Indexed: 11/18/2022]
Abstract
Small-molecule diselenides show considerable potential as catalysts of oxidative protein folding. To explore their scope, diselenide-containing redox buffers were used to promote the folding of proteins that varied in properties such as size, overall tertiary structure, number of disulfide bonds, pI value, and difficulty of in vitro folding. Diselenides are able to catalyze the oxidative folding of all proteins tested, providing significant increases in both rate and yield relative to analogous disulfides. Compared to the disulfide-linked dimer of glutathione (the most commonly used oxidant for in vitro protein folding), selenoglutathione provided markedly improved efficiencies in the folding of biotechnologically important proteins such as hirudin, lysozyme, human epidermal growth factor and interferon α-2a. Selenoglutathione also enhances the renaturation of more challenging targets such as bovine serum albumin, whose native state contains 17 disulfide bonds, and the Fab fragment of an antibody. In the latter case, micromolar amounts of selenoglutathione are able to match the modest yield provided by a previously optimized redox buffer, which contains millimolar levels of glutathione. Taken together, the folding reactions of these diverse proteins exemplify the advantages and limitations of diselenide catalysts.
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Affiliation(s)
- Joris Beld
- Laboratory of Organic Chemistry, ETH Zürich, Wolfgang Paulistrasse 10, CH-8006 Zürich, Switzerland
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Mechanism of Gemini Disulfide Detergent Mediated Oxidative Refolding of Lysozyme in a New Artificial Chaperone System. Protein J 2010; 29:457-65. [DOI: 10.1007/s10930-010-9279-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Beld J, Woycechowsky KJ, Hilvert D. Small-molecule diselenides catalyze oxidative protein folding in vivo. ACS Chem Biol 2010; 5:177-82. [PMID: 20052969 DOI: 10.1021/cb9002688] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Prokaryotic cells normally rely on periplasmic oxidoreductases to promote oxidative protein folding. Here we show that simple diselenides can also facilitate the conversion of dithiols to disulfides in vivo, functionally replacing one such oxidoreductase, DsbA, in the oxidative folding of diverse proteins. Structurally analogous disulfides provide no detectable effect when used at concentrations that gave optimal activity with diselenides, and even at 100- to 1000-fold higher levels they show only partial activity. The low concentrations of diselenides needed to fully negate typical DsbA knockout phenotypes suggest catalysis in vivo, a property that sets these additives apart from other small molecules used in chemical biology. Supplementing growth media with cell-permeable organocatalysts provides a potentially general and operationally simple means of fine-tuning the cellular redox environment.
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Affiliation(s)
- Joris Beld
- Laboratory of Organic Chemistry, ETH Zürich, Hönggerberg HCI F339, CH-8093 Zürich, Switzerland
| | - Kenneth J. Woycechowsky
- Laboratory of Organic Chemistry, ETH Zürich, Hönggerberg HCI F339, CH-8093 Zürich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zürich, Hönggerberg HCI F339, CH-8093 Zürich, Switzerland
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