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Wegner U, Matthes F, von Wirén N, Hajirezaei MR, Bode R, Kunze G, Rauter M. A transaminase with β-activity from Variovorax boronicumulans for the production of enantiopure β-amino acids. Heliyon 2022; 9:e12729. [PMID: 36685366 PMCID: PMC9850050 DOI: 10.1016/j.heliyon.2022.e12729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 08/11/2022] [Accepted: 12/22/2022] [Indexed: 01/01/2023] Open
Abstract
Enantioselective transamination of amino acids is a great challenge in biotechnology as suitable enzymes with wide substrate spectrum are rare. Here, we present a new transaminase from Variovorax boronicumulans (VboTA, Variovorax boronicumulansω-transaminase) which is specific for β-amino acids. The amino acid sequence of VboTA is similar to an ω-transaminase from Variovorax paradoxus, for which a crystal-structure is available. This similarity is allowing us to classify VboTA as a fold type 1 ω-transaminase (ω-TA). Although both enzymes have a high sequence similarity (86% identities, 92% positives), there are differences in the active center, which allow VboTA to accept a broader substrate spectrum. Both enzymes have also a different temperature stability and temperature optimum. VboTA deaminates the D-form of aromatic β-amino acids, such as β-homophenylalanine and β-phenylalanine as well as aliphatic β-amino acids, such as β-homoalanine and β-leucine. The optimal reaction conditions turned out to be 32 °C and pH 9. Kinetic resolution lead to high enantiomeric excess of 86.6% to >99.9%, depending on the amino donor/acceptor pair. In contrast to many other ω-TAs, VboTA has a broad substrate spectrum and uses both aromatic or aliphatic amino acids. With γ-amino acids as substrates, VboTA showed no activity at all.
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Affiliation(s)
- Uwe Wegner
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, OT Gatersleben, D-06466 Seeland, Germany
| | - Falko Matthes
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, OT Gatersleben, D-06466 Seeland, Germany
| | - Nicolaus von Wirén
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, OT Gatersleben, D-06466 Seeland, Germany
| | - Mohammad-Reza Hajirezaei
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, OT Gatersleben, D-06466 Seeland, Germany
| | - Rüdiger Bode
- Institute of Microbiology, University of Greifswald, Felix-Hausdorff-Str. 8, D-17489 Greifswald, Germany
| | - Gotthard Kunze
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, OT Gatersleben, D-06466 Seeland, Germany,Corresponding author.
| | - Marion Rauter
- Orgentis Chemicals GmbH, Bahnhofstr. 3-5, OT Gatersleben, D-06466 Seeland, Germany
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2
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Carceller JM, Arias KS, Climent MJ, Iborra S, Corma A. Enzymatic and chemo-enzymatic strategies to produce highly valuable chiral amines from biomass with ω-transaminases on 2D zeolites. Natl Sci Rev 2022; 9:nwac135. [PMID: 36131886 PMCID: PMC9479500 DOI: 10.1093/nsr/nwac135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 06/14/2022] [Accepted: 06/27/2022] [Indexed: 12/04/2022] Open
Abstract
Amino transaminases (ATAs) have been supported on a 2D ITQ-2 zeolite through electrostatic interactions, resulting in a highly stable active biocatalyst to obtain a variety of valuable chiral amines starting from prochiral ketones derived from biomass. We have extended the biocatalyst applications by designing a chemo-enzymatic process that allows, as the first step, prochiral ketones to be obtained from biomass-derived compounds through an aldol condensation–reduction step using a bifunctional metal/base catalyst. The prochiral ketone is subsequently converted into the chiral amine using the immobilized ATA. We show that it is feasible to couple both steps in a semi-continuous process to produce industrially relevant chiral amines with yields of >95% and ∼100% enantiomer excess.
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Affiliation(s)
- J Miguel Carceller
- Instituto de Tecnologia Química (UPV-CSIC), Universitat Politècnica de València , Valencia 46022 , Spain
| | - Karen S Arias
- Instituto de Tecnologia Química (UPV-CSIC), Universitat Politècnica de València , Valencia 46022 , Spain
| | - Maria J Climent
- Instituto de Tecnologia Química (UPV-CSIC), Universitat Politècnica de València , Valencia 46022 , Spain
| | - Sara Iborra
- Instituto de Tecnologia Química (UPV-CSIC), Universitat Politècnica de València , Valencia 46022 , Spain
| | - Avelino Corma
- Instituto de Tecnologia Química (UPV-CSIC), Universitat Politècnica de València , Valencia 46022 , Spain
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3
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Yang J, Buekenhoudt A, Dael MV, Luis P, Satyawali Y, Malina R, Lizin S. A Techno-economic Assessment of a Biocatalytic Chiral Amine Production Process Integrated with In Situ Membrane Extraction. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jie Yang
- Centre for Environmental Sciences, Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
- Separation and Conversion Technology, VITO, Boeretang 200, 2400 Mol, Belgium
| | - Anita Buekenhoudt
- Separation and Conversion Technology, VITO, Boeretang 200, 2400 Mol, Belgium
| | - Miet Van Dael
- Centre for Environmental Sciences, Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
- Separation and Conversion Technology, VITO, Boeretang 200, 2400 Mol, Belgium
| | - Patricia Luis
- Materials & Process Engineering (iMMC-IMAP), UCLouvain, Place Sainte Barbe 2, 1348 Louvain-la-Neuve, Belgium
- Research & Innovation Centre for Process Engineering (ReCIPE), Place Sainte Barbe, 2 bte L5.02.02, 1348 Louvain-la-Neuve, Belgium
| | - Yamini Satyawali
- Separation and Conversion Technology, VITO, Boeretang 200, 2400 Mol, Belgium
| | - Robert Malina
- Centre for Environmental Sciences, Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
- Laboratory for Aviation and the Environment, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Sebastien Lizin
- Centre for Environmental Sciences, Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
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4
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Lakó Á, Molnár Z, Mendonça R, Poppe L. Transaminase-mediated synthesis of enantiopure drug-like 1-(3',4'-disubstituted phenyl)propan-2-amines. RSC Adv 2020; 10:40894-40903. [PMID: 35519186 PMCID: PMC9057730 DOI: 10.1039/d0ra08134e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 10/29/2020] [Indexed: 12/16/2022] Open
Abstract
Transaminases (TAs) offer an environmentally and economically attractive method for the direct synthesis of pharmaceutically relevant disubstituted 1-phenylpropan-2-amine derivatives starting from prochiral ketones. In this work, we report the application of immobilised whole-cell biocatalysts with (R)-transaminase activity for the synthesis of novel disubstituted 1-phenylpropan-2-amines. After optimisation of the asymmetric synthesis, the (R)-enantiomers could be produced with 88-89% conversion and >99% ee, while the (S)-enantiomers could be selectively obtained as the unreacted fraction of the corresponding racemic amines in kinetic resolution with >48% conversion and >95% ee.
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Affiliation(s)
- Ágnes Lakó
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics Műegyetem rkp. 3 1111 Budapest Hungary +36-1-463-3299
- Hovione Farmaciência, S.A., Campus do Lumiar Edifício R, Estrada do Paço do Lumiar 1649-038 Lisboa Portugal
| | - Zsófia Molnár
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics Műegyetem rkp. 3 1111 Budapest Hungary +36-1-463-3299
| | - Ricardo Mendonça
- Hovione Farmaciência, S.A., Campus do Lumiar Edifício R, Estrada do Paço do Lumiar 1649-038 Lisboa Portugal
| | - László Poppe
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics Műegyetem rkp. 3 1111 Budapest Hungary +36-1-463-3299
- Biocatalysis and Biotransformation Research Center, Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University of Cluj-Napoca Arany János Str. 11 400028 Cluj-Napoca Romania
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5
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Immobilized Whole-Cell Transaminase Biocatalysts for Continuous-Flow Kinetic Resolution of Amines. Catalysts 2019. [DOI: 10.3390/catal9050438] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Immobilization of transaminases creates promising biocatalysts for production of chiral amines in batch or continuous-flow mode reactions. E. coli cells containing overexpressed transaminases of various selectivities and hollow silica microspheres as supporting agent were immobilized by an improved sol-gel process to produce immobilized transaminase biocatalysts with suitable stability and mechanical properties for continuous-flow applications. The immobilized cell-based transaminase biocatalyst proved to be durable and easy-to-use in kinetic resolution of four racemic amines 1a–d. The batch and continuous-flow mode kinetic resolutions with transaminase biocatalyst of opposite stereopreference provided access to both enantiomers of the corresponding amines. By using the most suitable immobilized transaminase biocatalysts, this study describes the first transaminase-based approach for the production of both pure enantiomers of 1-(3,4-dimethoxyphenyl)ethan-1-amine 1d.
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Xie DF, Yang JX, Lv CJ, Mei JQ, Wang HP, Hu S, Zhao WR, Cao JR, Tu JL, Huang J, Mei LH. Construction of stabilized (R)-selective amine transaminase from Aspergillus terreus by consensus mutagenesis. J Biotechnol 2019; 293:8-16. [PMID: 30703468 DOI: 10.1016/j.jbiotec.2019.01.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 12/23/2018] [Accepted: 01/06/2019] [Indexed: 11/17/2022]
Abstract
Amine transaminases are a class of efficient and industrially-desired biocatalysts for the production of chiral amines. In this study, stabilized variants of the (R)-selective amine transaminase from Aspergillus terreus (AT-ATA) were constructed by consensus mutagenesis. Using Consensus Finder (http://cbs-kazlab.oit.umn.edu/), six positions with the most prevalent amino acid (over 60% threshold) among the homologous family members were identified. Subsequently, these six residues were individually mutated to match the consensus sequence (I77 L, Q97E, H210N, N245D, G292D, and I295 V) using site-directed mutagenesis. Compared to that of the wild-type, the thermostability of all six single variants was improved. The H210N variant displayed the largest shift in thermostability, with a 3.3-fold increase in half-life (t1/2) at 40 °C, and a 4.6 °C increase in T5010 among the single variants. In addition, the double mutant H210N/I77L displayed an even larger shift with 6.1-fold improvement of t1/2 at 40 °C, and a 6.6 °C increase in T5010. Furtherly, the H210N/I77L mutation was introduced into the previously engineered thermostable AT-ATA by the introduction of disulfide bonds, employing B-factor and folding free energy (ΔΔGfold) calculations. Our results showed that the combined variant H210N/I77L/M150C-M280C had the largest shift in thermostability, with a 16.6-fold improvement of t1/2 and a 11.8 °C higher T5010.
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Affiliation(s)
- Dong-Fang Xie
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, PR China
| | - Jun-Xing Yang
- Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Chang-Jiang Lv
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, PR China
| | - Jia-Qi Mei
- Department of Chemical Engineering, University of Utah, Salt Lake City, UT, 84102, United States
| | - Hong-Peng Wang
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, PR China
| | - Sheng Hu
- Department of Biological and Pharmaceutical Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, 315100, PR China
| | - Wei-Rui Zhao
- Department of Biological and Pharmaceutical Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, 315100, PR China
| | - Jia-Ren Cao
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, PR China
| | - Jun-Liang Tu
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, PR China
| | - Jun Huang
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, PR China.
| | - Le-He Mei
- Department of Biological and Pharmaceutical Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, 315100, PR China.
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7
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Leipold L, Dobrijevic D, Jeffries JWE, Bawn M, Moody TS, Ward JM, Hailes HC. The identification and use of robust transaminases from a domestic drain metagenome. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2019; 21:75-86. [PMID: 30930686 PMCID: PMC6394892 DOI: 10.1039/c8gc02986e] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 11/14/2018] [Indexed: 05/20/2023]
Abstract
Transaminases remain one of the most promising biocatalysts for use in chiral amine synthesis, however their industrial implementation has been hampered by their general instability towards, for example, high amine donor concentrations and organic solvent content. Herein we describe the identification, cloning and screening of 29 novel transaminases from a household drain metagenome. The most promising enzymes were fully characterised and the effects of pH, temperature, amine donor concentration and co-solvent determined. Several enzymes demonstrated good substrate tolerance as well as an unprecedented robustness for a wild-type transaminase. One enzyme in particular readily accepted IPA as an amine donor giving the same conversion with 2-50 equivalents, as well as being tolerant to a number of co-solvents, and operational in up to 50% DMSO - a characteristic as yet unobserved in a wild-type transaminase. This work highlights the value of using metagenomics for biocatalyst discovery from niche environments, and here has led to the identification of one of the most robust native transaminases described to date, with respect to IPA and DMSO tolerance.
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Affiliation(s)
- Leona Leipold
- Department of Chemistry , University College London , 20 Gordon Street , London WC1H 0AJ , UK .
| | - Dragana Dobrijevic
- The Advanced Centre for Biochemical Engineering , Department of Biochemical Engineering , University College London , Bernard Katz Building , Gower Street , London WC1E 6BT , UK .
| | - Jack W E Jeffries
- The Advanced Centre for Biochemical Engineering , Department of Biochemical Engineering , University College London , Bernard Katz Building , Gower Street , London WC1E 6BT , UK .
| | - Maria Bawn
- The Advanced Centre for Biochemical Engineering , Department of Biochemical Engineering , University College London , Bernard Katz Building , Gower Street , London WC1E 6BT , UK .
| | - Thomas S Moody
- Department of Biocatalysis and Isotope Chemistry , Almac , 20 Seagoe Industrial Estate , Craigavon , Northern Ireland , UK
| | - John M Ward
- The Advanced Centre for Biochemical Engineering , Department of Biochemical Engineering , University College London , Bernard Katz Building , Gower Street , London WC1E 6BT , UK .
| | - Helen C Hailes
- Department of Chemistry , University College London , 20 Gordon Street , London WC1H 0AJ , UK .
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8
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Kim GH, Jeon H, Khobragade TP, Patil MD, Sung S, Yoon S, Won Y, Choi IS, Yun H. Enzymatic synthesis of sitagliptin intermediate using a novel ω-transaminase. Enzyme Microb Technol 2019; 120:52-60. [DOI: 10.1016/j.enzmictec.2018.10.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/17/2018] [Accepted: 10/05/2018] [Indexed: 01/10/2023]
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9
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Satyawali Y, Del Pozo DF, Vandezande P, Nopens I, Dejonghe W. Investigating Pervaporation for In Situ Acetone Removal as Process Intensification Tool in ω-Transaminase Catalyzed Chiral Amine Synthesis. Biotechnol Prog 2018; 35:e2731. [PMID: 30315731 DOI: 10.1002/btpr.2731] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 07/10/2018] [Accepted: 10/09/2018] [Indexed: 11/10/2022]
Abstract
Hydrophobic pervaporation (PV), allowing for the separation of an organic component from an aqueous stream, was investigated for in situ acetone removal from a transamination reaction. A poly(dimethylsiloxane) membrane was applied in a coupled enzymatic process at 5 L scale. Among the four components, there was no loss of donor and product amines through PV which was highly desirable. However, in addition to removal of acetone, there was also an unwanted loss of acetophenone (substrate ketone) because of PV. The coupled enzyme-PV process resulted in 13% more product formation compared to the control process (where no PV was applied) after 9 h. Results from a qualitative simulation study (based on partial vapor pressures and a vapor-liquid equilibrium of the feed solution) indicated that PV might have an advantage over direct distillation strategy for selective removal of acetone from the reaction medium. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 35: e2731, 2019.
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Affiliation(s)
- Yamini Satyawali
- Separation and Conversion Technology, Flemish Inst. for Technological Research (VITO), Mol, Belgium
| | - David Fernandes Del Pozo
- BIOMATH, Dept. of Data Analysis and Mathematical Modelling, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Pieter Vandezande
- Separation and Conversion Technology, Flemish Inst. for Technological Research (VITO), Mol, Belgium
| | - Ingmar Nopens
- BIOMATH, Dept. of Data Analysis and Mathematical Modelling, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Winnie Dejonghe
- Separation and Conversion Technology, Flemish Inst. for Technological Research (VITO), Mol, Belgium
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10
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Zhang Y, Cheng F, Yan H, Zheng J, Wang Z. The enzymatic resolution of 1-(4-chlorophenyl)ethylamine by Novozym 435 to prepare a novel triazolopyrimidine herbicide. Chirality 2018; 30:1225-1232. [DOI: 10.1002/chir.23016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 07/24/2018] [Accepted: 08/06/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Yinjun Zhang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering; Zhejiang University of Technology; Hangzhou China
| | - Feifei Cheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering; Zhejiang University of Technology; Hangzhou China
| | - Hongde Yan
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering; Zhejiang University of Technology; Hangzhou China
| | - Jianyong Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering; Zhejiang University of Technology; Hangzhou China
| | - Zhao Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering; Zhejiang University of Technology; Hangzhou China
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11
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Recent Advances in ω-Transaminase-Mediated Biocatalysis for the Enantioselective Synthesis of Chiral Amines. Catalysts 2018. [DOI: 10.3390/catal8070254] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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12
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Chen S, Campillo-Brocal JC, Berglund P, Humble MS. Characterization of the stability of Vibrio fluvialis JS17 amine transaminase. J Biotechnol 2018; 282:10-17. [PMID: 29906477 DOI: 10.1016/j.jbiotec.2018.06.309] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 06/01/2018] [Accepted: 06/07/2018] [Indexed: 10/14/2022]
Abstract
The amine transaminase from Vibrio fluvialis (Vf-ATA) is an attractive enzyme with applications within Biocatalysis for the preparation of chiral amines. Various catalytic properties of Vf-ATA have been investigated, but a biophysical characterization of its stability has been lacking. Today, the industrial application of Vf-ATA is limited by its low operational stability. In order to enhance the knowledge regarding the structural stability of ATAs, general characterizations of different ATAs are required. In this work, the stability of Vf-ATA was explored. First, the affinity between enzyme and pyridoxal-5'-phosphate (PLP) (KD value of 7.9 μM) was determined. Addition of PLP to enzyme preparations significantly improved the enzyme thermal stability by preventing enzyme unfolding. With the aim to understand if this was due to the PLP phosphate group coordination into the phosphate group binding cup, the effect of phosphate buffer on the enzyme stability was compared to HEPES buffer. Low concentrations of phosphate buffer showed a positive effect on the enzyme initial activity, while higher phosphate buffer concentrations prevented cofactor dissociation. Additionally, the effects of various amine or ketone substrates on the enzyme stability were explored. All tested amines caused a concentration dependent enzyme inactivation, while the corresponding ketones showed no or stabilizing effects. The enzyme inactivation due to the presence of amine can be connected to the formation of PMP, which forms in the presence of amines in the absence of ketone. Since PMP is not covalently bound to the enzyme, it could readily leave the enzyme upon formation. Exploring the different stability effects of cofactor, substrates, additives and buffer system on ATAs seems to be important in order to understand and improve the general performance of ATAs.
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Affiliation(s)
- Shan Chen
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Department of Industrial Biotechnology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Jonatan C Campillo-Brocal
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Department of Industrial Biotechnology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Per Berglund
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Department of Industrial Biotechnology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Maria Svedendahl Humble
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Department of Industrial Biotechnology, AlbaNova University Center, SE-106 91, Stockholm, Sweden; Pharem Biotech AB, Biovation Park, Forskargatan 20 J, SE-151 36, Södertälje, Sweden.
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13
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Slabu I, Galman JL, Lloyd RC, Turner NJ. Discovery, Engineering, and Synthetic Application of Transaminase Biocatalysts. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02686] [Citation(s) in RCA: 184] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Iustina Slabu
- School
of Chemistry, The University of Manchester, Manchester Institute of Biotechnology, 131 Princess Street, M1 7DN Manchester, United Kingdom
| | - James L. Galman
- School
of Chemistry, The University of Manchester, Manchester Institute of Biotechnology, 131 Princess Street, M1 7DN Manchester, United Kingdom
| | - Richard C. Lloyd
- Dr.
Reddy’s Laboratories, Chirotech Technology Centre, CB4 0PE Cambridge, United Kingdom
| | - Nicholas J. Turner
- School
of Chemistry, The University of Manchester, Manchester Institute of Biotechnology, 131 Princess Street, M1 7DN Manchester, United Kingdom
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14
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Asymmetric synthesis of chiral amine in organic solvent and in-situ product recovery for process intensification: A case study. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2016.11.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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15
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Mathew S, Deepankumar K, Shin G, Hong EY, Kim BG, Chung T, Yun H. Identification of novel thermostable ω-transaminase and its application for enzymatic synthesis of chiral amines at high temperature. RSC Adv 2016. [DOI: 10.1039/c6ra15110h] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel thermostable ω-transaminase from Thermomicrobium roseum showing broad substrate specificity and high enantioselectivity was identified, expressed and biochemically characterized and it could produce chiral amines at high temperature.
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Affiliation(s)
- Sam Mathew
- Department of Bioscience & Biotechnology
- Konkuk University
- Seoul
- South Korea
| | - Kanagavel Deepankumar
- School of Materials Science and Engineering
- Biological & Biomimetic Material Laboratory
- Nanyang Technological University
- Singapore
| | - Giyoung Shin
- School of Interdisciplinary Bioscience and Bioengineering
- Pohang University of Science and Technology
- Pohang
- Republic of Korea
| | - Eun Young Hong
- School of Chemical and Biological Engineering
- Seoul National University
- Seoul
- South Korea
| | - Byung-Gee Kim
- School of Chemical and Biological Engineering
- Seoul National University
- Seoul
- South Korea
| | - Taeowan Chung
- School of Biotechnology
- Yeungnam University
- Gyeongsan
- South Korea
| | - Hyungdon Yun
- Department of Bioscience & Biotechnology
- Konkuk University
- Seoul
- South Korea
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16
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An improved process for biocatalytic asymmetric amine synthesis by in situ product removal using a supported liquid membrane. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2015.10.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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17
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Cerioli L, Planchestainer M, Cassidy J, Tessaro D, Paradisi F. Characterization of a novel amine transaminase from Halomonas elongata. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.07.009] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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18
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Neto W, Schürmann M, Panella L, Vogel A, Woodley JM. Immobilisation of ω-transaminase for industrial application: Screening and characterisation of commercial ready to use enzyme carriers. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.04.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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19
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Börner T, Rehn G, Grey C, Adlercreutz P. A Process Concept for High-Purity Production of Amines by Transaminase-Catalyzed Asymmetric Synthesis: Combining Enzyme Cascade and Membrane-Assisted ISPR. Org Process Res Dev 2015. [DOI: 10.1021/acs.oprd.5b00055] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Tim Börner
- Department
of Biotechnology, Lund University, P.O. Box, 221 00 Lund, Sweden
| | - Gustav Rehn
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Carl Grey
- Department
of Biotechnology, Lund University, P.O. Box, 221 00 Lund, Sweden
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20
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Scheidt T, Land H, Anderson M, Chen Y, Berglund P, Yi D, Fessner WD. Fluorescence-Based Kinetic Assay for High-Throughput Discovery and Engineering of Stereoselective ω-Transaminases. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500215] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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21
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Modelling and optimisation of the one-pot, multi-enzymatic synthesis of chiral amino-alcohols based on microscale kinetic parameter determination. Chem Eng Sci 2015. [DOI: 10.1016/j.ces.2014.09.046] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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22
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Cassimjee KE, Manta B, Himo F. A quantum chemical study of the ω-transaminase reaction mechanism. Org Biomol Chem 2015; 13:8453-64. [DOI: 10.1039/c5ob00690b] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The detailed half-transamination mechanism of Chromobacterium violaceum ω-transaminase is investigated by means of density functional theory calculations.
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Affiliation(s)
| | - Bianca Manta
- Department of Organic Chemistry
- Arrhenius Laboratory
- Stockholm University
- SE-106 91 Stockholm
- Sweden
| | - Fahmi Himo
- Department of Organic Chemistry
- Arrhenius Laboratory
- Stockholm University
- SE-106 91 Stockholm
- Sweden
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23
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Klatte S, Wendisch VF. Redox self-sufficient whole cell biotransformation for amination of alcohols. Bioorg Med Chem 2014; 22:5578-85. [PMID: 24894767 DOI: 10.1016/j.bmc.2014.05.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 05/02/2014] [Accepted: 05/09/2014] [Indexed: 10/25/2022]
Abstract
Whole cell biotransformation is an upcoming tool to replace common chemical routes for functionalization and modification of desired molecules. In the approach presented here the production of various non-natural (di)amines was realized using the designed whole cell biocatalyst Escherichia coli W3110/pTrc99A-ald-adh-ta with plasmid-borne overexpression of genes for an l-alanine dehydrogenase, an alcohol dehydrogenase and a transaminase. Cascading alcohol oxidation with l-alanine dependent transamination and l-alanine dehydrogenase allowed for redox self-sufficient conversion of alcohols to the corresponding amines. The supplementation of the corresponding (di)alcohol precursors as well as amino group donor l-alanine and ammonium chloride were sufficient for amination and redox cofactor recycling in a resting buffer system. The addition of the transaminase cofactor pyridoxal-phosphate and the alcohol dehydrogenase cofactor NAD(+) was not necessary to obtain complete conversion. Secondary and cyclic alcohols, for example, 2-hexanol and cyclohexanol were not aminated. However, efficient redox self-sufficient amination of aliphatic and aromatic (di)alcohols in vivo was achieved with 1-hexanol, 1,10-decanediol and benzylalcohol being aminated best.
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Affiliation(s)
- Stephanie Klatte
- Chair of Genetics of Prokaryotes, Faculty of Biology & CeBiTec, Bielefeld University, Universitaetsstr. 25, 33615 Bielefeld, Germany
| | - Volker F Wendisch
- Chair of Genetics of Prokaryotes, Faculty of Biology & CeBiTec, Bielefeld University, Universitaetsstr. 25, 33615 Bielefeld, Germany.
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24
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Supported liquid membrane as a novel tool for driving the equilibrium of ω-transaminase catalyzed asymmetric synthesis. J Biotechnol 2014; 179:50-5. [PMID: 24675224 DOI: 10.1016/j.jbiotec.2014.03.022] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2013] [Revised: 02/13/2014] [Accepted: 03/12/2014] [Indexed: 11/21/2022]
Abstract
An attractive option to produce chiral amines of industrial importance is through asymmetric synthesis using ω-transaminase. However, reaching high yields often requires a strategy for shifting the equilibrium position. This paper describes a novel strategy for handling this problem. It involves the use of a supported liquid membrane (SLM) together with a packed bed reactor. The reactor contains Escherichia coli cells with ω-transaminase from Arthrobacter citreus, immobilized by flocculation with chitosan. The SLM consists of a hollow fibre membrane contactor in which the pores contain undecane. The system enables continuous extraction of the amine product and was used to successfully shift the equilibrium in asymmetric synthesis of (S)-α-methylbenzylamine (MBA). A conversion of 98% was reached, compared to 50% without product extraction. Moreover, a selective extraction of the produced MBA was realized. A high product concentration of 55g/l was reached after 80h, and the system showed promising potential for continuous operation.
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25
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Deepankumar K, Shon M, Nadarajan SP, Shin G, Mathew S, Ayyadurai N, Kim BG, Choi SH, Lee SH, Yun H. Enhancing Thermostability and Organic Solvent Tolerance of ω-Transaminase through Global Incorporation of Fluorotyrosine. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300706] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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26
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Łyskowski A, Gruber C, Steinkellner G, Schürmann M, Schwab H, Gruber K, Steiner K. Crystal structure of an (R)-selective ω-transaminase from Aspergillus terreus. PLoS One 2014; 9:e87350. [PMID: 24498081 PMCID: PMC3907554 DOI: 10.1371/journal.pone.0087350] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 12/19/2013] [Indexed: 11/18/2022] Open
Abstract
Chiral amines are important building blocks for the synthesis of pharmaceutical products, fine chemicals, and agrochemicals. ω-Transaminases are able to directly synthesize enantiopure chiral amines by catalysing the transfer of an amino group from a primary amino donor to a carbonyl acceptor with pyridoxal 5′-phosphate (PLP) as cofactor. In nature, (S)-selective amine transaminases are more abundant than the (R)-selective enzymes, and therefore more information concerning their structures is available. Here, we present the crystal structure of an (R)-ω-transaminase from Aspergillus terreus determined by X-ray crystallography at a resolution of 1.6 Å. The structure of the protein is a homodimer that displays the typical class IV fold of PLP-dependent aminotransferases. The PLP-cofactor observed in the structure is present in two states (i) covalently bound to the active site lysine (the internal aldimine form) and (ii) as substrate/product adduct (the external aldimine form) and free lysine. Docking studies revealed that (R)-transaminases follow a dual binding mode, in which the large binding pocket can harbour the bulky substituent of the amine or ketone substrate and the α-carboxylate of pyruvate or amino acids, and the small binding pocket accommodates the smaller substituent.
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Affiliation(s)
| | | | | | | | - Helmut Schwab
- ACIB GmbH, c/o TU Graz, Graz, Austria
- Institute of Molecular Biotechnology, TU Graz, Graz, Austria
| | - Karl Gruber
- ACIB GmbH, c/o TU Graz, Graz, Austria
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
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27
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Simon RC, Richter N, Busto E, Kroutil W. Recent Developments of Cascade Reactions Involving ω-Transaminases. ACS Catal 2013. [DOI: 10.1021/cs400930v] [Citation(s) in RCA: 219] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Robert C. Simon
- Department
of Chemistry, Organic and Bioorganic Chemistry, University of Graz, Heinrichstraße 28, 8010 Graz, Austria
| | - Nina Richter
- ACIB GmbH, c/o Heinrichstraße
28, 8010 Graz, Austria
| | - Eduardo Busto
- Department
of Chemistry, Organic and Bioorganic Chemistry, University of Graz, Heinrichstraße 28, 8010 Graz, Austria
| | - Wolfgang Kroutil
- Department
of Chemistry, Organic and Bioorganic Chemistry, University of Graz, Heinrichstraße 28, 8010 Graz, Austria
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28
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Investigation of one-enzyme systems in the ω-transaminase-catalyzed synthesis of chiral amines. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcatb.2013.06.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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29
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Microscale methods to rapidly evaluate bioprocess options for increasing bioconversion yields: application to the ω-transaminase synthesis of chiral amines. Bioprocess Biosyst Eng 2013; 37:931-41. [DOI: 10.1007/s00449-013-1065-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Accepted: 09/12/2013] [Indexed: 10/26/2022]
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30
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Lerchner A, Achatz S, Rausch C, Haas T, Skerra A. Coupled Enzymatic Alcohol-to-Amine Conversion of Isosorbide using Engineered Transaminases and Dehydrogenases. ChemCatChem 2013. [DOI: 10.1002/cctc.201300284] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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31
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Rios-Solis L, Bayir N, Halim M, Du C, Ward J, Baganz F, Lye G. Non-linear kinetic modelling of reversible bioconversions: Application to the transaminase catalyzed synthesis of chiral amino-alcohols. Biochem Eng J 2013. [DOI: 10.1016/j.bej.2013.01.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Rausch C, Lerchner A, Schiefner A, Skerra A. Crystal structure of the ω-aminotransferase from Paracoccus denitrificans and its phylogenetic relationship with other class III aminotransferases that have biotechnological potential. Proteins 2013; 81:774-87. [PMID: 23239223 DOI: 10.1002/prot.24233] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Revised: 11/12/2012] [Accepted: 11/21/2012] [Indexed: 12/21/2022]
Abstract
Apart from their crucial role in metabolism, pyridoxal 5'-phosphate (PLP)-dependent aminotransferases (ATs) constitute a class of enzymes with increasing application in industrial biotechnology. To provide better insight into the structure-function relationships of ATs with biotechnological potential we performed a fundamental bioinformatics analysis of 330 representative sequences of pro- and eukaryotic Class III ATs using a structure-guided approach. The calculated phylogenetic maximum likelihood tree revealed six distinct clades of which the first segregates with a very high bootstrap value of 92%. Most enzymes in this first clade have been functionally well characterized, whereas knowledge about the natural functions and substrates of enzymes in the other branches is sparse. Notably, in those clades 2-6 members of the peculiar class of ω-ATs prevail, many of which have proven useful for the preparation of chiral amines or artificial amino acids. One representative is the ω-AT from Paracoccus denitrificans (PD ω-AT) which catalyzes, for example, the transamination in a novel biocatalytic process for the production of L-homoalanine from L-threonine. To gain structural insight into this important enzyme, its X-ray analysis was carried out at a resolution of 2.6 Å, including the covalently bound PLP as well as 5-aminopentanoate as a putative amino donor substrate. On the basis of this crystal structure in conjunction with our phylogenetic analysis, we have identified a generic set of active site residues of ω-ATs that are associated with a strong preference for aromatic substrates, thus guiding the discovery of novel promising enzymes for the biotechnological production of corresponding chiral amines.
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Affiliation(s)
- Christian Rausch
- Munich Center for integrated Protein Science (CiPSM) and Lehrstuhl für Biologische Chemie, Technische Universität München, Freising-Weihenstephan, Germany
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33
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Rehn G, Grey C, Branneby C, Lindberg L, Adlercreutz P. Activity and stability of different immobilized preparations of recombinant E. coli cells containing ω-transaminase. Process Biochem 2012. [DOI: 10.1016/j.procbio.2012.04.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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34
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Malik MS, Park ES, Shin JS. Features and technical applications of ω-transaminases. Appl Microbiol Biotechnol 2012; 94:1163-71. [PMID: 22555915 DOI: 10.1007/s00253-012-4103-3] [Citation(s) in RCA: 157] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2012] [Revised: 04/06/2012] [Accepted: 04/11/2012] [Indexed: 11/28/2022]
Abstract
Chiral amines in enantiopure forms are important chemical building blocks, which are most well recognized in the pharmaceutical industries for imparting desirable biological activity to chemical entities. A number of synthetic strategies to produce chiral amines via biocatalytic as well as chemical transformation have been developed. Recently, ω-transaminase (ω-TA) has attracted growing attention as a promising catalyst which provides an environment-friendly access to production of chiral amines with exquisite stereoselectivity and excellent catalytic turnover. To obtain enantiopure amines using ω-TAs, either kinetic resolution of racemic amines or asymmetric amination of achiral ketones is employed. The latter is usually preferred because of twofold higher yield and no requirement of conversion of a ketone product back to racemic amine. However, the choice of a production process depends on several factors such as reaction equilibrium, substrate reactivity, enzyme inhibition, and commercial availability of substrates. This review summarizes the biochemical features of ω-TA, including reaction chemistry, substrate specificity, and active site structure, and then introduces recent advances in expanding the scope of ω-TA reaction by protein engineering and public database searching. We also address crucial factors to be considered for the development of efficient ω-TA processes.
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Affiliation(s)
- M Shaheer Malik
- Department of Biotechnology, Yonsei University, Seoul, South Korea
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35
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Mathew S, Yun H. ω-Transaminases for the Production of Optically Pure Amines and Unnatural Amino Acids. ACS Catal 2012. [DOI: 10.1021/cs300116n] [Citation(s) in RCA: 234] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sam Mathew
- School of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk, 712-749, Korea
| | - Hyungdon Yun
- School of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk, 712-749, Korea
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36
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Abstract
Aminotransferases are key enzymes of the metabolism of proteinogenic amino acids. These ubiquitous biocatalysts show high specific activities and relaxed substrate specificities making them valuable tools for the stereoselective synthesis of unnatural amino acids. We describe here the application of aspartate aminotransferase and branched chain aminotransferase from E. coli for the synthesis of various glutamate analogues, molecules of particular interest regarding the neuroactive properties of glutamic acid.
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37
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Humble MS, Cassimjee KE, Håkansson M, Kimbung YR, Walse B, Abedi V, Federsel HJ, Berglund P, Logan DT. Crystal structures of the Chromobacterium violaceumω-transaminase reveal major structural rearrangements upon binding of coenzyme PLP. FEBS J 2012; 279:779-92. [PMID: 22268978 DOI: 10.1111/j.1742-4658.2012.08468.x] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
UNLABELLED The bacterial ω-transaminase from Chromobacterium violaceum (Cv-ωTA, EC2.6.1.18) catalyses industrially important transamination reactions by use of the coenzyme pyridoxal 5'-phosphate (PLP). Here, we present four crystal structures of Cv-ωTA: two in the apo form, one in the holo form and one in an intermediate state, at resolutions between 1.35 and 2.4 Å. The enzyme is a homodimer with a molecular mass of ∼ 100 kDa. Each monomer has an active site at the dimeric interface that involves amino acid residues from both subunits. The apo-Cv-ωTA structure reveals unique 'relaxed' conformations of three critical loops involved in structuring the active site that have not previously been seen in a transaminase. Analysis of the four crystal structures reveals major structural rearrangements involving elements of the large and small domains of both monomers that reorganize the active site in the presence of PLP. The conformational change appears to be triggered by binding of the phosphate group of PLP. Furthermore, one of the apo structures shows a disordered 'roof ' over the PLP-binding site, whereas in the other apo form and the holo form the 'roof' is ordered. Comparison with other known transaminase crystal structures suggests that ordering of the 'roof' structure may be associated with substrate binding in Cv-ωTA and some other transaminases. DATABASE The atomic coordinates and structure factors for the Chromobacterium violaceumω-transaminase crystal structures can be found in the RCSB Protein Data Bank (http://www.rcsb.org) under the accession codes 4A6U for the holoenzyme, 4A6R for the apo1 form, 4A6T for the apo2 form and 4A72 for the mixed form STRUCTURED DIGITAL ABSTRACT • -transaminases and -transaminases bind by dynamic light scattering (View interaction) • -transaminase and -transaminase bind by x-ray crystallography (View interaction) • -transaminase and -transaminase bind by x-ray crystallography (View interaction).
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Affiliation(s)
- Maria S Humble
- Division of Biochemistry, KTH Royal Institute of Technology, Stockholm, Sweden
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38
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Mutti FG, Fuchs CS, Pressnitz D, Turrini NG, Sattler JH, Lerchner A, Skerra A, Kroutil W. Amination of Ketones by Employing Two New (S)-Selective ω-Transaminases and the His-Tagged ω-TA from Vibrio fluvialis. European J Org Chem 2011. [DOI: 10.1002/ejoc.201101476] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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39
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Iwasaki A, Matsumoto K, Hasegawa J, Yasohara Y. A novel transaminase, (R)-amine:pyruvate aminotransferase, from Arthrobacter sp. KNK168 (FERM BP-5228): purification, characterization, and gene cloning. Appl Microbiol Biotechnol 2011; 93:1563-73. [PMID: 22002066 DOI: 10.1007/s00253-011-3580-0] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Revised: 08/22/2011] [Accepted: 09/14/2011] [Indexed: 11/26/2022]
Abstract
A novel (R)-amine transaminase, which catalyzed (R)-enantioselective transamination of chiral amine, was purified to homogeneity from Arthrobacter sp. KNK168 (FERM BP-5228). The molecular mass of the enzyme was estimated to be 148 kDa by gel filtration and 37 kDa by sodium dodecyl sulfate polyacrylamide gel electrophoresis, suggesting a homotetrameric structure. The enzyme catalyzed transamination between amines and pyruvate stereo-specifically. The reaction on 1-methylbenzylamine was (R)-enantioselective. Pyruvate was the best amino acceptor, but the enzyme showed broad amino acceptor specificity for various ketone and aldehyde compounds. The apparent K(m)s for (R)-1-methylbenzylamine and pyruvate were 2.62 and 2.29 mM, respectively. The cloned gene of the enzyme consists of an open reading frame (ORF) of 993 bp encoding a protein of 330 amino acids, with a calculated molecular weight of 36,288. The deduced amino acid sequence was found to be homologous to those of the aminotransferases belonging to fold class IV of pyridoxal-5'-phosphate-dependent enzymes, such as branched-chain amino acid aminotransferases.
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Affiliation(s)
- Akira Iwasaki
- QOL Division Technology Management Department Research Group, Kaneka Corporation, Takasago, Hyogo, Japan.
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40
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Park ES, Kim M, Shin JS. Molecular determinants for substrate selectivity of ω-transaminases. Appl Microbiol Biotechnol 2011; 93:2425-35. [DOI: 10.1007/s00253-011-3584-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Revised: 08/22/2011] [Accepted: 09/15/2011] [Indexed: 11/29/2022]
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41
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42
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Rios-Solis L, Halim M, Cázares A, Morris P, Ward JM, Hailes HC, Dalby PA, Baganz F, Lye GJ. A toolbox approach for the rapid evaluation of multi-step enzymatic syntheses comprising a ‘mix and match’E. coliexpression system with microscale experimentation. BIOCATAL BIOTRANSFOR 2011. [DOI: 10.3109/10242422.2011.609589] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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43
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Bea HS, Lee SH, Yun H. Asymmetric synthesis of (R)-3-fluoroalanine from 3-fluoropyruvate using omega-transaminase. BIOTECHNOL BIOPROC E 2011. [DOI: 10.1007/s12257-010-0282-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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44
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Process considerations for the asymmetric synthesis of chiral amines using transaminases. Biotechnol Bioeng 2011; 108:1479-93. [DOI: 10.1002/bit.23154] [Citation(s) in RCA: 200] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Revised: 03/25/2011] [Accepted: 03/28/2011] [Indexed: 11/07/2022]
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45
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Bea HS, Park HJ, Lee SH, Yun H. Kinetic resolution of aromatic β-amino acids by ω-transaminase. Chem Commun (Camb) 2011; 47:5894-6. [DOI: 10.1039/c1cc11528f] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Clay D, Koszelewski D, Grischek B, Gross J, Lavandera I, Kroutil W. Testing of microorganisms for ω-transaminase activity. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.07.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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47
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Jang TH, Kim B, Park OK, Bae JY, Kim BG, Yun H, Park HH. Crystallization and preliminary X-ray crystallographic studies of ω-transaminase from Vibrio fluvialis JS17. Acta Crystallogr Sect F Struct Biol Cryst Commun 2010; 66:923-5. [PMID: 20693669 DOI: 10.1107/s1744309110021573] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2010] [Accepted: 06/07/2010] [Indexed: 11/10/2022]
Abstract
Omega-transaminase (ω-TA) catalyzes the transfer of an amino group from a non-alpha-position amino acid or an amine compound with no carboxylic group to an amino acceptor. ω-TA from Vibrio fluvialis JS17 (ω-TAVf) is a novel amine:pyruvate transaminase that is capable of stereoselective transamination of aryl chiral amines. In this study, omega-TAVf was overexpressed in Escherichia coli with engineered C-terminal His tags. ω-TAVf was then purified to homogeneity and crystallized at 292 K. X-ray diffraction data were collected to a resolution of 2.5 A from a crystal belonging to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a=78.43, b=95.95, c=122.89 A.
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Affiliation(s)
- Tae-ho Jang
- School of Biotechnology and Graduate School of Biochemistry at Yeungnam University, Gyeongsan, Republic of Korea
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48
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Bea HS, Seo YM, Cha MH, Kim BG, Yun H. Kinetic resolution of α-methylbenzylamine by recombinant Pichia pastoris expressing ω-transaminase. BIOTECHNOL BIOPROC E 2010. [DOI: 10.1007/s12257-009-3093-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Koszelewski D, Tauber K, Faber K, Kroutil W. omega-Transaminases for the synthesis of non-racemic alpha-chiral primary amines. Trends Biotechnol 2010; 28:324-32. [PMID: 20430457 DOI: 10.1016/j.tibtech.2010.03.003] [Citation(s) in RCA: 323] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2010] [Revised: 03/16/2010] [Accepted: 03/24/2010] [Indexed: 01/24/2023]
Abstract
Optically pure amines are highly valuable products or key intermediates for a vast number of bioactive compounds; however, efficient methods for their preparation are rare. omega-Transaminases (TAs) can be applied either for the kinetic resolution of racemic amines or for the asymmetric synthesis of amines from the corresponding ketones. The latter process is more advantageous because it leads to 100% product, and is therefore a major focus of this review. This review summarizes various methodologies for transamination reactions, and provides an overview of omega-TAs that have the potential to be used for the preparation of a broad spectrum of alpha-chiral amines. Recent methodological developments as well as some recently identified novel omega-TAs warrant an update on this topic.
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Affiliation(s)
- Dominik Koszelewski
- Department of Chemistry, Organic and Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
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Koszelewski D, Göritzer M, Clay D, Seisser B, Kroutil W. Synthesis of Optically Active Amines Employing Recombinant Ï-Transaminases inE.â
coliCells. ChemCatChem 2010. [DOI: 10.1002/cctc.200900220] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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