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Bharmoria P, Tietze AA, Mondal D, Kang TS, Kumar A, Freire MG. Do Ionic Liquids Exhibit the Required Characteristics to Dissolve, Extract, Stabilize, and Purify Proteins? Past-Present-Future Assessment. Chem Rev 2024; 124:3037-3084. [PMID: 38437627 PMCID: PMC10979405 DOI: 10.1021/acs.chemrev.3c00551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 02/08/2024] [Accepted: 02/19/2024] [Indexed: 03/06/2024]
Abstract
Proteins are highly labile molecules, thus requiring the presence of appropriate solvents and excipients in their liquid milieu to keep their stability and biological activity. In this field, ionic liquids (ILs) have gained momentum in the past years, with a relevant number of works reporting their successful use to dissolve, stabilize, extract, and purify proteins. Different approaches in protein-IL systems have been reported, namely, proteins dissolved in (i) neat ILs, (ii) ILs as co-solvents, (iii) ILs as adjuvants, (iv) ILs as surfactants, (v) ILs as phase-forming components of aqueous biphasic systems, and (vi) IL-polymer-protein/peptide conjugates. Herein, we critically analyze the works published to date and provide a comprehensive understanding of the IL-protein interactions affecting the stability, conformational alteration, unfolding, misfolding, and refolding of proteins while providing directions for future studies in view of imminent applications. Overall, it has been found that the stability or purification of proteins by ILs is bispecific and depends on the structure of both the IL and the protein. The most promising IL-protein systems are identified, which is valuable when foreseeing market applications of ILs, e.g., in "protein packaging" and "detergent applications". Future directions and other possibilities of IL-protein systems in light-harvesting and biotechnology/biomedical applications are discussed.
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Affiliation(s)
- Pankaj Bharmoria
- CICECO
- Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
- Department
of Smart Molecular, Inorganic and Hybrid Materials, Institute of Materials Science of Barcelona (ICMAB-CSIC), 08193 Bellaterra, Barcelona, Spain
- Department
of Chemistry and Molecular Biology, Wallenberg Centre for Molecular
and Translational Medicine, University of
Gothenburg, SE-412 96 Göteborg, Sweden
| | - Alesia A. Tietze
- Department
of Chemistry and Molecular Biology, Wallenberg Centre for Molecular
and Translational Medicine, University of
Gothenburg, SE-412 96 Göteborg, Sweden
| | - Dibyendu Mondal
- CICECO
- Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
- Institute
of Plant Genetics (IPG), Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland
- Centre
for Nano and Material Sciences, JAIN (Deemed-to-be
University), Jain Global
Campus, Bangalore 562112, India
| | - Tejwant Singh Kang
- Department
of Chemistry, UGC Center for Advance Studies-II,
Guru Nanak Dev University (GNDU), Amritsar 143005, Punjab, India
| | - Arvind Kumar
- Salt
and Marine Chemicals Division, CSIR-Central
Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, Gujarat, India
| | - Mara G Freire
- CICECO
- Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
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2
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Shamshina JL, Rogers RD. Ionic Liquids: New Forms of Active Pharmaceutical Ingredients with Unique, Tunable Properties. Chem Rev 2023; 123:11894-11953. [PMID: 37797342 DOI: 10.1021/acs.chemrev.3c00384] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
This Review aims to summarize advances over the last 15 years in the development of active pharmaceutical ingredient ionic liquids (API-ILs), which make up a prospective game-changing strategy to overcome multiple problems with conventional solid-state drugs, for example, polymorphism. A critical part of the present Review is the collection of API-ILs and deep eutectic solvents (DESs) prepared to date. The Review covers rules for rational design of API-ILs and tools for API-IL formation, syntheses, and characterization. Nomenclature and ionic speciation, and the confusion that these may cause, are highlighted, particularly for speciation in both ILs and DESs of intermediate ionicity. We also highlight in vivo and in vitro pharmaceutical activity studies, with differences in pharmacokinetic/pharmacodynamic depending on ionicity of API-ILs. A brief overview is provided for the ILs used to deliver drugs, and the Review concludes with key prospects and roadblocks in translating API-ILs into pharmaceutical manufacturing.
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Affiliation(s)
- Julia L Shamshina
- Fiber and Biopolymer Research Institute (FBRI), Texas Tech University, Lubbock, Texas 79409, United States
| | - Robin D Rogers
- 525 Solutions, Inc., P.O. Box 2206, Tuscaloosa, Alabama 35403, United States
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3
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Zhao H, Baker GA. Functionalized Ionic Liquids for CO 2 Capture under Ambient Pressure. GREEN CHEMISTRY LETTERS AND REVIEWS 2022; 16:2149280. [PMID: 37304337 PMCID: PMC10254919 DOI: 10.1080/17518253.2022.2149280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 11/15/2022] [Indexed: 06/13/2023]
Abstract
Ionic liquids (ILs) have been widely explored as alternative solvents for carbon dioxide (CO2) capture and utilization. However, most of these processes are under pressures significantly higher than atmospheric level, which not only levies additional equipment and operation costs, but also makes the large-scale CO2 capture and conversion less practical. In this study, we rationally designed glycol ether-functionalized imidazolium, phosphonium and ammonium ILs containing acetate (OAc-) or Tf2N- anions, and found these task-specific ILs could solubilize up to 0.55 mol CO2 per mole of IL (or 5.9 wt% CO2) at room temperature and atmospheric pressure. Although acetate anions enabled a better capture of CO2, Tf2N- anions are more compatible with alcohol dehydrogenase (ADH), which is a key enzyme involved in the cascade enzymatic conversion of CO2 to methanol. Our promising results indicate the possibility of CO2 capture under ambient pressure and its enzymatic conversion to valuable commodity.
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Affiliation(s)
- Hua Zhao
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN 55108, USA
| | - Gary A. Baker
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
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4
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Kaur M, Singh G, Kaur A, Sharma PK, Kang TS. Thermally Stable Ionic Liquid-Based Microemulsions for High-Temperature Stabilization of Lysozyme at Nanointerfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4085-4093. [PMID: 30810316 DOI: 10.1021/acs.langmuir.9b00106] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The development of new strategies for thermal stability and storage of enzymes is very important, considering the nonretention of catalytic activity by enzymes under harsh conditions of temperature. Following this, herein, a new approach based on the interfacial adsorption of lysozyme (LYZ) at nanointerfaces of ionic liquid (IL)-based microemulsions, for enhanced thermal stability of LYZ, is reported. Microemulsions (MEs) composed of dialkyl imidazolium-based surface active ILs (SAILs) as surfactants, ILs as the nonpolar phase, and ethylene glycol (EG) as the polar phase, without any cosurfactants, have been prepared and characterized in detail. Various regions corresponding to polar-in-IL, bicontinuous, and IL-in-polar phases have been characterized using conductivity measurements. Dynamic light scattering (DLS) measurements have provided insights into the size distribution of microdroplets, whereas temperature-dependent DLS measurements established the thermal stability of the MEs. Nanointerfaces formed by SAILs with EG in thermally stable reverse MEs act as fluid scaffolds to adsorb and provide thermal stability, up to 120 °C, to LYZ. Thermally treated LYZ upon extraction into a buffer shows enzyme activity owing to negligible change in the active site of LYZ, as marked by retention of microenvironment of Trp residues present in the active site of LYZ. The present work is expected to establish a new platform for the development of novel nanointerfaces utilizing biobased components for other biomedical applications.
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Affiliation(s)
- Manvir Kaur
- Department of Chemistry, UGC Sponsored Centre for Advanced Studies-II , Guru Nanak Dev University , Amritsar 143005 , India
| | - Gurbir Singh
- Department of Chemistry, UGC Sponsored Centre for Advanced Studies-II , Guru Nanak Dev University , Amritsar 143005 , India
| | - Anupreet Kaur
- Department of Chemistry, UGC Sponsored Centre for Advanced Studies-II , Guru Nanak Dev University , Amritsar 143005 , India
| | - Pushpender Kumar Sharma
- Department of Biotechnology , Sri Guru Granth Sahib World University , Fatehgarh Sahib 140406 , India
| | - Tejwant Singh Kang
- Department of Chemistry, UGC Sponsored Centre for Advanced Studies-II , Guru Nanak Dev University , Amritsar 143005 , India
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5
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The effects of biological buffers TRIS, TAPS, TES on the stability of lysozyme. Int J Biol Macromol 2018; 112:720-727. [DOI: 10.1016/j.ijbiomac.2018.01.203] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/23/2018] [Accepted: 01/30/2018] [Indexed: 12/20/2022]
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6
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D'Oronzo E, Secundo F, Minofar B, Kulik N, Pometun AA, Tishkov VI. Activation/Inactivation Role of Ionic Liquids on Formate Dehydrogenase fromPseudomonassp. 101 and Its Mutated Thermostable Form. ChemCatChem 2018. [DOI: 10.1002/cctc.201800145] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Erica D'Oronzo
- Istituto di Chimica del Riconoscimento Molecolare, CNR; Via Mario Bianco 9 20131 Milan Italy
| | - Francesco Secundo
- Istituto di Chimica del Riconoscimento Molecolare, CNR; Via Mario Bianco 9 20131 Milan Italy
| | - Babak Minofar
- Institute of Microbiology; Academy of, Sciences of the Czech Republic; Zamek 136 37333 Nove Hrady Czech Republic
- Faculty of Science; University of South Bohemia; Branišovská 1760 37005 České Budějovice Czech Republic
| | - Natallia Kulik
- Institute of Microbiology; Academy of, Sciences of the Czech Republic; Zamek 136 37333 Nove Hrady Czech Republic
| | - Anastasia A. Pometun
- Innovations and High Technologies MSU Ltd.; Tsymlyanskaya ul., 16-96 109451 Moscow Russian Federation
- A.N. Bach Institute of Biochemistry; Research Center, of Biotechnology of the Russian Academy of Sciences; bld. 2 Leninsky Ave. Moscow 119071 Russian Federation
| | - Vladimir I. Tishkov
- Innovations and High Technologies MSU Ltd.; Tsymlyanskaya ul., 16-96 109451 Moscow Russian Federation
- Chemistry Faculty; M.V. Lomonosov Moscow State University; Leninskie Gory 1-3 119991 Moscow Russian Federation
- A.N. Bach Institute of Biochemistry; Research Center, of Biotechnology of the Russian Academy of Sciences; bld. 2 Leninsky Ave. Moscow 119071 Russian Federation
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7
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Wang J, Yuan C, Han Y, Wang Y, Liu X, Zhang S, Yan X. Trace Water as Prominent Factor to Induce Peptide Self-Assembly: Dynamic Evolution and Governing Interactions in Ionic Liquids. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1702175. [PMID: 28976074 DOI: 10.1002/smll.201702175] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 08/12/2017] [Indexed: 05/22/2023]
Abstract
The interaction between water and biomolecules including peptides is of critical importance for forming high-level architectures and triggering life's functions. However, the bulk aqueous environment has limitations in detecting the kinetics and mechanisms of peptide self-assembly, especially relating to interactions of trace water. With ionic liquids (ILs) as a nonconventional medium, herein, it is discovered that trace amounts of water play a decisive role in triggering self-assembly of a biologically derived dipeptide. ILs provide a suitable nonaqueous environment, enabling us to mediate water content and follow the dynamic evolution of peptide self-assembly. The trace water is found to be involved in the assembly process of dipeptide, especially leading to the formation of stable noncovalent dipeptide oligomers in the early stage of nucleation, as evident by both experimental studies and theoretical simulations. The thermodynamics of the growth process is mainly governed by a synergistic effect of hydrophobic interaction and hydrogen bonds. Each step of assembly presents a different trend in thermodynamic energy. The dynamic evolution of assembly process can be efficiently mediated by changing trace water content. The decisive role of trace water in triggering and mediating self-assembly of biomolecules provides a new perspective in understanding supramolecular chemistry and molecular self-organization in biology.
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Affiliation(s)
- Juan Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chengqian Yuan
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuchun Han
- Key Laboratory of Colloid and Interface Science, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yilin Wang
- Key Laboratory of Colloid and Interface Science, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xiaomin Liu
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Suojiang Zhang
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xuehai Yan
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
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8
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Prospects of ionic liquids application in electronic and bioelectronic nose instruments. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.05.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Kumar A, Bisht M, Venkatesu P. Biocompatibility of ionic liquids towards protein stability: A comprehensive overview on the current understanding and their implications. Int J Biol Macromol 2017; 96:611-651. [DOI: 10.1016/j.ijbiomac.2016.12.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 12/02/2016] [Accepted: 12/04/2016] [Indexed: 10/20/2022]
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10
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Enzymatic Hydrolytic Resolution of Racemic Ibuprofen Ethyl Ester Using an Ionic Liquid as Cosolvent. Molecules 2016; 21:molecules21070905. [PMID: 27420042 PMCID: PMC6274346 DOI: 10.3390/molecules21070905] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Revised: 06/27/2016] [Accepted: 07/07/2016] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to develop an ionic liquid (IL) system for the enzymatic resolution of racemic ibuprofen ethyl ester to produce (S)-ibuprofen. Nineteen ILs were selected for use in buffer systems to investigate the effects of ILs as cosolvents for the production of (S)-ibuprofen using thermostable esterase (EST10) from Thermotoga maritima. Analysis of the catalytic efficiency and conformation of EST10 showed that [OmPy][BF₄] was the best medium for the EST10-catalyzed production of (S)-ibuprofen. The maximum degree of conversion degree (47.4%), enantiomeric excess of (S)-ibuprofen (96.6%) and enantiomeric ratio of EST10 (177.0) were achieved with an EST10 concentration of 15 mg/mL, racemic ibuprofen ethyl ester concentration of 150 mM, at 75 °C , with a reaction time of 10 h. The reaction time needed to achieve the highest yield of (S)-ibuprofen was decreased from 24 h to 10 h. These results are relevant to the proposed application of ILs as solvents for the EST10-catalyzed production of (S)-ibuprofen.
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11
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Zhao H. Protein Stabilization and Enzyme Activation in Ionic Liquids: Specific Ion Effects. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (OXFORD, OXFORDSHIRE : 1986) 2016; 91:25-50. [PMID: 26949281 PMCID: PMC4777319 DOI: 10.1002/jctb.4837] [Citation(s) in RCA: 186] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 10/12/2015] [Indexed: 05/08/2023]
Abstract
There are still debates on whether the hydration of ions perturbs the water structure, and what is the degree of such disturbance; therefore, the origin of Hofmeister effect on protein stabilization continues being questioned. For this reason, it is suggested to use the 'specific ion effect' instead of other misleading terms such as Hofmeister effect, Hofmeister series, lyotropic effect, and lyotropic series. In this review, we firstly discuss the controversial aspect of inorganic ion effects on water structures, and several possible contributors to the specific ion effect of protein stability. Due to recent overwhelming attraction of ionic liquids (ILs) as benign solvents in many enzymatic reactions, we further evaluate the structural properties and molecular-level interactions in neat ILs and their aqueous solutions. Next, we systematically compare the specific ion effects of ILs on enzyme stability and activity, and conclude that (a) the specificity of many enzymatic systems in diluted aqueous IL solutions is roughly in line with the traditional Hofmeister series albeit some exceptions; (b) however, the specificity follows a different track in concentrated or neat ILs because other factors (such as hydrogen-bond basicity, nucelophilicity, and hydrophobicity, etc) are playing leading roles. In addition, we demonstrate some examples of biocatalytic reactions in IL systems that are guided by the empirical specificity rule.
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Affiliation(s)
- Hua Zhao
- Department of Chemistry and Forensic Science, Savannah State University, Savannah, GA 31404, USA
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12
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Wei T, Jia W, Yu X, Mao D. Enhancement of enzymatic synthesis of sucrose 6-acetate with Aspergillus oryzae fructosyltransferase using ionic liquid as a cosolvent. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2015.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Bisht M, Kumar A, Venkatesu P. Analysis of the driving force that rule the stability of lysozyme in alkylammonium-based ionic liquids. Int J Biol Macromol 2015; 81:1074-81. [PMID: 26410812 DOI: 10.1016/j.ijbiomac.2015.09.036] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 09/21/2015] [Accepted: 09/22/2015] [Indexed: 12/21/2022]
Abstract
Ionic liquids (ILs) have found various applications in the field of biotechnology that involves protein extraction from the aqueous phase. However, the stability of biomolecules in ILs is still unpredictable. Therefore, this work aims to understand the effect of ammonium-based ILs with a fixed (trifluoromethylsulfonyl)imide [NTf2](-) anion and variable ammonium cations such as butyltrimethylammonium (IL-1), ethyldimethylpropylammonium (IL-2), diethylmethyl(2-methoxyethyl)ammonium (IL-3) and methyl-trioctylammonium (IL-4) on the stability of lysozyme. The spectroscopic analysis (UV, fluorescence and circular dichroism (CD)) revealed the existence of native structure of lysozyme in the presence of ILs at 25°C. Evidently, the presence of α-helix structure in lysozyme was confirmed using CD spectroscopy. In contrary, the thermal stability of the protein gradually decreased with increase in the concentration of the ILs. This was due to the strong favorable interactions of the ILs with the amino acid residues of the protein. Further, Nile red fluorescence revealed existence of the hydrophobic interactions between ILs and the lysozyme. Hence, due to its immense hydrophobic character, IL-4 thereby, decreased the catalytic activity and stability of the lysozyme to a greater extent.
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Affiliation(s)
- Meena Bisht
- Department of Chemistry, University of Delhi, Delhi 110 007, India
| | - Awanish Kumar
- Department of Chemistry, University of Delhi, Delhi 110 007, India
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14
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Gupta BS, Taha M, Lee MJ. Self-buffering and biocompatible ionic liquid based biological media for enzymatic research. RSC Adv 2015. [DOI: 10.1039/c5ra16317j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
New self-buffering Good's buffer ionic liquids (GBILs) were synthesized for biological research.
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Affiliation(s)
- Bhupender S. Gupta
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei 106-07
- Taiwan
| | - Mohamed Taha
- Departamento de Química
- CICECO
- Universidade de Aveiro
- 3810-193 Aveiro
- Portugal
| | - Ming-Jer Lee
- Department of Chemical Engineering
- National Taiwan University of Science and Technology
- Taipei 106-07
- Taiwan
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15
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The minimizing of fluorescence background in Raman optical activity and Raman spectra of human blood plasma. Anal Bioanal Chem 2014; 407:1335-42. [DOI: 10.1007/s00216-014-8358-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 10/29/2014] [Accepted: 11/19/2014] [Indexed: 01/12/2023]
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16
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Carter JLL, Bekhouche M, Noiriel A, Blum LJ, Doumèche B. Directed evolution of a formate dehydrogenase for increased tolerance to ionic liquids reveals a new site for increasing the stability. Chembiochem 2014; 15:2710-8. [PMID: 25346488 DOI: 10.1002/cbic.201402501] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Indexed: 12/18/2022]
Abstract
The formate dehydrogenase (FDH) from Candida boidinii is a well-known enzyme in biocatalysis for NADH regeneration. Nevertheless, it has low activity in a water-miscible ionic liquid (1,3-dimethylimidazolium dimethyl phosphate, [MMIm][Me2 PO4 ]). In this work, this enzyme was subjected to directed evolution by using error-prone PCR, and a mutant (N187S/T321S) displaying higher activity was obtained following selection based on the formazan-based colorimetric assay. The mutation N187S is responsible for improved activity both in aqueous solution and in [MMIm][Me2 PO4 ], through an enhancement of the kcat value by a factor of 5.8. Fluorescence experiments performed in the presence of a quenching agent revealed that the mutant does not unfold in the presence of 50 % (v/v) [MMIm][Me2 PO4 ] whereas the wild-type enzyme does. Molecular modelling revealed that the mutation is located at the monomer-monomer interface and causes an increase in the pKa of residue E163 from 4.8 to 5.5. Calculation of the pKa of this residue in other microbial FDHs showed that thermostable FDHs have a highly basic glutamate at this position (pKa up to 6.2). We have identified a new site for improving FDH thermostability and tolerance to ionic liquids, and it is linked to the local charge of the enzymes in this class.
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Affiliation(s)
- Julie L L Carter
- Génie Enzymatique, Membranes Biomimétiques et Assemblages Supramoléculaires (GEMBAS), Institut de Chimie et Biochimie Moléculaire et Supramoléculaire (ICBMS), UMR CNRS 5246, Université Claude Bernard Lyon 1, 43 boulevard du 11 Novembre 1918, Villeurbanne 69622 (France)
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17
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Gupta BS, Taha M, Lee MJ. Superactivity of α-chymotrypsin with biological buffers, TRIS, TES, TAPS, and TAPSO in aqueous solutions. RSC Adv 2014. [DOI: 10.1039/c4ra09434d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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18
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Attri P, Jha I, Choi EH, Venkatesu P. Variation in the structural changes of myoglobin in the presence of several protic ionic liquid. Int J Biol Macromol 2014; 69:114-23. [DOI: 10.1016/j.ijbiomac.2014.05.032] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 05/12/2014] [Accepted: 05/14/2014] [Indexed: 11/27/2022]
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19
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Kumar A, Venkatesu P. Does the stability of proteins in ionic liquids obey the Hofmeister series? Int J Biol Macromol 2013; 63:244-53. [PMID: 24211268 DOI: 10.1016/j.ijbiomac.2013.10.031] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Revised: 10/23/2013] [Accepted: 10/24/2013] [Indexed: 11/27/2022]
Abstract
Understanding the behavior of Hofmeister anions of ionic liquids (ILs) on protein stability helps to shed light on how the anions interact with proteins in aqueous solution and is a long standing object for chemistry and biochemistry. Ions effects play a major role in understanding the physicochemical and biological phenomenon that undertakes the protein folding/unfolding and refolding process. Despite the generality of these effects, our understanding of ions at the molecular-level is still limited. This review offers a tour through past successful investigations and presents a challenge in current research in the field to reassess the possibilities of ions and to apply new strategies. This review highlights on the stability behavior of the proteins and also comparisons of our past research work in the Hofmeister series of ILs. Furthermore, we specifically focus on the critical discussion on the recent findings with existing results and their implications, along with our understanding of the Hofmeister series of anions of ILs on biomolecular stability. A detailed examination of the difference between selective proteins can provide a better understanding of the molecular mechanism of protein folding/unfolding in the presence of the Hofmeister series of ions of ILs.
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Affiliation(s)
- Awanish Kumar
- Department of Chemistry, University of Delhi, Delhi 110 007, India
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20
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Gupta BS, Taha M, Lee MJ. Interactions of bovine serum albumin with biological buffers, TES, TAPS, and TAPSO in aqueous solutions. Process Biochem 2013. [DOI: 10.1016/j.procbio.2013.08.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Nordwald EM, Kaar JL. Mediating Electrostatic Binding of 1-Butyl-3-methylimidazolium Chloride to Enzyme Surfaces Improves Conformational Stability. J Phys Chem B 2013; 117:8977-86. [DOI: 10.1021/jp404760w] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Erik M. Nordwald
- Department of Chemical
and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United
States
| | - Joel L. Kaar
- Department of Chemical
and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United
States
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22
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Sgarbossa A, Lenci F. A Study for the Cause of Ferulic Acid-Induced Quenching of Tyrosine Fluorescence and Whether it is a Reliable Marker of Intermolecular Interactions or Not. J Fluoresc 2013; 23:561-7. [DOI: 10.1007/s10895-013-1180-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 02/24/2013] [Indexed: 12/30/2022]
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23
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24
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Qian Y, Xu X, Wang Q, Wu P, Zhang H, Cai C. Electrochemical probing of the solution pH-induced structural alterations around the heme group in myoglobin. Phys Chem Chem Phys 2013; 15:16941-8. [DOI: 10.1039/c3cp52352g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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25
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Wang X, Liu J, Sun L, Yu L, Jiao J, Wang R. Interaction of Bovine Serum Albumin with Ester-Functionalized Anionic Surface-Active Ionic Liquids in Aqueous Solution: A Detailed Physicochemical and Conformational Study. J Phys Chem B 2012; 116:12479-88. [DOI: 10.1021/jp307516a] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xiaoqing Wang
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
| | - Jie Liu
- Department of Chemistry, Liaocheng University, Liaocheng 252059, People's Republic
of China
| | - Limei Sun
- Working Station
for Postdoctoral
Scientific Research in Shengli Oil Field, Dongying, 257002, People's
Republic of China
| | - Li Yu
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
| | - Jingjing Jiao
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
| | - Rui Wang
- Key Laboratory of Colloid and
Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, People's Republic of China
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26
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Lu L, Hu Y, Huang X, Qu Y. A Bioelectrochemical Method for the Quantitative Description of the Hofmeister Effect of Ionic Liquids in Aqueous Solution. J Phys Chem B 2012; 116:11075-80. [DOI: 10.1021/jp3054263] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lu Lu
- Key Laboratory of Colloid & Interface Chemistry of the Education Ministry of China, Shandong University, Jinan 250100, People's Republic of China
| | - Yan Hu
- Key Laboratory of Colloid & Interface Chemistry of the Education Ministry of China, Shandong University, Jinan 250100, People's Republic of China
| | - Xirong Huang
- Key Laboratory of Colloid & Interface Chemistry of the Education Ministry of China, Shandong University, Jinan 250100, People's Republic of China
- State Key Laboratory
of Microbial Technology of China, Shandong University, Jinan 250100, People's Republic of China
| | - Yinbo Qu
- State Key Laboratory
of Microbial Technology of China, Shandong University, Jinan 250100, People's Republic of China
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27
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Naushad M, Alothman ZA, Khan AB, Ali M. Effect of ionic liquid on activity, stability, and structure of enzymes: a review. Int J Biol Macromol 2012; 51:555-60. [PMID: 22732130 DOI: 10.1016/j.ijbiomac.2012.06.020] [Citation(s) in RCA: 184] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 06/12/2012] [Accepted: 06/14/2012] [Indexed: 10/28/2022]
Abstract
Ionic liquids have shown their potential as a solvent media for many enzymatic reactions as well as protein preservation, because of their unusual characteristics. It is also observed that change in cation or anion alters the physiochemical properties of the ionic liquids, which in turn influence the enzymatic reactions by altering the structure, activity, enatioselectivity, and stability of the enzymes. Thus, it is utmost need of the researchers to have full understanding of these influences created by ionic liquids before choosing or developing an ionic liquid to serve as solvent media for enzymatic reaction or protein preservation. So, in the present review, we try to shed light on effects of ionic liquids chemistry on structure, stability, and activity of enzymes, which will be helpful for the researchers in various biocatalytic applications.
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Affiliation(s)
- Mu Naushad
- Advanced Materials Research Chair, Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
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