1
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Zhu F, Zhang J, Ma Y, Yang L, Gao Q, Gao S, Cui C. Semi-rational design of an imine reductase for asymmetric synthesis of alkylated S-4-azepanamines. Org Biomol Chem 2023; 21:4181-4184. [PMID: 37129863 DOI: 10.1039/d3ob00442b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Although imine reductase (IRED)-catalyzed reductive amination is promising for the synthesis of alkylated chiral amines, precisely regulating the stereoselectivity of IRED remains a great challenge. Herein, focusing on the residues directly in contact with the ketone moiety, we applied structure-guided semi-rational design to obtain the triple-mutant I149Y/L200H/W234K. This mutant showed high stereoselectivity, of up to >99% (S), toward reductive amination of N-Boc-4-oxo-azepane and different amines, and to the best of our knowledge is the first biocatalyst developed for asymmetric synthesis of chiral azepane-4-amines.
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Affiliation(s)
- Fangfang Zhu
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Jun Zhang
- School of Life Science, Hebei University, Baoding 071002, China.
| | - Yaqing Ma
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Lujia Yang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Qiang Gao
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Shushan Gao
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
| | - Chengsen Cui
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
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2
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Li F, Du Y, Liang Y, Wei Y, Zheng Y, Yu H. Redesigning an ( R)-Selective Transaminase for the Efficient Synthesis of Pharmaceutical N-Heterocyclic Amines. ACS Catal 2022. [DOI: 10.1021/acscatal.2c05177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Fulong Li
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
- Key Laboratory of Industrial Biocatalysis (Tsinghua University), The Ministry of Education, Beijing 100084, People’s Republic of China
| | - Yan Du
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
- Key Laboratory of Industrial Biocatalysis (Tsinghua University), The Ministry of Education, Beijing 100084, People’s Republic of China
| | - Youxiang Liang
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
- Key Laboratory of Industrial Biocatalysis (Tsinghua University), The Ministry of Education, Beijing 100084, People’s Republic of China
| | - Yuwen Wei
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
- Key Laboratory of Industrial Biocatalysis (Tsinghua University), The Ministry of Education, Beijing 100084, People’s Republic of China
| | - Yukun Zheng
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
- Key Laboratory of Industrial Biocatalysis (Tsinghua University), The Ministry of Education, Beijing 100084, People’s Republic of China
| | - Huimin Yu
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
- Key Laboratory of Industrial Biocatalysis (Tsinghua University), The Ministry of Education, Beijing 100084, People’s Republic of China
- Center for Synthetic and Systems Biology, Tsinghua University, Beijing 100084, People’s Republic of China
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3
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Schiffers I, Frings M, Kübber BM, Truong KN, Rissanen K, Bolm C. Preparation of Enantiopure 3-Aminopiperidine and 3-Aminoazepane Derivatives from Ornithine and Lysine. Consecutive Syntheses of Pharmacologically Active Analogs, Such as Besifloxacin. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00152] [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)
- Ingo Schiffers
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Marcus Frings
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Britta Maria Kübber
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Khai-Nghi Truong
- Department of Chemistry, University of Jyvaskyla, P.O. Box 35, Survontie 9B, FI-40014 Jyväskylä, Finland
| | - Kari Rissanen
- Department of Chemistry, University of Jyvaskyla, P.O. Box 35, Survontie 9B, FI-40014 Jyväskylä, Finland
| | - Carsten Bolm
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
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4
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Wang X, Xie Y, Wang Z, Zhang K, Wang H, Wei D. Efficient Synthesis of ( S)-1-Boc-3-aminopiperidine in a Continuous Flow System Using ω-Transaminase-Immobilized Amino-Ethylenediamine-Modified Epoxide Supports. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiangxiang Wang
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Youyu Xie
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Zhicai Wang
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Ke Zhang
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Hualei Wang
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Dongzhi Wei
- State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, P.R. China
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5
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Baud D, Tappertzhofen N, Moody TS, Ward JM, Hailes HC. Stereoselective Transaminase‐Mediated Synthesis of Serotonin and Melatonin Receptor Agonists. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200146] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Damien Baud
- Department of Chemistry University College London 20 Gordon Street London WC1H 0AJ, U.K
| | - Nadine Tappertzhofen
- Department of Chemistry University College London 20 Gordon Street London WC1H 0AJ, U.K
| | - Thomas S. Moody
- Almac Department of Biocatalysis & Isotope Chemistry 20 Seagoe Industrial Estate Craigavon BT63 5QD N. Ireland, U.K
- Arran Chemical Company Limited Unit 1 Monksland Industrial Estate Athlone Co. Roscommon Ireland
| | - John M. Ward
- University College London Department of Biochemical Engineering Bernard Katz Building London WC1E 6BT, U.K
| | - Helen C. Hailes
- Department of Chemistry University College London 20 Gordon Street London WC1H 0AJ, U.K
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6
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Xie YY, Wang J, Yang L, Wang W, Liu QH, Wang H, Wei D. The identification and application of a robust ω-transaminase with high tolerance of substrate and isopropylamine from a directed soil metagenome. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02032c] [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
The ω-transaminase-mediated asymmetric amination of a ketone substrate has gained significant attention for its immense potential to synthesize chiral amine pharmaceuticals and precursors. However, few of these have been authentically...
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7
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Česnik M, Sudar M, Hernández K, Charnock S, Vasić-Rački Đ, Clapés P, Findrik Blažević Z. Cascade enzymatic synthesis of l-homoserine – mathematical modelling as a tool for process optimisation and design. REACT CHEM ENG 2020. [DOI: 10.1039/c9re00453j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mathematical modelling enabled cascade reaction optimisation; 100% increase in product concentration and 18% increase in volume productivity compared to previous work.
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Affiliation(s)
- M. Česnik
- University of Zagreb
- Faculty of Chemical Engineering and Technology
- HR-10000 Zagreb
- Croatia
| | - M. Sudar
- University of Zagreb
- Faculty of Chemical Engineering and Technology
- HR-10000 Zagreb
- Croatia
| | - K. Hernández
- Institute of Advanced Chemistry of Catalonia
- Biological Chemistry Department
- Biotransformation and Bioactive Molecules Group
- 08034 Barcelona
- Spain
| | | | - Đ. Vasić-Rački
- University of Zagreb
- Faculty of Chemical Engineering and Technology
- HR-10000 Zagreb
- Croatia
| | - P. Clapés
- Institute of Advanced Chemistry of Catalonia
- Biological Chemistry Department
- Biotransformation and Bioactive Molecules Group
- 08034 Barcelona
- Spain
| | - Z. Findrik Blažević
- University of Zagreb
- Faculty of Chemical Engineering and Technology
- HR-10000 Zagreb
- Croatia
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8
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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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9
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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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10
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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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11
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Development of Biotransamination Reactions towards the 3,4-Dihydro-2H-1,5-benzoxathiepin-3-amine Enantiomers. Catalysts 2018. [DOI: 10.3390/catal8100470] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The stereoselective synthesis of chiral amines is an appealing task nowadays. In this context, biocatalysis plays a crucial role due to the straightforward conversion of prochiral and racemic ketones into enantiopure amines by means of a series of enzyme classes such as amine dehydrogenases, imine reductases, reductive aminases and amine transaminases. In particular, the stereoselective synthesis of 1,5-benzoxathiepin-3-amines have attracted particular attention since they possess remarkable biological profiles; however, their access through biocatalytic methods is unexplored. Amine transaminases are applied herein in the biotransamination of 3,4-dihydro-2H-1,5-benzoxathiepin-3-one, finding suitable enzymes for accessing both target amine enantiomers in high conversion and enantiomeric excess values. Biotransamination experiments have been analysed, trying to optimise the reaction conditions in terms of enzyme loading, temperature and reaction times.
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12
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Hülsewede D, Tänzler M, Süss P, Mildner A, Menyes U, von Langermann J. Development of an in situ-Product Crystallization (ISPC)-Concept to Shift the Reaction Equilibria of Selected Amine Transaminase-Catalyzed Reactions. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800323] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dennis Hülsewede
- Institute of Chemistry; Biocatalysis Group; University of Rostock; Albert-Einstein-Straße 3A 18059 Rostock Germany
| | - Marco Tänzler
- Institute of Chemistry; Biocatalysis Group; University of Rostock; Albert-Einstein-Straße 3A 18059 Rostock Germany
| | - Philipp Süss
- Enzymicals AG; Walther-Rathenau-Straße 49a 17489 Greifswald Germany
| | - Andrea Mildner
- Institute of Chemistry; Biocatalysis Group; University of Rostock; Albert-Einstein-Straße 3A 18059 Rostock Germany
- Institute for Chemical and Thermal Process Engineering; Braunschweig University of Technology; Franz-Liszt-Straße 35a 38106 Braunschweig Germany
| | - Ulf Menyes
- Enzymicals AG; Walther-Rathenau-Straße 49a 17489 Greifswald Germany
| | - Jan von Langermann
- Institute of Chemistry; Biocatalysis Group; University of Rostock; Albert-Einstein-Straße 3A 18059 Rostock Germany
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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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Affiliation(s)
- Roger A. Sheldon
- Molecular
Sciences Institute, School of Chemistry, University of Witwatersrand, Johannesburg, PO Wits 2050, South Africa
- Department
of Biotechnology, Delft University of Technology, Section BOC, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - John M. Woodley
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, 2800 Lyngby, Denmark
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15
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Voges M, Abu R, Gundersen MT, Held C, Woodley JM, Sadowski G. Reaction Equilibrium of the ω-Transamination of (S)-Phenylethylamine: Experiments and ePC-SAFT Modeling. Org Process Res Dev 2017. [DOI: 10.1021/acs.oprd.7b00078] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Matthias Voges
- Laboratory
of Thermodynamics, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Strasse 70, 44227 Dortmund, Germany
| | - Rohana Abu
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, DK-2800, Kgs. Lyngby, Denmark
| | - Maria T. Gundersen
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, DK-2800, Kgs. Lyngby, Denmark
| | - Christoph Held
- Laboratory
of Thermodynamics, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Strasse 70, 44227 Dortmund, Germany
| | - John M. Woodley
- Department
of Chemical and Biochemical Engineering, Technical University of Denmark, DK-2800, Kgs. Lyngby, Denmark
| | - Gabriele Sadowski
- Laboratory
of Thermodynamics, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Strasse 70, 44227 Dortmund, Germany
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16
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Feng Y, Luo Z, Sun G, Chen M, Lai J, Lin W, Goldmann S, Zhang L, Wang Z. Development of an Efficient and Scalable Biocatalytic Route to (3R)-3-Aminoazepane: A Pharmaceutically Important Intermediate. Org Process Res Dev 2017. [DOI: 10.1021/acs.oprd.7b00074] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yahui Feng
- School
of Bioscience and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Zhonghua Luo
- HEC
Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Guodong Sun
- HEC
Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
- Anti-infection
Innovation Department, New Drug Research Institute, HEC Pharma Group, Dong Guan 523871, P. R. China
| | - Minghong Chen
- HEC
Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Jinqiang Lai
- HEC
Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Wei Lin
- HEC
Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
| | - Siegfried Goldmann
- HEC
Research and Development Center, 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
| | - Zhongqing Wang
- HEC
Research and Development Center, HEC Pharm Group, Dongguan 523871, P. R. China
- Anti-infection
Innovation Department, New Drug Research Institute, HEC Pharma Group, Dong Guan 523871, P. R. China
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17
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Weber N, Gorwa-Grauslund M, Carlquist M. Improvement of whole-cell transamination with Saccharomyces cerevisiae using metabolic engineering and cell pre-adaptation. Microb Cell Fact 2017; 16:3. [PMID: 28049528 PMCID: PMC5209827 DOI: 10.1186/s12934-016-0615-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/09/2016] [Indexed: 01/27/2023] Open
Abstract
Background Whole-cell biocatalysis based on metabolically active baker’s yeast with engineered transamination activity can be used to generate molecules carrying a chiral amine moiety. A prerequisite is though to express efficient ω-transaminases and to reach sufficient intracellular precursor levels. Results Herein, the efficiency of three different ω-transaminases originating from Capsicum chinense, Chromobacterium violaceum, and Ochrobactrum anthropi was compared for whole-cell catalyzed kinetic resolution of racemic 1-phenylethylamine to (R)-1-phenylethylamine. The gene from the most promising candidate, C. violaceum ω-transaminase (CV-TA), was expressed in a strain lacking pyruvate decarboxylase activity, which thereby accumulate the co-substrate pyruvate during glucose assimilation. However, the conversion increased only slightly under the applied reaction conditions. In parallel, the effect of increasing the intracellular pyridoxal-5′-phosphate (PLP) level by omission of thiamine during cultivation was investigated. It was found that without thiamine, PLP supplementation was redundant to keep high in vivo transamination activity. Furthermore, higher reaction rates were achieved using a strain containing several copies of CV-TA gene, highlighting the necessity to also increase the intracellular transaminase level. At last, this strain was also investigated for asymmetric whole-cell bioconversion of acetophenone to (S)-1-phenylethylamine using l-alanine as amine donor. Although functionality could be demonstrated, the activity was extremely low indicating that the native co-product removal system was unable to drive the reaction towards the amine under the applied reaction conditions. Conclusions Altogether, our results demonstrate that (R)-1-phenylethylamine with >99% ee can be obtained via kinetic resolution at concentrations above 25 mM racemic substrate with glucose as sole co-substrate when combining appropriate genetic and process engineering approaches. Furthermore, the engineered yeast strain with highest transaminase activity was also shown to be operational as whole-cell catalyst for the production of (S)-1-phenylethylamine via asymmetric transamination of acetophenone, albeit with very low conversion. Electronic supplementary material The online version of this article (doi:10.1186/s12934-016-0615-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nora Weber
- Division of Applied Microbiology, Department of Chemistry, Faculty of Engineering, Lund University, PO Box 124, 221 00, Lund, Sweden.,Evolva SA, Duggingerstrasse 23, 4153, Reinach, Switzerland
| | - Marie Gorwa-Grauslund
- Division of Applied Microbiology, Department of Chemistry, Faculty of Engineering, Lund University, PO Box 124, 221 00, Lund, Sweden
| | - Magnus Carlquist
- Division of Applied Microbiology, Department of Chemistry, Faculty of Engineering, Lund University, PO Box 124, 221 00, Lund, Sweden.
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