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Martínez-Rodríguez S, Torres JM, Sánchez P, Ortega E. Overview on Multienzymatic Cascades for the Production of Non-canonical α-Amino Acids. Front Bioeng Biotechnol 2020; 8:887. [PMID: 32850740 PMCID: PMC7431475 DOI: 10.3389/fbioe.2020.00887] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/09/2020] [Indexed: 12/11/2022] Open
Abstract
The 22 genetically encoded amino acids (AAs) present in proteins (the 20 standard AAs together with selenocysteine and pyrrolysine), are commonly referred as proteinogenic AAs in the literature due to their appearance in ribosome-synthetized polypeptides. Beyond the borders of this key set of compounds, the rest of AAs are generally named imprecisely as non-proteinogenic AAs, even when they can also appear in polypeptide chains as a result of post-transductional machinery. Besides their importance as metabolites in life, many of D-α- and L-α-"non-canonical" amino acids (NcAAs) are of interest in the biotechnological and biomedical fields. They have found numerous applications in the discovery of new medicines and antibiotics, drug synthesis, cosmetic, and nutritional compounds, or in the improvement of protein and peptide pharmaceuticals. In addition to the numerous studies dealing with the asymmetric synthesis of NcAAs, many different enzymatic pathways have been reported in the literature allowing for the biosynthesis of NcAAs. Due to the huge heterogeneity of this group of molecules, this review is devoted to provide an overview on different established multienzymatic cascades for the production of non-canonical D-α- and L-α-AAs, supplying neophyte and experienced professionals in this field with different illustrative examples in the literature. Whereas the discovery of new or newly designed enzymes is of great interest, dusting off previous enzymatic methodologies by a "back and to the future" strategy might accelerate the implementation of new or improved multienzymatic cascades.
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52
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Zhang J, Zhao Y, Li C, Song H. Multi-enzyme pyruvate removal system to enhance ( R)-selective reductive amination of ketones. RSC Adv 2020; 10:28984-28991. [PMID: 35520080 PMCID: PMC9055928 DOI: 10.1039/d0ra06140a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 07/28/2020] [Indexed: 01/28/2023] Open
Abstract
Biocatalytic transamination is widely used in industrial production of chiral chemicals. Here, we constructed a novel multi-enzyme system to promote the conversion of the amination reaction. Firstly, we constructed the ArR-ωTA/TdcE/FDH/LDH multi-enzyme system, by combination of (R)-selective ω-transaminase derived from Arthrobacter sp. (ArR-ωTA), formate dehydrogenase (FDH) derived from Candida boidinii, formate acetyltransferase (TdcE) and lactate dehydrogenase (LDH) derived from E. coli MG1655. This multi-enzyme system was used to efficiently remove the by-product pyruvate by TdcE and LDH to facilitate the transamination reaction. The TdcE/FDH pathway was found to dominate the by-product pyruvate removal in the transamination reaction. Secondly, we optimized the reaction conditions, including d-alanine, DMSO, and pyridoxal phosphate (PLP) with different concentration of 2-pentanone (as a model substrate). Thirdly, by using the ArR-ωTA/TdcE/FDH/LDH system, the conversions of 2-pentanone, 4-phenyl-2-butanone and cyclohexanone were 84.5%, 98.2% and 79.3%, respectively. The ArR-ωTA/TdcE/FDH/LDH system is an efficient system for increasing the conversion in the transamination reaction.![]()
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Affiliation(s)
- Jinhua Zhang
- Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (MOE), School of Chemical Engineering and Technology, Tianjin University Tianjin 300350 P. R. China +86-18722024233
| | - Yanshu Zhao
- Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (MOE), School of Chemical Engineering and Technology, Tianjin University Tianjin 300350 P. R. China +86-18722024233
| | - Chao Li
- Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (MOE), School of Chemical Engineering and Technology, Tianjin University Tianjin 300350 P. R. China +86-18722024233
| | - Hao Song
- Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (MOE), School of Chemical Engineering and Technology, Tianjin University Tianjin 300350 P. R. China +86-18722024233
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53
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Soluble expression and biomimetic immobilization of a ω-transaminase from Bacillus subtilis: Development of an efficient and recyclable biocatalyst. Biochem Eng J 2020. [DOI: 10.1016/j.bej.2020.107635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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54
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Böhmer W, Koenekoop L, Simon T, Mutti FG. Parallel Interconnected Kinetic Asymmetric Transformation (PIKAT) with an Immobilized ω-Transaminase in Neat Organic Solvent. Molecules 2020; 25:E2140. [PMID: 32375267 PMCID: PMC7248775 DOI: 10.3390/molecules25092140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/27/2020] [Accepted: 04/30/2020] [Indexed: 01/27/2023] Open
Abstract
Comprising approximately 40% of the commercially available optically active drugs, α-chiral amines are pivotal for pharmaceutical manufacture. In this context, the enzymatic asymmetric amination of ketones represents a more sustainable alternative than traditional chemical procedures for chiral amine synthesis. Notable advantages are higher atom-economy and selectivity, shorter synthesis routes, milder reaction conditions and the elimination of toxic catalysts. A parallel interconnected kinetic asymmetric transformation (PIKAT) is a cascade in which one or two enzymes use the same cofactor to convert two reagents into more useful products. Herein, we describe a PIKAT catalyzed by an immobilized ω-transaminase (ωTA) in neat toluene, which concurrently combines an asymmetric transamination of a ketone with an anti-parallel kinetic resolution of an amine racemate. The applicability of the PIKAT was tested on a set of prochiral ketones and racemic α-chiral amines in a 1:2 molar ratio, which yielded elevated conversions (up to >99%) and enantiomeric excess (ee, up to >99%) for the desired products. The progress of the conversion and ee was also monitored in a selected case. This is the first report of a PIKAT using an immobilized ωTA in a non-aqueous environment.
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Affiliation(s)
| | | | | | - Francesco G. Mutti
- Van ‘t Hoff Institute for Molecular Sciences, HIMS Biocat, University of Amsterdam, 1098 XH Amsterdam, The Netherlands; (W.B.); (L.K.); (T.S.)
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55
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Zhang YH, Chen FF, Li BB, Zhou XY, Chen Q, Xu JH, Zheng GW. Stereocomplementary Synthesis of Pharmaceutically Relevant Chiral 2-Aryl-Substituted Pyrrolidines Using Imine Reductases. Org Lett 2020; 22:3367-3372. [DOI: 10.1021/acs.orglett.0c00802] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yu-Hui Zhang
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Fei-Fei Chen
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Bo-Bo Li
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xin-Yi Zhou
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Qi Chen
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jian-He Xu
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Gao-Wei Zheng
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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56
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Claaßen C, Mack K, Rother D. Benchtop NMR for Online Reaction Monitoring of the Biocatalytic Synthesis of Aromatic Amino Alcohols. ChemCatChem 2020; 12:1190-1199. [PMID: 32194875 PMCID: PMC7074048 DOI: 10.1002/cctc.201901910] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/19/2019] [Indexed: 01/25/2023]
Abstract
Online analytics provides insights into the progress of an ongoing reaction without the need for extensive sampling and offline analysis. In this study, we investigated benchtop NMR as an online reaction monitoring tool for complex enzyme cascade reactions. Online NMR was used to monitor a two-step cascade beginning with an aromatic aldehyde and leading to an aromatic amino alcohol as the final product, applying two different enzymes and a variety of co-substrates and intermediates. Benchtop NMR enabled the concentration of the reaction components to be detected in buffered systems in the single-digit mM range without using deuterated solvent. The concentrations determined via NMR were correlated with offline samples analyzed via uHPLC and displayed a good correlation between the two methods. In summary, benchtop NMR proved to be a sensitive, selective and reliable method for online reaction monitoring in (multi-step) biosynthesis. In future, online analytic systems such as the benchtop NMR devices described might not only enable direct monitoring of the reaction, but may also form the basis for self-regulation in biocatalytic reactions.
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Affiliation(s)
- C. Claaßen
- Institute of Bio- and Geosciences – Biotechnology (IBG-1)Forschungszentrum Jülich GmbH52425JülichGermany
| | - K. Mack
- Institute of Bio- and Geosciences – Biotechnology (IBG-1)Forschungszentrum Jülich GmbH52425JülichGermany
- Aachen Biology and Biotechnology (ABBt)RWTH Aachen University52074AachenGermany
| | - D. Rother
- Institute of Bio- and Geosciences – Biotechnology (IBG-1)Forschungszentrum Jülich GmbH52425JülichGermany
- Aachen Biology and Biotechnology (ABBt)RWTH Aachen University52074AachenGermany
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57
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Fluorescence-based high-throughput screening system for R-ω-transaminase engineering and its substrate scope extension. Appl Microbiol Biotechnol 2020; 104:2999-3009. [DOI: 10.1007/s00253-020-10444-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 01/29/2020] [Accepted: 02/06/2020] [Indexed: 12/14/2022]
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58
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Chen H, Prater MB, Cai R, Dong F, Chen H, Minteer SD. Bioelectrocatalytic Conversion from N2 to Chiral Amino Acids in a H2/α-Keto Acid Enzymatic Fuel Cell. J Am Chem Soc 2020; 142:4028-4036. [DOI: 10.1021/jacs.9b13968] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Hui Chen
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Matthew B. Prater
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Rong Cai
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Fangyuan Dong
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Hsiaonung Chen
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Shelley D. Minteer
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
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59
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Semproli R, Vaccaro G, Ferrandi EE, Vanoni M, Bavaro T, Marrubini G, Annunziata F, Conti P, Speranza G, Monti D, Tamborini L, Ubiali D. Use of Immobilized Amine Transaminase from
Vibrio fluvialis
under Flow Conditions for the Synthesis of (
S
)‐1‐(5‐Fluoropyrimidin‐2‐yl)‐ethanamine. ChemCatChem 2020. [DOI: 10.1002/cctc.201902080] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Riccardo Semproli
- Department of Drug SciencesUniversity of Pavia Viale Taramelli 12 Pavia I-27100 Italy
| | - Gianmarco Vaccaro
- Department of Drug SciencesUniversity of Pavia Viale Taramelli 12 Pavia I-27100 Italy
- Department of Pharmaceutical SciencesUniversity of Milano Via Mangiagalli 25 Milano I-20133 Italy
| | - Erica E. Ferrandi
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” (SCITEC) - CNR Via Bianco 9 Milano I-20131 Italy
| | - Marta Vanoni
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” (SCITEC) - CNR Via Bianco 9 Milano I-20131 Italy
| | - Teodora Bavaro
- Department of Drug SciencesUniversity of Pavia Viale Taramelli 12 Pavia I-27100 Italy
| | - Giorgio Marrubini
- Department of Drug SciencesUniversity of Pavia Viale Taramelli 12 Pavia I-27100 Italy
| | - Francesca Annunziata
- Department of Pharmaceutical SciencesUniversity of Milano Via Mangiagalli 25 Milano I-20133 Italy
| | - Paola Conti
- Department of Pharmaceutical SciencesUniversity of Milano Via Mangiagalli 25 Milano I-20133 Italy
| | - Giovanna Speranza
- Department of ChemistryUniversity of Milano Via Golgi 19 Milano I-20133 Italy
| | - Daniela Monti
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta” (SCITEC) - CNR Via Bianco 9 Milano I-20131 Italy
| | - Lucia Tamborini
- Department of Pharmaceutical SciencesUniversity of Milano Via Mangiagalli 25 Milano I-20133 Italy
| | - Daniela Ubiali
- Department of Drug SciencesUniversity of Pavia Viale Taramelli 12 Pavia I-27100 Italy
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60
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Bollinger A, Thies S, Katzke N, Jaeger K. The biotechnological potential of marine bacteria in the novel lineage of Pseudomonas pertucinogena. Microb Biotechnol 2020; 13:19-31. [PMID: 29943398 PMCID: PMC6922532 DOI: 10.1111/1751-7915.13288] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 05/24/2018] [Accepted: 05/25/2018] [Indexed: 01/20/2023] Open
Abstract
Marine habitats represent a prolific source for molecules of biotechnological interest. In particular, marine bacteria have attracted attention and were successfully exploited for industrial applications. Recently, a group of Pseudomonas species isolated from extreme habitats or living in association with algae or sponges were clustered in the newly established Pseudomonas pertucinogena lineage. Remarkably for the predominantly terrestrial genus Pseudomonas, more than half (9) of currently 16 species within this lineage were isolated from marine or saline habitats. Unlike other Pseudomonas species, they seem to have in common a highly specialized metabolism. Furthermore, the marine members apparently possess the capacity to produce biomolecules of biotechnological interest (e.g. dehalogenases, polyester hydrolases, transaminases). Here, we summarize the knowledge regarding the enzymatic endowment of the marine Pseudomonas pertucinogena bacteria and report on a genomic analysis focusing on the presence of genes encoding esterases, dehalogenases, transaminases and secondary metabolites including carbon storage compounds.
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Affiliation(s)
- Alexander Bollinger
- Institute of Molecular Enzyme TechnologyHeinrich‐Heine‐University DüsseldorfForschungszentrum JülichD‐52425JülichGermany
| | - Stephan Thies
- Institute of Molecular Enzyme TechnologyHeinrich‐Heine‐University DüsseldorfForschungszentrum JülichD‐52425JülichGermany
| | - Nadine Katzke
- Institute of Molecular Enzyme TechnologyHeinrich‐Heine‐University DüsseldorfForschungszentrum JülichD‐52425JülichGermany
| | - Karl‐Erich Jaeger
- Institute of Molecular Enzyme TechnologyHeinrich‐Heine‐University DüsseldorfForschungszentrum JülichD‐52425JülichGermany
- Institute of Bio‐ and Geosciences IBG‐1: BiotechnologyForschungszentrum Jülich GmbHD‐52425JülichGermany
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61
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Gavin DP, Reen FJ, Rocha-Martin J, Abreu-Castilla I, Woods DF, Foley AM, Sánchez-Murcia PA, Schwarz M, O'Neill P, Maguire AR, O'Gara F. Genome mining and characterisation of a novel transaminase with remote stereoselectivity. Sci Rep 2019; 9:20285. [PMID: 31889089 PMCID: PMC6937235 DOI: 10.1038/s41598-019-56612-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 11/20/2019] [Indexed: 01/27/2023] Open
Abstract
Microbial enzymes from pristine niches can potentially deliver disruptive opportunities in synthetic routes to Active Pharmaceutical Ingredients and intermediates in the Pharmaceutical Industry. Advances in green chemistry technologies and the importance of stereochemical control, further underscores the application of enzyme-based solutions in chemical synthesis. The rich tapestry of microbial diversity in the oceanic ecosystem encodes a capacity for novel biotransformations arising from the chemical complexity of this largely unexplored bioactive reservoir. Here we report a novel ω-transaminase discovered in a marine sponge Pseudovibrio sp. isolate. Remote stereoselection using a transaminase has been demonstrated for the first time using this novel protein. Application to the resolution of an intermediate in the synthesis of sertraline highlights the synthetic potential of this novel biocatalyst discovered through genomic mining. Integrated chemico-genomics revealed a unique substrate profile, while molecular modelling provided structural insights into this ‘first in class’ selectivity at a remote chiral centre.
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Affiliation(s)
- D P Gavin
- School of Chemistry; Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland.,Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland
| | - F J Reen
- BIOMERIT Research Centre, School of Microbiology, University College Cork, Cork, Ireland.,School of Microbiology, University College Cork, T12 K8AF, Cork, Ireland
| | - J Rocha-Martin
- BIOMERIT Research Centre, School of Microbiology, University College Cork, Cork, Ireland
| | - I Abreu-Castilla
- BIOMERIT Research Centre, School of Microbiology, University College Cork, Cork, Ireland
| | - D F Woods
- BIOMERIT Research Centre, School of Microbiology, University College Cork, Cork, Ireland
| | - A M Foley
- School of Chemistry, School of Pharmacy, Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - P A Sánchez-Murcia
- Institute of Theoretical Chemistry, Faculty of Chemistry, University of Vienna, Währinger Str. 17, A-1090, Vienna, Austria
| | - M Schwarz
- School of Chemistry; Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - P O'Neill
- Pfizer Process Development Centre, Loughbeg, Cork, Ireland
| | - A R Maguire
- Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland. .,School of Chemistry, School of Pharmacy, Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland.
| | - F O'Gara
- Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland. .,BIOMERIT Research Centre, School of Microbiology, University College Cork, Cork, Ireland. .,Human Microbiome Programme, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia and Telethon Kids Institute, Perth, WA, 6008, Australia.
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62
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Abstract
The fixation of atmospheric dinitrogen to ammonia by industrial technologies (such as the Haber Bosch process) has revolutionized humankind. In contrast to industrial technologies, a single enzyme is known for its ability to reduce or "fix" dinitrogen: nitrogenase. Nitrogenase is a complex oxidoreductase enzymatic system that includes a catalytic protein (where dinitrogen is reduced) and an electron-transferring reductase protein (termed the Fe protein) that delivers the electrons necessary for dinitrogen fixation. The catalytic protein most commonly contains a FeMo cofactor (called the MoFe protein), but it can also contain a VFe or FeFe cofactor. Besides their ability to fix dinitrogen to ammonia, these nitrogenases can also reduce substrates such as carbon dioxide to formate. Interestingly, the VFE nitrogenase can also form carbon-carbon bonds. The vast majority of research surrounding nitrogenase employs the Fe protein to transfer electrons, which is also associated with the rate-limiting step of nitrogenase catalysis and also requires the hydrolysis of adenosine triphosphate. Thus, there is significant interest in artificially transferring electrons to the catalytic nitrogenase proteins. In this Account, we review nitrogenase electrocatalysis whereby electrons are delivered to nitrogenase from electrodes. We first describe the use of an electron mediator (cobaltocene) to transfer electrons from electrodes to the MoFe protein. The reduction of protons to molecular hydrogen was realized, in addition to azide and nitrite reduction to ammonia. Bypassing the rate-limiting step within the Fe protein, we also describe how this approach was used to interrogate the rate-limiting step of the MoFe protein: metal-hydride protonolysis at the FeMo-co. This Account next reviews the use of cobaltocene to mediate electron transfer to the VFe protein, where the reduction of carbon dioxide and the formation of carbon-carbon bonds (yielding the formation of ethene and propene) was realized. This approach also found success in mediating electron transfer to the FeFe catalytic protein, which exhibited improved carbon dioxide reduction in comparison to the MoFe protein. In the final example of mediated electron transfer to the catalytic protein, this Account also reviews recent work where the coupling of infrared spectroscopy with electrochemistry enabled the potential-dependent binding of carbon monoxide to the FeMo-co to be studied. As an alternative to mediated electron transfer, recent work that has sought to transfer electrons to the catalytic proteins in the absence of electron mediators (by direct electron transfer) is also reviewed. This approach has subsequently enabled a thermodynamic landscape to be proposed for the cofactors of the catalytic proteins. Finally, this Account also describes nitrogenase electrocatalysis whereby electrons are first transferred from an electrode to the Fe protein, before being transferred to the MoFe protein alongside the hydrolysis of adenosine triphosphate. In this way, increased quantities of ammonia can be electrocatalytically produced from dinitrogen fixation. We discuss how this has led to the further upgrade of electrocatalytically produced ammonia, in combination with additional enzymes (diaphorase, alanine dehydrogenase, and transaminase), to selective production of chiral amine intermediates for pharmaceuticals. This Account concludes by discussing current and future research challenges in the field of electrocatalytic nitrogen fixation by nitrogenase.
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Affiliation(s)
- Ross D. Milton
- Department of Inorganic and Analytical Chemistry, University of Geneva, Sciences II, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
| | - Shelley D. Minteer
- NSF Center for Synthetic Organic Electrochemistry, Department of Chemistry, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
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63
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Ruggieri F, Campillo-Brocal JC, Chen S, Humble MS, Walse B, Logan DT, Berglund P. Insight into the dimer dissociation process of the Chromobacterium violaceum (S)-selective amine transaminase. Sci Rep 2019; 9:16946. [PMID: 31740704 PMCID: PMC6861513 DOI: 10.1038/s41598-019-53177-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/24/2019] [Indexed: 12/19/2022] Open
Abstract
One of the main factors hampering the implementation in industry of transaminase-based processes for the synthesis of enantiopure amines is their often low storage and operational stability. Our still limited understanding of the inactivation processes undermining the stability of wild-type transaminases represents an obstacle to improving their stability through enzyme engineering. In this paper we present a model describing the inactivation process of the well-characterized (S)-selective amine transaminase from Chromobacterium violaceum. The cornerstone of the model, supported by structural, computational, mutagenesis and biophysical data, is the central role of the catalytic lysine as a conformational switch. Upon breakage of the lysine-PLP Schiff base, the strain associated with the catalytically active lysine conformation is dissipated in a slow relaxation process capable of triggering the known structural rearrangements occurring in the holo-to-apo transition and ultimately promoting dimer dissociation. Due to the occurrence in the literature of similar PLP-dependent inactivation models valid for other non-transaminase enzymes belonging to the same fold-class, the role of the catalytic lysine as conformational switch might extend beyond the transaminase enzyme group and offer new insight to drive future non-trivial engineering strategies.
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Affiliation(s)
- Federica Ruggieri
- Department of Industrial Biotechnology, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
- SARomics Biostructures AB, Medicon Village, SE-223 81, Lund, Sweden
| | - Jonatan C Campillo-Brocal
- Department of Industrial Biotechnology, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Shan Chen
- Department of Industrial Biotechnology, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Maria S Humble
- Pharem Biotech AB, Biovation Park, SE-151 36, Södertälje, Sweden
| | - Björn Walse
- SARomics Biostructures AB, Medicon Village, SE-223 81, Lund, Sweden
| | - Derek T Logan
- SARomics Biostructures AB, Medicon Village, SE-223 81, Lund, Sweden
| | - Per Berglund
- Department of Industrial Biotechnology, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden.
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64
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Zhang XJ, Fan HH, Liu N, Wang XX, Cheng F, Liu ZQ, Zheng YG. A novel self-sufficient biocatalyst based on transaminase and pyridoxal 5′-phosphate covalent co-immobilization and its application in continuous biosynthesis of sitagliptin. Enzyme Microb Technol 2019; 130:109362. [DOI: 10.1016/j.enzmictec.2019.109362] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 06/12/2019] [Accepted: 06/16/2019] [Indexed: 12/31/2022]
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65
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Screening and Comparative Characterization of Microorganisms from Iranian Soil Samples Showing ω-Transaminase Activity toward a Plethora of Substrates. Catalysts 2019. [DOI: 10.3390/catal9100874] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
In this study, soil microorganisms from Iran were screened for ω-transaminase (ω-TA) activity based on growth on minimal media containing (rac)-α-methylbenzylamine (rac-α-MBA) as a sole nitrogen source. Then, for the selection of strains with high enzyme activity, a colorimetric o-xylylendiamine assay was conducted. The most promising strains were identified by 16S rDNA sequencing. Five microorganisms showing high ω-TA activity were subjected to determine optimal conditions for ω-TA activity, including pH, temperature, co-solvent, and the specificity of the ω-TA toward different amine donors and acceptors. Among the five screened microorganisms, Bacillus halotolerans turned out to be the most promising strain: Its cell-free extract showed a highly versatile amino donor spectrum toward aliphatic, aromatic chiral amines and a broad range of pH activity. Transaminase activity also exhibited excellent solvent tolerance, with maximum turnover in the presence of 30% (v/v) DMSO.
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66
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Kwon S, Lee JH, Kim CM, Ha HJ, Lee SH, Lee CS, Jeon JH, So I, Park HH. Structural insights into the enzyme specificity of a novel ω-transaminase from the thermophilic bacterium Sphaerobacter thermophilus. J Struct Biol 2019; 208:107395. [PMID: 31560999 DOI: 10.1016/j.jsb.2019.09.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 09/22/2019] [Accepted: 09/24/2019] [Indexed: 10/26/2022]
Abstract
Transaminases are pyridoxal 5'-phosphate-dependent enzymes that reversibly catalyze transamination reactions from an amino group donor substrate to an amino group acceptor substrate. ω-Transaminases (ωTAs) utilize compounds with an amino group not at α-carbon position as their amino group donor substrates. Recently, a novel ωTA with broad substrate specificity and high thermostability from the thermophilic bacterium Sphaerobacter thermophilus (St-ωTA) has been reported. Although St-ωTA has been biochemically characterized, little is known about its determinants of substrate specificity. In the present study, we determined the crystal structure of St-ωTA at 1.9 Å resolution to clarify in detail its mechanism of substrate recognition. The structure of St-ωTA revealed that it has a voluminous active site resulting from the unique spatial arrangement of residues comprising its active site. In addition, our molecular docking simulation results suggest that substrate compounds may bind to active site residues via electrostatic interactions or hydrophobic interactions that can be induced by subtle rearrangements of active site residues. On the basis of these structural analyses, we propose a plausible working model of the enzymatic mechanism of St-ωTA. Our results provide profound structural insights into the substrate specificity of St-ωTA and extend the boundaries of knowledge of TAs.
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Affiliation(s)
- Sunghark Kwon
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jun Hyuck Lee
- Unit of Research for Practical Application, Korea Polar Research Institute, Incheon 21990, Republic of Korea
| | - Chang Min Kim
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Hyun Ji Ha
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Sung Hoon Lee
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Chang Sup Lee
- College of Pharmacy and Research Institute of Pharmaceutical Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Ju-Hong Jeon
- Department of Physiology and Biomedical Sciences, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Insuk So
- Department of Physiology and Biomedical Sciences, Institute of Human-Environment Interface Biology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Hyun Ho Park
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea.
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67
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Márquez SL, Atalah J, Blamey JM. Characterization of a novel thermostable (S)-amine-transaminase from an Antarctic moderately-thermophilic bacterium Albidovulum sp. SLM16. Enzyme Microb Technol 2019; 131:109423. [PMID: 31615676 DOI: 10.1016/j.enzmictec.2019.109423] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 08/26/2019] [Accepted: 09/03/2019] [Indexed: 12/12/2022]
Abstract
Amine-transaminases (ATAs) are enzymes that catalyze the reversible transfer of an amino group between primary amines and carbonyl compounds. They have been widely studied in the last decades for their application in stereoselective synthesis of chiral amines, which are one of the most valuable building blocks in pharmaceuticals manufacturing. Their excellent enantioselectivity, use of low-cost substrates and no need for external cofactors has turned these enzymes into a promising alternative to the chemical synthesis of chiral amines. Nevertheless, its application at industrial scale remains limited mainly because most of the available ATAs are scarcely tolerant to harsh reaction conditions such as high temperatures and presence of organic solvents. In this work, a novel (S)-ATA was discovered in a thermophilic bacterium, Albidovulum sp. SLM16, isolated from a geothermal Antarctic environmental sample, more specifically from a shoreline fumarole in Deception Island. The transaminase-coding gene was identified in the genome of the microorganism, cloned and overexpressed in Escherichia coli for biochemical characterization. The activity of the recombinant ATA was optimal at 65 °C and pH 9.5. Molecular mass estimates suggest a 75 kDa homodimeric structure. The enzyme turned out to be highly thermostable, maintaining 80% of its specific activity after 5 days of incubation at 50 °C. These results indicate that ATA_SLM16 is an excellent candidate for potential applications in biocatalytic synthesis. To the best of our knowledge, this would be the first report of the characterization of a thermostable (S)-ATA discovered by means of in vivo screening of thermophilic microorganisms.
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Affiliation(s)
- Sebastián L Márquez
- Facultad de Química y Biología, Departamento de Biología, Universidad de Santiago de Chile, Santiago, Chile; Fundación Científica y Cultural Biociencia, Santiago, Chile
| | - Joaquín Atalah
- Fundación Científica y Cultural Biociencia, Santiago, Chile
| | - Jenny M Blamey
- Facultad de Química y Biología, Departamento de Biología, Universidad de Santiago de Chile, Santiago, Chile; Fundación Científica y Cultural Biociencia, Santiago, Chile.
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68
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Effect of residue substitution via site-directed mutagenesis on activity and steroselectivity of transaminase BpTA from Bacillus pumilus W3 for sitafloxacin hydrate intermediate. Int J Biol Macromol 2019; 137:732-740. [DOI: 10.1016/j.ijbiomac.2019.07.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 05/24/2019] [Accepted: 07/03/2019] [Indexed: 11/22/2022]
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69
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Kwon S, Park HH. Structural Consideration of the Working Mechanism of Fold Type I Transaminases From Eubacteria: Overt and Covert Movement. Comput Struct Biotechnol J 2019; 17:1031-1039. [PMID: 31452855 PMCID: PMC6698932 DOI: 10.1016/j.csbj.2019.07.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/12/2019] [Accepted: 07/19/2019] [Indexed: 12/18/2022] Open
Abstract
Transaminases (TAs) reversibly catalyze the transfer reaction of an amino group between an amino group donor and an amino group acceptor, using pyridoxal 5′-phosphate (PLP) as a cofactor. TAs are categorized according to the amino group position of the donor substrate and respective TAs recognize their own specific substrates. Over the past decade, a number of TA structures have been determined by X-ray crystallography. On the basis of the structural information, the detailed mechanism of substrate recognition by TAs has also been elucidated. In this review, fold type I TAs are addressed intensively. Comparative studies on structural differences between the apo and holo forms of fold type I TAs have demonstrated that regions containing the active site exhibit structural plasticity in the apo form, facilitating PLP insertion into the active site. In addition, given that TAs recognize two different kinds of substrates, they possess dual substrate specificity. It is known that spatial rearrangements of active site residues occur upon binding of the substrates. Intriguingly, positively charged residues are predominantly distributed at the active site cavity. The electric field generated by such charge distributions may attract negatively charged molecules, such as PLP and amino group acceptors, into the active site. Indeed, TAs show remarkable dynamics in diverse aspects. In this review, we describe the comprehensive working mechanism of fold type I TAs, with a focus on conformational changes.
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Affiliation(s)
| | - Hyun Ho Park
- Corresponding author at: College of Pharmacy, Chung-Ang University, Dongjak-gu, Seoul 06974, Republic of Korea.
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70
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Han S, Shin J. Rapid and Quantitative Profiling of Substrate Specificity of ω‐Transaminases for Ketones. ChemCatChem 2019. [DOI: 10.1002/cctc.201900399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sang‐Woo Han
- Department of BiotechnologyYonsei University Yonsei-Ro 50, Seodaemun-Gu Seoul 03722 South Korea
| | - Jong‐Shik Shin
- Department of BiotechnologyYonsei University Yonsei-Ro 50, Seodaemun-Gu Seoul 03722 South Korea
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71
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Asymmetric synthesis of l-phosphinothricin using thermostable alpha-transaminase mined from Citrobacter koseri. J Biotechnol 2019; 302:10-17. [PMID: 31201835 DOI: 10.1016/j.jbiotec.2019.06.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/30/2019] [Accepted: 06/11/2019] [Indexed: 11/22/2022]
Abstract
α-Transaminase (α-TA) responsible for catalyzing the reversible transfer of amino groups between amine donors and amine acceptors, is applicable to enzymatic route for asymmetric synthesis of herbicide l-phosphinothricin (l-PPT). In the search for α-TAs with better catalysis performance, three α-TAs were discovered by genome mining approach using a known sequence encoding Escherichia coli tyrosine TA (TyrB) as probe. Through detailed comparison of their expression amount, activities and characteristics, Citrobacter koseri TA (CkTA) exhibited better activity and thermostability, which retain 65.9% of initial activity after incubation at 57 °C for 4 h. The Km and kcat/Km values of CkTA were 36.75 mM and 34.29 mM-1 min-1, respectively. In addition, recombinant CkTA cells were immobilized onto Celite 545 using tris(hydroxymethyl)phosphine as crosslinker. During five repetitive asymmetric synthesis of l-PPT from 20 g/L prostereogenic ketone using l-Glu as amine donor, all the yields of l-PPT reached up to 91.2% (>99% ee). These characteristics made CkTA a valuable addition to the currently scarce α-TA library for stereospecific synthesis of l-PPT.
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72
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Hülsewede D, Dohm J, von Langermann J. Donor Amine Salt‐Based Continuous
in
situ‐
Product Crystallization in Amine Transaminase‐Catalyzed Reactions. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900217] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Dennis Hülsewede
- University of RostockInstitute of Chemistry, Biocatalytic Synthesis Group Albert-Einstein-Str. 3 A 18059 Rostock Germany
| | - Jan‐Niklas Dohm
- University of RostockInstitute of Chemistry, Biocatalytic Synthesis Group Albert-Einstein-Str. 3 A 18059 Rostock Germany
| | - Jan von Langermann
- University of RostockInstitute of Chemistry, Biocatalytic Synthesis Group Albert-Einstein-Str. 3 A 18059 Rostock Germany
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73
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Structural basis of substrate recognition by a novel thermostable (S)-enantioselective ω-transaminase from Thermomicrobium roseum. Sci Rep 2019; 9:6958. [PMID: 31061438 PMCID: PMC6502798 DOI: 10.1038/s41598-019-43490-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/24/2019] [Indexed: 01/13/2023] Open
Abstract
Transaminases catalyze the reversible transfer reaction of an amino group between a primary amine and an α-keto acid, utilizing pyridoxal 5'-phosphate as a cofactor. ω-transaminases (ωTAs) recognize an amino group linked to a non-α carbon of amine substrates. Recently, a novel (S)-enantioselective ωTA from Thermomicrobium roseum (Tr-ωTA) was identified and its enzymatic activity reported. However, the detailed mechanism of (S)-enantioselective substrate recognition remained unclear. In this study, we determined the crystal structure of Tr-ωTA at 1.8 Å resolution to elucidate the mechanism underlying Tr-ωTA substrate (S)-enantioselectivity. A structural analysis of Tr-ωTA along with molecular docking simulations revealed that two pockets at the active site tightly restrict the size and orientation of functional groups of substrate candidates. Based on the structural information and docking simulation results, we propose a comprehensive catalytic mechanism of Tr-ωTA. The present study thus provides structural and functional insights into the (S)-enantioselectivity of Tr-ωTA.
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74
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González‐Martínez D, Gotor V, Gotor‐Fernández V. Stereoselective Synthesis of 1‐Arylpropan‐2‐amines from Allylbenzenes through a Wacker‐Tsuji Oxidation‐Biotransamination Sequential Process. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900179] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Daniel González‐Martínez
- Organic and Inorganic Chemistry DepartmentUniversity of Oviedo Avenida Julián Clavería 8 33006 Oviedo Spain
| | - Vicente Gotor
- Organic and Inorganic Chemistry DepartmentUniversity of Oviedo Avenida Julián Clavería 8 33006 Oviedo Spain
| | - Vicente Gotor‐Fernández
- Organic and Inorganic Chemistry DepartmentUniversity of Oviedo Avenida Julián Clavería 8 33006 Oviedo Spain
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75
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Kim H, Han S, Shin J. Combinatorial Mutation Analysis of ω‐Transaminase to Create an Engineered Variant Capable of Asymmetric Amination of Isobutyrophenone. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900184] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Hong‐Gon Kim
- Department of BiotechnologyYonsei University Yonsei-Ro 50, Seodaemun-Gu Seoul 03722 South Korea
| | - Sang‐Woo Han
- Department of BiotechnologyYonsei University Yonsei-Ro 50, Seodaemun-Gu Seoul 03722 South Korea
| | - Jong‐Shik Shin
- Department of BiotechnologyYonsei University Yonsei-Ro 50, Seodaemun-Gu Seoul 03722 South Korea
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76
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Narancic T, Almahboub SA, O’Connor KE. Unnatural amino acids: production and biotechnological potential. World J Microbiol Biotechnol 2019; 35:67. [DOI: 10.1007/s11274-019-2642-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 03/28/2019] [Indexed: 01/01/2023]
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77
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Zeifman YS, Boyko KM, Nikolaeva AY, Timofeev VI, Rakitina TV, Popov VO, Bezsudnova EY. Functional characterization of PLP fold type IV transaminase with a mixed type of activity from Haliangium ochraceum. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2019; 1867:575-585. [PMID: 30902765 DOI: 10.1016/j.bbapap.2019.03.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 03/01/2019] [Accepted: 03/16/2019] [Indexed: 12/11/2022]
Abstract
Pyridoxal-5'-phosphate (PLP)-dependent transaminases are industrially important enzymes catalyzing the stereoselective amination of ketones and keto acids. Transaminases of PLP fold type IV are characterized by (R)- or (S)-stereoselective transfer of amino groups, depending on the substrate profile of the enzyme. PLP fold type IV transaminases include branched-chain amino acid transaminases (BCATs), D-amino acid transaminases and (R)-amine:pyruvate transaminases. Recently, transaminases with a mixed type of activity were identified and characterized. Here, we report biochemical and structural characterization of a transaminase from myxobacterium Haliangium ochraceum (Hoch3033), which is active towards keto analogs of branched-chain amino acids (specific substrates for BCATs) and (R)-(+)-α-methylbenzylamine (specific substrate for (R)-amine:pyruvate transaminases). The enzyme is characterized by an alkaline pH optimum (pH 10.0-10.5) and a tolerance to high salt concentrations (up to 2 M NaCl). The structure of Hoch3033 was determined at 2.35 Å resolution. The overall fold of the enzyme was similar to those of known enzymes of PLP fold type IV. The mixed type of activity of Hoch3033 was implemented within the BCAT-like active site. However, in the active site of Hoch3033, we observed substitutions of specificity-determining residues that are important for substrate binding in canonical BCATs. We suggest that these changes result in the loss of activity towards α-ketoglutarate and increase the affinity towards (R)-(+)-α-methylbenzylamine. These results complement our knowledge of the catalytic diversity of transaminases and indicate the need for further research to understand the structural basis of substrate specificity in these enzymes.
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Affiliation(s)
- Yulia S Zeifman
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky Ave. 33, bld. 2, 119071 Moscow, Russian Federation; Kurchatov Complex of NBICS-Technologies, National Research Center "Kurchatov Institute", Akad. Kurchatova sqr 1, 123182 Moscow, Russian Federation.
| | - Konstantin M Boyko
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky Ave. 33, bld. 2, 119071 Moscow, Russian Federation; Kurchatov Complex of NBICS-Technologies, National Research Center "Kurchatov Institute", Akad. Kurchatova sqr 1, 123182 Moscow, Russian Federation
| | - Alena Yu Nikolaeva
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky Ave. 33, bld. 2, 119071 Moscow, Russian Federation; Kurchatov Complex of NBICS-Technologies, National Research Center "Kurchatov Institute", Akad. Kurchatova sqr 1, 123182 Moscow, Russian Federation
| | - Vladimir I Timofeev
- Kurchatov Complex of NBICS-Technologies, National Research Center "Kurchatov Institute", Akad. Kurchatova sqr 1, 123182 Moscow, Russian Federation; FSRC «Crystallography and Photonics» RAS, Leninskiy Prospekt 59, 119333 Moscow, Russian Federation
| | - Tatiana V Rakitina
- Kurchatov Complex of NBICS-Technologies, National Research Center "Kurchatov Institute", Akad. Kurchatova sqr 1, 123182 Moscow, Russian Federation; Shemyakin&Ovchinnikov Institute of Bioorganic Chemistry RAS, Miklukho-Maklaya str. 16/10, 117997 Moscow, Russian Federation
| | - Vladimir O Popov
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky Ave. 33, bld. 2, 119071 Moscow, Russian Federation; Kurchatov Complex of NBICS-Technologies, National Research Center "Kurchatov Institute", Akad. Kurchatova sqr 1, 123182 Moscow, Russian Federation
| | - Ekaterina Yu Bezsudnova
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky Ave. 33, bld. 2, 119071 Moscow, Russian Federation
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78
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Kelefiotis-Stratidakis P, Tyrikos-Ergas T, Pavlidis IV. The challenge of using isopropylamine as an amine donor in transaminase catalysed reactions. Org Biomol Chem 2019; 17:1634-1642. [PMID: 30394478 DOI: 10.1039/c8ob02342e] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Amine transaminases (ATAs) propose an appealing alternative to transition metal catalysts as they can provide chiral amines of high purity from pro-chiral compounds by asymmetric synthesis. Industrial interest on ATAs arises from the fact that chiral amines are present in a wide spectrum of pharmaceutical and other high value-added chiral compounds and building blocks. Despite their potential as useful synthetic tools, several drawbacks such as challenges associated with the thermodynamic equilibrium can still impede their utilization. Several methods have been developed to displace the equilibrium, such as the use of alanine as an amine donor and the subsequent removal of pyruvate with a two-enzyme system, or the use of o-xylylene diamine. To date, the preferred amine donor remains isopropylamine (IPA), as the produced acetone can be removed easily under low pressure or slight heating, without complicating the process with other enzymes. Despite its small size, IPA is not widely accepted from wild-type ATAs, and this fact compromises its wide applicability. Herein, we index the reported biocatalytic aminations with IPA, comparing the sequences, while we discuss significant parameters of the process, such as the effect of temperature and pH, as well as the protein engineering and process development advances in the field. This information is expected to provide an insight for potential designs of tailor-made ATAs and IPA processes.
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79
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Chen H, Cai R, Patel J, Dong F, Chen H, Minteer SD. Upgraded Bioelectrocatalytic N 2 Fixation: From N 2 to Chiral Amine Intermediates. J Am Chem Soc 2019; 141:4963-4971. [PMID: 30835461 DOI: 10.1021/jacs.9b00147] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Enantiomerically pure chiral amines are of increasing value in the preparation of bioactive compounds, pharmaceuticals, and agrochemicals. ω-Transaminase (ω-TA) is an ideal catalyst for asymmetric amination because of its excellent enantioselectivity and wide substrate scope. To shift the equilibrium of reactions catalyzed by ω-TA to the side of the amine product, an upgraded N2 fixation system based on bioelectrocatalysis was developed to realize the conversion from N2 to chiral amine intermediates. The produced NH3 was in situ reacted with l-alanine dehydrogenase to generate alanine with NADH as a coenzyme. ω-TA transferred the amino group from alanine to ketone substrates and finally produced the desired chiral amine intermediates. The cathode of the upgraded N2 fixation system supplied enough reducing power to synchronously realize the regeneration of reduced methyl viologen (MV•+) and NADH for the nitrogenase and l-alanine dehydrogenase. The coproduct, pyruvate, was consumed by l-alanine dehydrogenase to regenerate alanine and push the equilibrium to the side of amine. After 10 h of reaction, the concentration of 1-methyl-3-phenylpropylamine achieved 0.54 mM with the 27.6% highest faradaic efficiency and >99% enantiomeric excess (eep). Because of the wide substrate scope and excellent enantioselectivity of ω-TA, the upgraded N2 fixation system has great potential to produce a variety of chiral amine intermediates for pharmaceuticals and other applications.
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Affiliation(s)
- Hui Chen
- Departments of Chemistry and Materials Science & Engineering , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Rong Cai
- Departments of Chemistry and Materials Science & Engineering , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Janki Patel
- Departments of Chemistry and Materials Science & Engineering , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Fangyuan Dong
- Departments of Chemistry and Materials Science & Engineering , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Hsiaonung Chen
- Departments of Chemistry and Materials Science & Engineering , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Shelley D Minteer
- Departments of Chemistry and Materials Science & Engineering , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
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80
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Wang Q, Gu Q, You SL. Enantioselective Carbonyl Catalysis Enabled by Chiral Aldehydes. Angew Chem Int Ed Engl 2019; 58:6818-6825. [PMID: 30216640 DOI: 10.1002/anie.201808700] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Indexed: 12/16/2022]
Abstract
Organocatalytic methods have achieved spectacular advancements for the preparation of chiral molecules in highly enantioenriched forms. The fast development of this field can mainly be attributed to the evolution of general and reliable activation modes. The discovery and identification of new activation modes are therefore highly desirable to push the boundaries of asymmetric reactions. In this Minireview, recent advances in enantioselective carbonyl catalysis, one useful subbranch of organocatalysis for the efficient activation of simple amines, will be summarized. With elegantly designed chiral aldehyde catalysts, highly enantioselective and efficient asymmetric reactions can be developed. Continued development of enantioselective carbonyl catalysis is expected in the future.
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Affiliation(s)
- Qiang Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China.,Collaborative Innovation Center of Chemical Science, and Engineering, Tianjin, China
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81
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Wang Q, Gu Q, You S. Enantioselective Carbonyl Catalysis Enabled by Chiral Aldehydes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201808700] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Qiang Wang
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Qing Gu
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Shu‐Li You
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
- Collaborative Innovation Center of Chemical Science, and Engineering Tianjin China
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82
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Feng Y, Wang Z, Luo Z, Chen M, He F, Liu B, Goldmann S, Zhang L. Further Optimization of a Scalable Biocatalytic Route to (3 R)- N-Boc-3-aminoazepane with Immobilized ω-Transaminase. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.8b00411] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yahui Feng
- School of Bioscience and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Zhongqing Wang
- HEC Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
- Anti-infection Innovation Department, New Drug Research Institute, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Zhonghua Luo
- School of Bioscience and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Minghong Chen
- HEC Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Fang He
- HEC Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Bin Liu
- HEC Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Siegfried Goldmann
- Anti-infection Innovation Department, New Drug Research Institute, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Lei Zhang
- School of Bioscience and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
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83
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Activity Improvements of an Engineered ω-transaminase for Ketones Are Positively Correlated with Those for Cognate Amines. BIOTECHNOL BIOPROC E 2019. [DOI: 10.1007/s12257-018-0377-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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84
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Kim G, Jeon H, Khobragade TP, Patil MD, Sung S, Yoon S, Won Y, Sarak S, Yun H. Glutamate as an Efficient Amine Donor for the Synthesis of Chiral β‐ and γ‐Amino Acids Using Transaminase. ChemCatChem 2019. [DOI: 10.1002/cctc.201802048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Geon‐Hee Kim
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Hyunwoo Jeon
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Taresh P. Khobragade
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Mahesh D. Patil
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Sihyong Sung
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Sanghan Yoon
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Yumi Won
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Sharad Sarak
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
| | - Hyungdon Yun
- Department of Systems BiotechnologyKonkuk University 120 Neungdong-ro Gwangjin-gu, Seoul 05029 Korea
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85
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Petri A, Colonna V, Piccolo O. Asymmetric synthesis of a high added value chiral amine using immobilized ω-transaminases. Beilstein J Org Chem 2019; 15:60-66. [PMID: 30680039 PMCID: PMC6334810 DOI: 10.3762/bjoc.15.6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 12/12/2018] [Indexed: 01/28/2023] Open
Abstract
Chiral N-heterocyclic molecules and in particular compounds with an amino functional group such as 3-aminopiperidine are valuable intermediates for the production of a large number of bioactive compounds with pharmacological properties. In this paper, the synthesis of both enantiomers of 3-amino-1-Boc-piperidine by amination of the prochiral precursor 1-Boc-3-piperidone using immobilized ω-transaminases (TAs-IMB), isopropylamine as amine donor and pyridoxal-5'-phosphate (PLP) as cofactor is described. Compared to other methods, the present approach affords the target compound in just one step with high yield and high enantiomeric excess starting from a commercial substrate. The reaction was carried out by using different commercially available immobilized enzymes, evaluating the catalytic activity and the enantioselectivity under different experimental conditions. Re-use of the most efficient enzyme was performed both in batch and in a semi-continuous system. The selected biocatalyst showed good stability under the reaction conditions providing consistent results in terms of conversion and enantiomeric excess after several cycles. The reported results may be of practical interest in view of the development of this sustainable approach to an industrial scale.
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Affiliation(s)
- Antonella Petri
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Valeria Colonna
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Oreste Piccolo
- Studio di Consulenza Scientifica (SCSOP), Via Bornò 5, 23896 Sirtori (LC), Italy
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86
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Ren H, Long P, Zhao Y, Zhang K, Fan P, Wang B. Highly selective hydrogenation of aldehydes promoted by a palladium-based catalyst and its application in equilibrium displacement in a one-enzyme procedure using ω-transaminase. Org Chem Front 2019. [DOI: 10.1039/c9qo00018f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A palladium-based catalyst-promoted highly selective hydrogenation of aldehydes and its application in efficient equilibrium displacement in a one-enzyme procedure using ω-transaminase.
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Affiliation(s)
- Huihui Ren
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University)
- Ministry of Education
- Hainan University
- Haikou 570228
- P.R. China
| | - Peng Long
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University)
- Ministry of Education
- Hainan University
- Haikou 570228
- P.R. China
| | - Yang Zhao
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University)
- Ministry of Education
- Hainan University
- Haikou 570228
- P.R. China
| | - Kuan Zhang
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University)
- Ministry of Education
- Hainan University
- Haikou 570228
- P.R. China
| | - Peihan Fan
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University)
- Ministry of Education
- Hainan University
- Haikou 570228
- P.R. China
| | - Bo Wang
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University)
- Ministry of Education
- Hainan University
- Haikou 570228
- P.R. China
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87
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Won Y, Jeon H, Pagar AD, Patil MD, Nadarajan SP, Flood DT, Dawson PE, Yun H. In vivo biosynthesis of tyrosine analogs and their concurrent incorporation into a residue-specific manner for enzyme engineering. Chem Commun (Camb) 2019; 55:15133-15136. [DOI: 10.1039/c9cc08503c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A cellular system for the in vivo biosynthesis of Tyr-analogs and their concurrent incorporation into target proteins is reported.
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Affiliation(s)
- Yumi Won
- Department of Systems Biotechnology
- Konkuk University
- Gwangjin-gu
- Korea
| | - Hyunwoo Jeon
- Department of Systems Biotechnology
- Konkuk University
- Gwangjin-gu
- Korea
| | - Amol D. Pagar
- Department of Systems Biotechnology
- Konkuk University
- Gwangjin-gu
- Korea
| | - Mahesh D. Patil
- Department of Systems Biotechnology
- Konkuk University
- Gwangjin-gu
- Korea
| | | | - Dillon T. Flood
- Department of Chemistry
- The Scripps Research Institute
- La Jolla
- USA
| | - Philip E. Dawson
- Department of Chemistry
- The Scripps Research Institute
- La Jolla
- USA
| | - Hyungdon Yun
- Department of Systems Biotechnology
- Konkuk University
- Gwangjin-gu
- Korea
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88
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Heuson E, Charmantray F, Petit JL, de Berardinis V, Gefflaut T. Enantioselective Synthesis ofd- andl-α-Amino Acids by Enzymatic Transamination Using Glutamine as Smart Amine Donor. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801278] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Egon Heuson
- Université Clermont Auvergne, CNRS, SIGMA Clermont; ICCF; F-63000 Clermont-Ferrand France
| | - Franck Charmantray
- Université Clermont Auvergne, CNRS, SIGMA Clermont; ICCF; F-63000 Clermont-Ferrand France
| | - Jean-Louis Petit
- Génomique métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry; Univ Paris-Saclay; 91057 Evry France
| | - Véronique de Berardinis
- Génomique métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry; Univ Paris-Saclay; 91057 Evry France
| | - Thierry Gefflaut
- Université Clermont Auvergne, CNRS, SIGMA Clermont; ICCF; F-63000 Clermont-Ferrand France
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89
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Qi Q, Yang X, Fu X, Xu S, Negishi E. Highly Enantiospecific Borylation for Chiral α‐Amino Tertiary Boronic Esters. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809389] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Qingqing Qi
- Herbert C. Brown Laboratories of ChemistryPurdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Xuena Yang
- Herbert C. Brown Laboratories of ChemistryPurdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Xiaoping Fu
- Herbert C. Brown Laboratories of ChemistryPurdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Shiqing Xu
- Herbert C. Brown Laboratories of ChemistryPurdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Ei‐ichi Negishi
- Herbert C. Brown Laboratories of ChemistryPurdue University 560 Oval Drive West Lafayette IN 47907 USA
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90
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Qi Q, Yang X, Fu X, Xu S, Negishi EI. Highly Enantiospecific Borylation for Chiral α-Amino Tertiary Boronic Esters. Angew Chem Int Ed Engl 2018; 57:15138-15142. [PMID: 30291671 DOI: 10.1002/anie.201809389] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 09/30/2018] [Indexed: 12/12/2022]
Abstract
Herein we report a highly efficient and enantiospecific borylation method to synthesize a wide range of enantiopure (>99 % ee) α-amino tertiary boronic esters. The configurationally stable α-N-Boc substituted tertiary organolithium species and pinacolborane (HBpin) underwent enantiospecific borylation at -78 °C with the formation of a new stereogenic C-B bond. This reaction has a broad scope, enabling the synthesis of various α-amino tertiary boronic esters in excellent yields and, importantly, with universally excellent enantiospecificity (>99 % es) and complete retention of configuration.
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Affiliation(s)
- Qingqing Qi
- Herbert C. Brown Laboratories of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Xuena Yang
- Herbert C. Brown Laboratories of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Xiaoping Fu
- Herbert C. Brown Laboratories of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Shiqing Xu
- Herbert C. Brown Laboratories of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Ei-Ichi Negishi
- Herbert C. Brown Laboratories of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
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91
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Characterization of ELP-fused ω-Transaminase and Its Application for the Biosynthesis of β-Amino Acid. BIOTECHNOL BIOPROC E 2018. [DOI: 10.1007/s12257-018-0268-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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92
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Ruggieri F, van Langen LM, Logan DT, Walse B, Berglund P. Transaminase-Catalyzed Racemization with Potential for Dynamic Kinetic Resolutions. ChemCatChem 2018; 10:5012-5018. [PMID: 30546495 PMCID: PMC6282829 DOI: 10.1002/cctc.201801049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Indexed: 11/11/2022]
Abstract
Dynamic kinetic resolution (DKR) reactions in which a stereoselective enzyme and a racemization step are coupled in one pot would represent powerful tools for the production of enantiopure amines through enantioconvergence of racemates. The exploitation of DKR strategies is currently hampered by the lack of effective, enzyme-compatible and scalable racemization strategies for amines. In the present work, the proof of concept of a fully biocatalytic method for amine racemization is presented. Both enantiomers of the model compound 1-methyl-3-phenylpropylamine could be racemized in water and at room temperature using a couple of wild-type, non-proprietary, enantiocomplementary amine transaminases and a minimum amount of pyruvate/alanine as a co-substrate couple. The biocatalytic simultaneous parallel cascade reaction presented here poses itself as a customizable amine racemization system with potential for the chemical industry in competition with traditional transition-metal catalysis.
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Affiliation(s)
- Federica Ruggieri
- Department of Industrial Biotechnology KTH Royal Institute of TechnologyAlbaNova University CenterStockholmSE-106 91Sweden
- SARomics Biostructures AB Medicon VillageLundSE-223 81Sweden
| | | | - Derek T. Logan
- SARomics Biostructures AB Medicon VillageLundSE-223 81Sweden
| | - Björn Walse
- SARomics Biostructures AB Medicon VillageLundSE-223 81Sweden
| | - Per Berglund
- Department of Industrial Biotechnology KTH Royal Institute of TechnologyAlbaNova University CenterStockholmSE-106 91Sweden
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93
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Affiliation(s)
- Mahesh D. Patil
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
| | - Gideon Grogan
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, United Kingdom
| | - Andreas Bommarius
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 950 Atlantic Drive, Atlanta, Georgia 30332-2000, United States
| | - Hyungdon Yun
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
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94
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Lou Y, Hu Y, Lu J, Guan F, Gong G, Yin Q, Zhang X. Dynamic Kinetic Asymmetric Reductive Amination: Synthesis of Chiral Primary β-Amino Lactams. Angew Chem Int Ed Engl 2018; 57:14193-14197. [DOI: 10.1002/anie.201809719] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Yazhou Lou
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Yutao Hu
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Jiaxiang Lu
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Fanfu Guan
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Gelin Gong
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Qin Yin
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
- Academy for Advanced Interdisciplinary Studies; Southern University of Science and Technology; Shenzhen Guangdong 518000 P. R. China
| | - Xumu Zhang
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
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95
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Lou Y, Hu Y, Lu J, Guan F, Gong G, Yin Q, Zhang X. Dynamic Kinetic Asymmetric Reductive Amination: Synthesis of Chiral Primary β-Amino Lactams. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809719] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Yazhou Lou
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Yutao Hu
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Jiaxiang Lu
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Fanfu Guan
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Gelin Gong
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
| | - Qin Yin
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
- Academy for Advanced Interdisciplinary Studies; Southern University of Science and Technology; Shenzhen Guangdong 518000 P. R. China
| | - Xumu Zhang
- Department of Chemistry and Shenzhen Grubbs Institute; Southern University of Science and Technology; Shenzhen Guangdong 518055 P. R. China
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96
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Li QH, Dong Y, Chen FF, Liu L, Li CX, Xu JH, Zheng GW. Reductive amination of ketones with ammonium catalyzed by a newly identified Brevibacterium epidermidis strain for the synthesis of (S)-chiral amines. CHINESE JOURNAL OF CATALYSIS 2018. [DOI: 10.1016/s1872-2067(18)63108-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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97
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Meng LJ, Liu YY, Zhou HS, Yin XJ, Wu JP, Wu MB, Xu G, Yang LR. Driving Transamination Irreversible by Decomposing Byproduct α-Ketoglutarate into Ethylene Using Ethylene-Forming Enzyme. Catal Letters 2018. [DOI: 10.1007/s10562-018-2552-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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98
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Buß O, Dold SM, Obermeier P, Litty D, Muller D, Grüninger J, Rudat J. Enantiomer discrimination in β-phenylalanine degradation by a newly isolated Paraburkholderia strain BS115 and type strain PsJN. AMB Express 2018; 8:149. [PMID: 30242525 PMCID: PMC6150868 DOI: 10.1186/s13568-018-0676-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 09/06/2018] [Indexed: 01/17/2023] Open
Abstract
Despite their key role in numerous natural compounds, β-amino acids have rarely been studied as substrates for microbial degradation. Fermentation of the newly isolated Paraburkholderia strain BS115 and the type strain P. phytofirmans PsJN with β-phenylalanine (β-PA) as sole nitrogen source revealed (S)-selective transamination of β-PA to the corresponding β-keto acid by both strains, accompanied by substantial formation of acetophenone (AP) from spontaneous decarboxylation of the emerging β-keto acid. While the PsJN culture became stationary after entire (S)-β-PA consumption, BS115 showed further growth at a considerably slower rate, consuming (R)-β-PA without generation of AP which points to a different degradation mechanism for this enantiomer. This is the first report on degradation of both enantiomers of any β-amino acid by one single bacterial strain.
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99
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Velikogne S, Resch V, Dertnig C, Schrittwieser JH, Kroutil W. Sequence-Based In-silico Discovery, Characterisation, and Biocatalytic Application of a Set of Imine Reductases. ChemCatChem 2018; 10:3236-3246. [PMID: 30197686 PMCID: PMC6120462 DOI: 10.1002/cctc.201800607] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Indexed: 11/17/2022]
Abstract
Imine reductases (IREDs) have recently become a primary focus of research in biocatalysis, complementing other classes of amine-forming enzymes such as transaminases and amine dehydrogenases. Following in the footsteps of other research groups, we have established a set of IRED biocatalysts by sequence-based in silico enzyme discovery. In this study, we present basic characterisation data for these novel IREDs and explore their activity and stereoselectivity using a panel of structurally diverse cyclic imines as substrates. Specific activities of >1 U/mg and excellent stereoselectivities (ee>99 %) were observed in many cases, and the enzymes proved surprisingly tolerant towards elevated substrate loadings. Co-expression of the IREDs with an alcohol dehydrogenase for cofactor regeneration led to whole-cell biocatalysts capable of efficiently reducing imines at 100 mM initial concentration with no need for the addition of extracellular nicotinamide cofactor. Preparative biotransformations on gram scale using these 'designer cells' afforded chiral amines in good yield and excellent optical purity.
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Affiliation(s)
- Stefan Velikogne
- University of GrazInstitute of ChemistryNAWI Graz, BioTechMed GrazHeinrichstrasse 288010GrazAustria
| | - Verena Resch
- University of GrazInstitute of ChemistryNAWI Graz, BioTechMed GrazHeinrichstrasse 288010GrazAustria
| | - Carina Dertnig
- University of GrazInstitute of ChemistryNAWI Graz, BioTechMed GrazHeinrichstrasse 288010GrazAustria
| | - Joerg H. Schrittwieser
- University of GrazInstitute of ChemistryNAWI Graz, BioTechMed GrazHeinrichstrasse 288010GrazAustria
| | - Wolfgang Kroutil
- University of GrazInstitute of ChemistryNAWI Graz, BioTechMed GrazHeinrichstrasse 288010GrazAustria
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100
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Dawood AWH, Weiß MS, Schulz C, Pavlidis IV, Iding H, de Souza ROMA, Bornscheuer UT. Isopropylamine as Amine Donor in Transaminase-Catalyzed Reactions: Better Acceptance through Reaction and Enzyme Engineering. ChemCatChem 2018. [DOI: 10.1002/cctc.201800936 and 21=21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ayad W. H. Dawood
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry; Greifswald University; Felix-Hausdorff-Str. 4 Greifswald 17487 Germany
| | - Martin S. Weiß
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry; Greifswald University; Felix-Hausdorff-Str. 4 Greifswald 17487 Germany
| | - Christian Schulz
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry; Greifswald University; Felix-Hausdorff-Str. 4 Greifswald 17487 Germany
| | - Ioannis V. Pavlidis
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry; Greifswald University; Felix-Hausdorff-Str. 4 Greifswald 17487 Germany
- Department of Chemistry; University of Crete; Voutes University Campus Heraklion 70013 Greece
| | - Hans Iding
- Process Chemistry and Catalysis, Biocatalysis; F. Hoffmann-La Roche Ltd.; Grenzacher Strasse 124 Basel 4070 Switzerland
| | - Rodrigo O. M. A. de Souza
- Biocatalysis and Organic Synthesis Group, Institute of Chemistry; Federal University of Rio de Janeiro; Brazil
| | - Uwe T. Bornscheuer
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry; Greifswald University; Felix-Hausdorff-Str. 4 Greifswald 17487 Germany
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