1
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Thorpe T, Marshall JR, Turner NJ. Multifunctional Biocatalysts for Organic Synthesis. J Am Chem Soc 2024; 146:7876-7884. [PMID: 38489244 PMCID: PMC10979396 DOI: 10.1021/jacs.3c09542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/17/2024]
Abstract
Biocatalysis is becoming an indispensable tool in organic synthesis due to high enzymatic catalytic efficiency as well as exquisite chemo- and stereoselectivity. Some biocatalysts display great promiscuity including a broad substrate scope as well as the ability to catalyze more than one type of transformation. These promiscuous activities have been applied individually to efficiently access numerous valuable target molecules. However, systems in which enzymes possessing multiple different catalytic activities are applied in the synthesis are less well developed. Such multifunctional biocatalysts (MFBs) would simplify chemical synthesis by reducing the number of operational steps and enzyme count, as well as simplifying the sequence space that needs to be engineered to develop an efficient biocatalyst. In this Perspective, we highlight recently reported MFBs focusing on their synthetic utility and mechanism. We also offer insight into their origin as well as comment on potential strategies for their discovery and engineering.
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Affiliation(s)
- Thomas
W. Thorpe
- Department
of Chemistry, University of Manchester,
Manchester Institute of Biotechnology, 131 Princess Street, Manchester, United Kingdom, M1
7DN
| | - James R. Marshall
- Department
of Chemistry, University of Manchester,
Manchester Institute of Biotechnology, 131 Princess Street, Manchester, United Kingdom, M1
7DN
| | - Nicholas J. Turner
- Department
of Chemistry, University of Manchester,
Manchester Institute of Biotechnology, 131 Princess Street, Manchester, United Kingdom, M1
7DN
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2
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Roth S, Niese R, Müller M, Hall M. Redox Out of the Box: Catalytic Versatility Across NAD(P)H-Dependent Oxidoreductases. Angew Chem Int Ed Engl 2024; 63:e202314740. [PMID: 37924279 DOI: 10.1002/anie.202314740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 11/06/2023]
Abstract
The asymmetric reduction of double bonds using NAD(P)H-dependent oxidoreductases has proven to be an efficient tool for the synthesis of important chiral molecules in research and on industrial scale. These enzymes are commercially available in screening kits for the reduction of C=O (ketones), C=C (activated alkenes), or C=N bonds (imines). Recent reports, however, indicate that the ability to accommodate multiple reductase activities on distinct C=X bonds occurs in different enzyme classes, either natively or after mutagenesis. This challenges the common perception of highly selective oxidoreductases for one type of electrophilic substrate. Consideration of this underexplored potential in enzyme screenings and protein engineering campaigns may contribute to the identification of complementary biocatalytic processes for the synthesis of chiral compounds. This review will contribute to a global understanding of the promiscuous behavior of NAD(P)H-dependent oxidoreductases on C=X bond reduction and inspire future discoveries with respect to unconventional biocatalytic routes in asymmetric synthesis.
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Affiliation(s)
- Sebastian Roth
- Institute of Chemistry, University of Graz, Heinrichstrasse 28, 8010, Graz, Austria
| | - Richard Niese
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Michael Müller
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Mélanie Hall
- Institute of Chemistry, University of Graz, Heinrichstrasse 28, 8010, Graz, Austria
- BioHealth, Field of Excellence, University of Graz, 8010, Graz, Austria
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3
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Yuan B, Yang D, Qu G, Turner NJ, Sun Z. Biocatalytic reductive aminations with NAD(P)H-dependent enzymes: enzyme discovery, engineering and synthetic applications. Chem Soc Rev 2024; 53:227-262. [PMID: 38059509 DOI: 10.1039/d3cs00391d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Chiral amines are pivotal building blocks for the pharmaceutical industry. Asymmetric reductive amination is one of the most efficient and atom economic methodologies for the synthesis of optically active amines. Among the various strategies available, NAD(P)H-dependent amine dehydrogenases (AmDHs) and imine reductases (IREDs) are robust enzymes that are available from various sources and capable of utilizing a broad range of substrates with high activities and stereoselectivities. AmDHs and IREDs operate via similar mechanisms, both involving a carbinolamine intermediate followed by hydride transfer from the co-factor. In addition, both groups catalyze the formation of primary and secondary amines utilizing both organic and inorganic amine donors. In this review, we discuss advances in developing AmDHs and IREDs as biocatalysts and focus on evolutionary history, substrate scope and applications of the enzymes to provide an outlook on emerging industrial biotechnologies of chiral amine production.
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Affiliation(s)
- Bo Yuan
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Dameng Yang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Ge Qu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Nicholas J Turner
- Department of Chemistry, Manchester Institute of Biotechnology, University of Manchester, Manchester M1 7DN, UK.
| | - Zhoutong Sun
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
- Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
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4
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Sharma M, Cuetos A, Willliams A, González-Martínez D, Grogan G. Structure of the imine reductase from Ajellomyces dermatitidis in three crystal forms. Acta Crystallogr F Struct Biol Commun 2023; 79:224-230. [PMID: 37581897 PMCID: PMC10478762 DOI: 10.1107/s2053230x23006672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 07/31/2023] [Indexed: 08/16/2023] Open
Abstract
The NADPH-dependent imine reductase from Ajellomyces dermatitidis (AdRedAm) catalyzes the reductive amination of certain ketones with amine donors supplied in an equimolar ratio. The structure of AdRedAm has been determined in three forms. The first form, which belongs to space group P3121 and was refined to 2.01 Å resolution, features two molecules (one dimer) in the asymmetric unit in complex with the redox-inactive cofactor NADPH4. The second form, which belongs to space group C21 and was refined to 1.73 Å resolution, has nine molecules (four and a half dimers) in the asymmetric unit, each complexed with NADP+. The third form, which belongs to space group P3121 and was refined to 1.52 Å resolution, has one molecule (one half-dimer) in the asymmetric unit. This structure was again complexed with NADP+ and also with the substrate 2,2-difluoroacetophenone. The different data sets permit the analysis of AdRedAm in different conformational states and also reveal the molecular basis of stereoselectivity in the transformation of fluorinated acetophenone substrates by the enzyme.
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Affiliation(s)
- Mahima Sharma
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Anibal Cuetos
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Adam Willliams
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | | | - Gideon Grogan
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
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5
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Chen FF, He XF, Zhu XX, Zhang Z, Shen XY, Chen Q, Xu JH, Turner NJ, Zheng GW. Discovery of an Imine Reductase for Reductive Amination of Carbonyl Compounds with Sterically Challenging Amines. J Am Chem Soc 2023; 145:4015-4025. [PMID: 36661845 DOI: 10.1021/jacs.2c11354] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The synthesis of structurally diverse amines is of fundamental significance in the pharmaceutical industry due to the ubiquitous presence of amine motifs in biologically active molecules. Biocatalytic reductive amination for amine production has attracted great interest owing to its synthetic advantages. Herein, we report the direct synthesis of a wide range of sterically demanding secondary amines, including several important active pharmaceutical ingredients and pharmaceutical intermediates, via reductive amination of carbonyl substrates and bulky amine nucleophiles employing imine reductases. Key to success for this route is the identification of an imine reductase from Penicillium camemberti with unusual substrate specificity and its further engineering, which empowered the accommodation of a broad range of sterically demanding amine nucleophiles encompassing linear alkyl and (hetero)aromatic (oxy)alkyl substituents and the formation of final amine products with up to >99% conversion. The practical utility of the biocatalytic route has been demonstrated by its application in the preparative synthesis of the anti-hyperparathyroidism drug cinacalcet.
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Affiliation(s)
- 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
| | - Xue-Feng He
- 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-Xin Zhu
- 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
| | - Zhi 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
| | - Xin-Yuan Shen
- 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
| | - Nicholas J Turner
- School of Chemistry, Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester M1 7DN, U.K
| | - 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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6
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Knaus T, Corrado ML, Mutti FG. One-Pot Biocatalytic Synthesis of Primary, Secondary, and Tertiary Amines with Two Stereocenters from α,β-Unsaturated Ketones Using Alkyl-Ammonium Formate. ACS Catal 2022; 12:14459-14475. [PMID: 36504913 PMCID: PMC9724091 DOI: 10.1021/acscatal.2c03052] [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: 06/25/2022] [Revised: 10/20/2022] [Indexed: 11/11/2022]
Abstract
The efficient asymmetric catalytic synthesis of amines containing more than one stereogenic center is a current challenge. Here, we present a biocatalytic cascade that combines ene-reductases (EReds) with imine reductases/reductive aminases (IReds/RedAms) to enable the conversion of α,β-unsaturated ketones into primary, secondary, and tertiary amines containing two stereogenic centers in very high chemical purity (up to >99%), a diastereomeric ratio, and an enantiomeric ratio (up to >99.8:<0.2). Compared with previously reported strategies, our strategy could synthesize two, three, or even all four of the possible stereoisomers of the amine products while precluding the formation of side-products. Furthermore, ammonium or alkylammonium formate buffer could be used as the only additional reagent since it acted both as an amine donor and as a source of reducing equivalents. This was achieved through the implementation of an NADP-dependent formate dehydrogenase (FDH) for the in situ recycling of the NADPH coenzyme, thus leading to increased atom economy for this biocatalytic transformation. Finally, this dual-enzyme ERed/IRed cascade also exhibits a complementarity with the recently reported EneIRED enzymes for the synthesis of cyclic six-membered ring amines. The ERed/IRed method yielded trans-1,2 and cis-1,3 substituted cyclohexylamines in high optical purities, whereas the EneIRED method was reported to yield one cis-1,2 and one trans-1,3 enantiomer. As a proof of concept, when 3-methylcyclohex-2-en-1-one was converted into secondary and tertiary chiral amines with different amine donors, we could obtain all the four possible stereoisomer products. This result exemplifies the versatility of this method and its potential for future wider utilization in asymmetric synthesis by expanding the toolbox of currently available dehydrogenases via enzyme engineering and discovery.
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7
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Li Y, Hu N, Xu Z, Cui Y, Feng J, Yao P, Wu Q, Zhu D, Ma Y. Asymmetric Synthesis of N-Substituted 1,2-Amino Alcohols from Simple Aldehydes and Amines by One-Pot Sequential Enzymatic Hydroxymethylation and Asymmetric Reductive Amination. Angew Chem Int Ed Engl 2022; 61:e202116344. [PMID: 35166000 DOI: 10.1002/anie.202116344] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Indexed: 01/10/2023]
Abstract
The chiral N-substituted 1,2-amino alcohol motif is found in many natural and synthetic bioactive compounds. In this study, enzymatic asymmetric reductive amination of α-hydroxymethyl ketones with enantiocomplementary imine reductases (IREDs) enabled the synthesis of chiral N-substituted 1,2-amino alcohols with excellent ee values (91-99 %) in moderate to high yields (41-84 %). Furthermore, a one-pot, two-step enzymatic process involving benzaldehyde lyase-catalyzed hydroxymethylation of aldehydes and subsequent asymmetric reductive amination was developed, offering an environmentally friendly and economical way to produce N-substituted 1,2-amino alcohols from readily available simple aldehydes and amines. This methodology was then applied to rapidly access a key synthetic intermediate of anti-malaria and cytotoxic tetrahydroquinoline alkaloids.
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Affiliation(s)
- Yu Li
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China
| | - Na Hu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China
| | - Zefei Xu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China
| | - Yunfeng Cui
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China
| | - Jinhui Feng
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China
| | - Peiyuan Yao
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China
| | - Qiaqing Wu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China
| | - Dunming Zhu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China.,University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China
| | - Yanhe Ma
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, National Technology Innovation Center for Synthetic Biology, Tianjin, 300308, China
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8
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Multifunctional biocatalyst for conjugate reduction and reductive amination. Nature 2022; 604:86-91. [PMID: 35388195 DOI: 10.1038/s41586-022-04458-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 01/20/2022] [Indexed: 11/08/2022]
Abstract
Chiral amine diastereomers are ubiquitous in pharmaceuticals and agrochemicals1, yet their preparation often relies on low-efficiency multi-step synthesis2. These valuable compounds must be manufactured asymmetrically, as their biochemical properties can differ based on the chirality of the molecule. Herein we characterize a multifunctional biocatalyst for amine synthesis, which operates using a mechanism that is, to our knowledge, previously unreported. This enzyme (EneIRED), identified within a metagenomic imine reductase (IRED) collection3 and originating from an unclassified Pseudomonas species, possesses an unusual active site architecture that facilitates amine-activated conjugate alkene reduction followed by reductive amination. This enzyme can couple a broad selection of α,β-unsaturated carbonyls with amines for the efficient preparation of chiral amine diastereomers bearing up to three stereocentres. Mechanistic and structural studies have been carried out to delineate the order of individual steps catalysed by EneIRED, which have led to a proposal for the overall catalytic cycle. This work shows that the IRED family can serve as a platform for facilitating the discovery of further enzymatic activities for application in synthetic biology and organic synthesis.
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9
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Li Y, Hu N, Xu Z, Cui Y, Feng J, Yao P, Wu Q, Zhu D, Ma Y. Asymmetric Synthesis of
N
‐Substituted 1,2‐Amino Alcohols from Simple Aldehydes and Amines by One‐Pot Sequential Enzymatic Hydroxymethylation and Asymmetric Reductive Amination. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yu Li
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Na Hu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Zefei Xu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
| | - Yunfeng Cui
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
| | - Jinhui Feng
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Peiyuan Yao
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Qiaqing Wu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Dunming Zhu
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
- University of Chinese Academy of Sciences 19A Yuquan Road Beijing 100049 China
| | - Yanhe Ma
- National Engineering Laboratory for Industrial Enzymes and Tianjin Engineering Research Center of Biocatalytic Technology Tianjin Institute of Industrial Biotechnology Chinese Academy of Sciences National Technology Innovation Center for Synthetic Biology Tianjin 300308 China
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10
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García-Ramos M, Lavandera I. Transaminases as suitable catalysts for the synthesis of enantiopure β,β-difluoroamines. Org Biomol Chem 2022; 20:984-988. [PMID: 35040845 DOI: 10.1039/d1ob02346b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Transaminases have shown the ability to catalyze the amination of a series of aliphatic and (hetero)aromatic α,α-difluorinated ketones with high stereoselectivity, thus providing the corresponding β,β-difluoroamines in high isolated yields (55-82%) and excellent enantiomeric excess (>99%). It was also observed that these activated substrates could be quantitatively transformed by employing a small molar excess of the amine donor since this amination process was thermodynamically favored. Selected transformations could be scaled up to 500 mg, showing the robustness of this methodology.
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Affiliation(s)
- Marina García-Ramos
- Organic and Inorganic Chemistry Department, University of Oviedo, Avenida Julián Clavería 8, 33006 Oviedo, Spain.
| | - Iván Lavandera
- Organic and Inorganic Chemistry Department, University of Oviedo, Avenida Julián Clavería 8, 33006 Oviedo, Spain.
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11
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Gilio AK, Thorpe TW, Turner N, Grogan G. Reductive aminations by imine reductases: from milligrams to tons. Chem Sci 2022; 13:4697-4713. [PMID: 35655886 PMCID: PMC9067572 DOI: 10.1039/d2sc00124a] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 12/22/2022] Open
Abstract
The synthesis of secondary and tertiary amines through the reductive amination of carbonyl compounds is one of the most significant reactions in synthetic chemistry. Asymmetric reductive amination for the formation of chiral amines, which are required for the synthesis of pharmaceuticals and other bioactive molecules, is often achieved through transition metal catalysis, but biocatalytic methods of chiral amine production have also been a focus of interest owing to their selectivity and sustainability. The discovery of asymmetric reductive amination by imine reductase (IRED) and reductive aminase (RedAm) enzymes has served as the starting point for a new industrial approach to the production of chiral amines, leading from laboratory-scale milligram transformations to ton-scale reactions that are now described in the public domain. In this perspective we trace the development of the IRED-catalyzed reductive amination reaction from its discovery to its industrial application on kg to ton scale. In addition to surveying examples of the synthetic chemistry that has been achieved with the enzymes, the contribution of structure and protein engineering to the understanding of IRED-catalyzed reductive amination is described, and the consequent benefits for activity, selectivity and stability in the design of process suitable catalysts. IRED-catalyzed reductive aminations have progressed from mg to ton scale, through advances in enzyme discovery, protein engineering and process biocatalysis.![]()
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Affiliation(s)
- Amelia K. Gilio
- Department of Chemistry, University of York, Heslington, York YO10 5DD, UK
| | - Thomas W. Thorpe
- School of Chemistry, University of Manchester, Manchester Institute of Biotechnology, 131 Princess Street, Manchester, M1 7DN, UK
| | - Nicholas Turner
- School of Chemistry, University of Manchester, Manchester Institute of Biotechnology, 131 Princess Street, Manchester, M1 7DN, UK
| | - Gideon Grogan
- Department of Chemistry, University of York, Heslington, York YO10 5DD, UK
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12
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Jia HY, Yang ZY, Chen Q, Zong MH, Li N. Engineering Promiscuous Alcohol Dehydrogenase Activity of a Reductive Aminase AspRedAm for Selective Reduction of Biobased Furans. Front Chem 2021; 9:610091. [PMID: 34055734 PMCID: PMC8155666 DOI: 10.3389/fchem.2021.610091] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 02/15/2021] [Indexed: 11/25/2022] Open
Abstract
Catalytic promiscuity is a promising starting point for improving the existing enzymes and even creating novel enzymes. In this work, site-directed mutagenesis was performed to improve promiscuous alcohol dehydrogenase activity of reductive aminase from Aspergillus oryzae (AspRedAm). AspRedAm showed the cofactor preference toward NADPH in reductive aminations, while it favored NADH in the reduction reactions. Some key amino acid residues such as N93, I118, M119, and D169 were identified for mutagenesis by molecular docking. Variant N93A showed the optimal pH and temperature of 8 and 30°C, respectively, in the reduction of 5-hydroxymethylfurfural (HMF). The thermostability was enhanced upon mutation of N93 to alanine. The catalytic efficiency of variant N93A (kcat/Km, 23.6 mM−1 s−1) was approximately 2-fold higher compared to that of the wild-type (WT) enzyme (13.1 mM−1 s−1). The improved catalytic efficiency of this variant may be attributed to the reduced steric hindrance that stems from the smaller side chain of alanine in the substrate-binding pocket. Both the WT enzyme and variant N93A had broad substrate specificity. Escherichia coli (E. coli) cells harboring plain vector enabled selective reduction of biobased furans to target alcohols, with the conversions of 35–95% and the selectivities of >93%. The introduction of variant N93A to E. coli resulted in improved substrate conversions (>98%) and selectivities (>99%).
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Affiliation(s)
- Hao-Yu Jia
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Zi-Yue Yang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Qi Chen
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai, China
| | - Min-Hua Zong
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Ning Li
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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13
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Hollmann F, Opperman DJ, Paul CE. Biocatalytic Reduction Reactions from a Chemist's Perspective. Angew Chem Int Ed Engl 2021; 60:5644-5665. [PMID: 32330347 PMCID: PMC7983917 DOI: 10.1002/anie.202001876] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Indexed: 11/09/2022]
Abstract
Reductions play a key role in organic synthesis, producing chiral products with new functionalities. Enzymes can catalyse such reactions with exquisite stereo-, regio- and chemoselectivity, leading the way to alternative shorter classical synthetic routes towards not only high-added-value compounds but also bulk chemicals. In this review we describe the synthetic state-of-the-art and potential of enzymes that catalyse reductions, ranging from carbonyl, enone and aromatic reductions to reductive aminations.
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Affiliation(s)
- Frank Hollmann
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629 HZDelftThe Netherlands
- Department of BiotechnologyUniversity of the Free State205 Nelson Mandela DriveBloemfontein9300South Africa
| | - Diederik J. Opperman
- Department of BiotechnologyUniversity of the Free State205 Nelson Mandela DriveBloemfontein9300South Africa
| | - Caroline E. Paul
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629 HZDelftThe Netherlands
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14
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Tseliou V, Schilder D, Masman MF, Knaus T, Mutti FG. Generation of Oxidoreductases with Dual Alcohol Dehydrogenase and Amine Dehydrogenase Activity. Chemistry 2021; 27:3315-3325. [PMID: 33073866 PMCID: PMC7898336 DOI: 10.1002/chem.202003140] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/17/2020] [Indexed: 11/12/2022]
Abstract
The l-lysine-ϵ-dehydrogenase (LysEDH) from Geobacillus stearothermophilus naturally catalyzes the oxidative deamination of the ϵ-amino group of l-lysine. We previously engineered this enzyme to create amine dehydrogenase (AmDH) variants that possess a new hydrophobic cavity in their active site such that aromatic ketones can bind and be converted into α-chiral amines with excellent enantioselectivity. We also recently observed that LysEDH was capable of reducing aromatic aldehydes into primary alcohols. Herein, we harnessed the promiscuous alcohol dehydrogenase (ADH) activity of LysEDH to create new variants that exhibited enhanced catalytic activity for the reduction of substituted benzaldehydes and arylaliphatic aldehydes to primary alcohols. Notably, these novel engineered dehydrogenases also catalyzed the reductive amination of a variety of aldehydes and ketones with excellent enantioselectivity, thus exhibiting a dual AmDH/ADH activity. We envisioned that the catalytic bi-functionality of these enzymes could be applied for the direct conversion of alcohols into amines. As a proof-of-principle, we performed an unprecedented one-pot "hydrogen-borrowing" cascade to convert benzyl alcohol to benzylamine using a single enzyme. Conducting the same biocatalytic cascade in the presence of cofactor recycling enzymes (i.e., NADH-oxidase and formate dehydrogenase) increased the reaction yields. In summary, this work provides the first examples of enzymes showing "alcohol aminase" activity.
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Affiliation(s)
- Vasilis Tseliou
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Don Schilder
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Marcelo F. Masman
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Tanja Knaus
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Francesco G. Mutti
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
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15
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Marshall JR, Yao P, Montgomery SL, Finnigan JD, Thorpe TW, Palmer RB, Mangas-Sanchez J, Duncan RAM, Heath RS, Graham KM, Cook DJ, Charnock SJ, Turner NJ. Screening and characterization of a diverse panel of metagenomic imine reductases for biocatalytic reductive amination. Nat Chem 2021; 13:140-148. [PMID: 33380742 PMCID: PMC7116802 DOI: 10.1038/s41557-020-00606-w] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 11/10/2020] [Indexed: 01/30/2023]
Abstract
Finding faster and simpler ways to screen protein sequence space to enable the identification of new biocatalysts for asymmetric synthesis remains both a challenge and a rate-limiting step in enzyme discovery. Biocatalytic strategies for the synthesis of chiral amines are increasingly attractive and include enzymatic asymmetric reductive amination, which offers an efficient route to many of these high-value compounds. Here we report the discovery of over 300 new imine reductases and the production of a large (384 enzymes) and sequence-diverse panel of imine reductases available for screening. We also report the development of a facile high-throughput screen to interrogate their activity. Through this approach we identified imine reductase biocatalysts capable of accepting structurally demanding ketones and amines, which include the preparative synthesis of N-substituted β-amino ester derivatives via a dynamic kinetic resolution process, with excellent yields and stereochemical purities.
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Affiliation(s)
- James R. Marshall
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
| | - Peiyuan Yao
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
- National Engineering Laboratory for Industrial Enzymes, Tianjin Engineering Research Centre of Biocatalytic Technology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin Airport Economic Park, Tianjin, People’s Republic of China
| | - Sarah L. Montgomery
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
| | | | - Thomas W. Thorpe
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
| | - Ryan B. Palmer
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
| | - Juan Mangas-Sanchez
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
| | | | - Rachel S. Heath
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
| | | | - Darren J. Cook
- Prozomix, Building 4, West End Ind. Estate, Haltwhistle, UK
| | | | - Nicholas J. Turner
- Department of Chemistry, University of Manchester, Manchester Institute of Biotechnology, Manchester, UK
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16
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Yang Z, Hao Y, Hu S, Zong M, Chen Q, Li N. Direct Reductive Amination of Biobased Furans to
N
‐Substituted Furfurylamines by Engineered Reductive Aminase. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001495] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Zi‐Yue Yang
- School of Food Science and Engineering South China University of Technology 381 Wushan Road Guangzhou 510640 People's Republic of China
| | - Ya‐Cheng Hao
- School of Food Science and Engineering South China University of Technology 381 Wushan Road Guangzhou 510640 People's Republic of China
| | - Song‐Qing Hu
- School of Food Science and Engineering South China University of Technology 381 Wushan Road Guangzhou 510640 People's Republic of China
| | - Min‐Hua Zong
- School of Food Science and Engineering South China University of Technology 381 Wushan Road Guangzhou 510640 People's Republic of 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 People's Republic of China
| | - Ning Li
- School of Food Science and Engineering South China University of Technology 381 Wushan Road Guangzhou 510640 People's Republic of China
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17
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Hollmann F, Opperman DJ, Paul CE. Biokatalytische Reduktionen aus der Sicht eines Chemikers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001876] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Frank Hollmann
- Department of Biotechnology Delft University of Technology Van der Maasweg 9 2629 HZ Delft Niederlande
- Department of Biotechnology University of the Free State 205 Nelson Mandela Drive Bloemfontein 9300 Südafrika
| | - Diederik J. Opperman
- Department of Biotechnology University of the Free State 205 Nelson Mandela Drive Bloemfontein 9300 Südafrika
| | - Caroline E. Paul
- Department of Biotechnology Delft University of Technology Van der Maasweg 9 2629 HZ Delft Niederlande
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18
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Ducrot L, Bennett M, Grogan G, Vergne‐Vaxelaire C. NAD(P)H‐Dependent Enzymes for Reductive Amination: Active Site Description and Carbonyl‐Containing Compound Spectrum. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000870] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Laurine Ducrot
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry Université Paris-Saclay 91057 Evry France
| | - Megan Bennett
- York Structural Biology Laboratory Department of Chemistry University of York, Heslington York YO10 5DD UK
| | - Gideon Grogan
- York Structural Biology Laboratory Department of Chemistry University of York, Heslington York YO10 5DD UK
| | - Carine Vergne‐Vaxelaire
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry Université Paris-Saclay 91057 Evry France
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19
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Stockinger P, Roth S, Müller M, Pleiss J. Systematic Evaluation of Imine-Reducing Enzymes: Common Principles in Imine Reductases, β-Hydroxy Acid Dehydrogenases, and Short-Chain Dehydrogenases/ Reductases. Chembiochem 2020; 21:2689-2695. [PMID: 32311225 PMCID: PMC7540600 DOI: 10.1002/cbic.202000213] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/16/2020] [Indexed: 12/26/2022]
Abstract
The enzymatic, asymmetric reduction of imines is catalyzed by imine reductases (IREDs), members of the short-chain dehydrogenase/reductase (SDR) family, and β-hydroxy acid dehydrogenase (βHAD) variants. Systematic evaluation of the structures and substrate-binding sites of the three enzyme families has revealed four common principles for imine reduction: structurally conserved cofactor-binding domains; tyrosine, aspartate, or glutamate as proton donor; at least four characteristic flanking residues that adapt the donor's pKa and polarize the substrate; and a negative electrostatic potential in the substrate-binding site to stabilize the transition state. As additional catalytically relevant positions, we propose alternative proton donors in IREDs and βHADs as well as proton relays in IREDs, βHADs, and SDRs. The functional role of flanking residues was experimentally confirmed by alanine scanning of the imine-reducing SDR from Zephyranthes treatiae. Mutating the "gatekeeping" phenylalanine at standard position 200 resulted in a tenfold increase in imine-reducing activity.
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Affiliation(s)
- Peter Stockinger
- Institute of Biochemistry and Technical BiochemistryUniversity of StuttgartAllmandring 3170569StuttgartGermany
| | - Sebastian Roth
- Institute of Pharmaceutical SciencesAlbert-Ludwigs-Universität FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Michael Müller
- Institute of Pharmaceutical SciencesAlbert-Ludwigs-Universität FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Jürgen Pleiss
- Institute of Biochemistry and Technical BiochemistryUniversity of StuttgartAllmandring 3170569StuttgartGermany
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20
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Roth S, Stockinger P, Steff J, Steimle S, Sautner V, Tittmann K, Pleiss J, Müller M. Crossing the Border: From Keto- to Imine Reduction in Short-Chain Dehydrogenases/Reductases. Chembiochem 2020; 21:2615-2619. [PMID: 32315494 PMCID: PMC7540013 DOI: 10.1002/cbic.202000233] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Indexed: 11/10/2022]
Abstract
The family of NAD(P)H-dependent short-chain dehydrogenases/reductases (SDRs) comprises numerous biocatalysts capable of C=O or C=C reduction. The highly homologous noroxomaritidine reductase (NR) from Narcissus sp. aff. pseudonarcissus and Zt_SDR from Zephyranthes treatiae, however, are SDRs with an extended imine substrate scope. Comparison with a similar SDR from Asparagus officinalis (Ao_SDR) exhibiting keto-reducing activity, yet negligible imine-reducing capability, and mining the Short-Chain Dehydrogenase/Reductase Engineering Database indicated that NR and Zt_SDR possess a unique active-site composition among SDRs. Adapting the active site of Ao_SDR accordingly improved its imine-reducing capability. By applying the same strategy, an unrelated SDR from Methylobacterium sp. 77 (M77_SDR) with distinct keto-reducing activity was engineered into a promiscuous enzyme with imine-reducing activity, thereby confirming that the ability to reduce imines can be rationally introduced into members of the "classical" SDR enzyme family. Thus, members of the SDR family could be a promising starting point for protein approaches to generate new imine-reducing enzymes.
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Affiliation(s)
- Sebastian Roth
- Institute of Pharmaceutical SciencesUniversity of FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Peter Stockinger
- Institute of Biochemistry and Technical BiochemistryUniversity of StuttgartAllmandring 3170569StuttgartGermany
| | - Jakob Steff
- Institute of Pharmaceutical SciencesUniversity of FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Simon Steimle
- Institute of Pharmaceutical SciencesUniversity of FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Viktor Sautner
- Department of Molecular EnzymologyUniversity of GöttingenJulia-Lermontowa-Weg 337077GöttingenGermany
| | - Kai Tittmann
- Department of Molecular EnzymologyUniversity of GöttingenJulia-Lermontowa-Weg 337077GöttingenGermany
| | - Jürgen Pleiss
- Institute of Biochemistry and Technical BiochemistryUniversity of StuttgartAllmandring 3170569StuttgartGermany
| | - Michael Müller
- Institute of Pharmaceutical SciencesUniversity of FreiburgAlbertstrasse 2579104FreiburgGermany
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21
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Roth S, Stockinger P, Steff J, Steimle S, Sautner V, Tittmann K, Pleiss J, Müller M. Crossing the Border: From Keto- to Imine Reduction in Short-Chain Dehydrogenases/Reductases. CHEMBIOCHEM : A EUROPEAN JOURNAL OF CHEMICAL BIOLOGY 2020. [PMID: 32315494 DOI: 10.1002/cbic.202000233.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The family of NAD(P)H-dependent short-chain dehydrogenases/reductases (SDRs) comprises numerous biocatalysts capable of C=O or C=C reduction. The highly homologous noroxomaritidine reductase (NR) from Narcissus sp. aff. pseudonarcissus and Zt_SDR from Zephyranthes treatiae, however, are SDRs with an extended imine substrate scope. Comparison with a similar SDR from Asparagus officinalis (Ao_SDR) exhibiting keto-reducing activity, yet negligible imine-reducing capability, and mining the Short-Chain Dehydrogenase/Reductase Engineering Database indicated that NR and Zt_SDR possess a unique active-site composition among SDRs. Adapting the active site of Ao_SDR accordingly improved its imine-reducing capability. By applying the same strategy, an unrelated SDR from Methylobacterium sp. 77 (M77_SDR) with distinct keto-reducing activity was engineered into a promiscuous enzyme with imine-reducing activity, thereby confirming that the ability to reduce imines can be rationally introduced into members of the "classical" SDR enzyme family. Thus, members of the SDR family could be a promising starting point for protein approaches to generate new imine-reducing enzymes.
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Affiliation(s)
- Sebastian Roth
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Peter Stockinger
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, 70569, Stuttgart, Germany
| | - Jakob Steff
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Simon Steimle
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Viktor Sautner
- Department of Molecular Enzymology, University of Göttingen, Julia-Lermontowa-Weg 3, 37077, Göttingen, Germany
| | - Kai Tittmann
- Department of Molecular Enzymology, University of Göttingen, Julia-Lermontowa-Weg 3, 37077, Göttingen, Germany
| | - Jürgen Pleiss
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, 70569, Stuttgart, Germany
| | - Michael Müller
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
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22
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González‐Martínez D, Cuetos A, Sharma M, García‐Ramos M, Lavandera I, Gotor‐Fernández V, Grogan G. Asymmetric Synthesis of Primary and Secondary β‐Fluoro‐arylamines using Reductive Aminases from Fungi. ChemCatChem 2020. [DOI: 10.1002/cctc.201901999] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Daniel González‐Martínez
- Department of Chemistry University of York Heslington, York YO10 5DD UK
- Department of Organic and Inorganic Chemistry University of Oviedo Avenida Julián Clavería 8 33006 Oviedo (Asturias) Spain
| | - Aníbal Cuetos
- Department of Chemistry University of York Heslington, York YO10 5DD UK
| | - Mahima Sharma
- Department of Chemistry University of York Heslington, York YO10 5DD UK
| | - Marina García‐Ramos
- Department of Organic and Inorganic Chemistry University of Oviedo Avenida Julián Clavería 8 33006 Oviedo (Asturias) Spain
| | - Iván Lavandera
- Department of Organic and Inorganic Chemistry University of Oviedo Avenida Julián Clavería 8 33006 Oviedo (Asturias) Spain
| | - Vicente Gotor‐Fernández
- Department of Organic and Inorganic Chemistry University of Oviedo Avenida Julián Clavería 8 33006 Oviedo (Asturias) Spain
| | - Gideon Grogan
- Department of Chemistry University of York Heslington, York YO10 5DD UK
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23
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Sheldon RA, Brady D, Bode ML. The Hitchhiker's guide to biocatalysis: recent advances in the use of enzymes in organic synthesis. Chem Sci 2020; 11:2587-2605. [PMID: 32206264 PMCID: PMC7069372 DOI: 10.1039/c9sc05746c] [Citation(s) in RCA: 138] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/12/2020] [Indexed: 12/12/2022] Open
Abstract
Enzymes are excellent catalysts that are increasingly being used in industry and academia. This perspective is primarily aimed at synthetic organic chemists with limited experience using enzymes and provides a general and practical guide to enzymes and their synthetic potential, with particular focus on recent applications.
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Affiliation(s)
- Roger A Sheldon
- Molecular Sciences Institute , School of Chemistry , University of the Witwatersrand , Johannesburg , South Africa .
- Department of Biotechnology , Delft University of Technology , Delft , The Netherlands
| | - Dean Brady
- Molecular Sciences Institute , School of Chemistry , University of the Witwatersrand , Johannesburg , South Africa .
| | - Moira L Bode
- Molecular Sciences Institute , School of Chemistry , University of the Witwatersrand , Johannesburg , South Africa .
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24
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Lachtar Z, Khorief Nacereddine A, Djerourou A. Understanding the origin of the enantioselectivity and the mechanism of the asymmetric reduction of ketimine generated from acetophenone with oxazaborolidine catalyst. Struct Chem 2019. [DOI: 10.1007/s11224-019-01400-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Sheldon RA, Brady D. Broadening the Scope of Biocatalysis in Sustainable Organic Synthesis. CHEMSUSCHEM 2019; 12:2859-2881. [PMID: 30938093 DOI: 10.1002/cssc.201900351] [Citation(s) in RCA: 155] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 02/05/2019] [Accepted: 03/04/2019] [Indexed: 05/21/2023]
Abstract
This Review is aimed at synthetic organic chemists who may be familiar with organometallic catalysis but have no experience with biocatalysis, and seeks to provide an answer to the perennial question: if it is so attractive, why wasn't it extensively used in the past? The development of biocatalysis in industrial organic synthesis is traced from the middle of the last century. Advances in molecular biology in the last two decades, in particular genome sequencing, gene synthesis and directed evolution of proteins, have enabled remarkable improvements in scope and substantially reduced biocatalyst development times and cost contributions. Additionally, improvements in biocatalyst recovery and reuse have been facilitated by developments in enzyme immobilization technologies. Biocatalysis has become eminently competitive with chemocatalysis and the biocatalytic production of important pharmaceutical intermediates, such as enantiopure alcohols and amines, has become mainstream organic synthesis. The synthetic space of biocatalysis has significantly expanded and is currently being extended even further to include new-to-nature biocatalytic reactions.
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Affiliation(s)
- Roger A Sheldon
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg, 2050, South Africa
- Department of Biotechnology, Delft University of Technology, Section BOC, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Dean Brady
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg, 2050, South Africa
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26
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Zhang B, Liu L, Guo D, Wang J. Enantioselective Access to Axial Biaryls via Ruthenium-Catalyzed Hydrogen-Transfer Reductive Amination. ChemistrySelect 2019. [DOI: 10.1002/slct.201803246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Bei Zhang
- School of Pharmaceutical Sciences; Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 China
| | - Lala Liu
- School of Pharmaceutical Sciences; Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 China
| | - Donghui Guo
- School of Pharmaceutical Sciences; Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 China
| | - Jian Wang
- School of Pharmaceutical Sciences; Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 China
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27
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Lenz M, Fademrecht S, Sharma M, Pleiss J, Grogan G, Nestl BM. New imine-reducing enzymes from β-hydroxyacid dehydrogenases by single amino acid substitutions. Protein Eng Des Sel 2018; 31:109-120. [PMID: 29733377 DOI: 10.1093/protein/gzy006] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 04/10/2018] [Indexed: 11/14/2022] Open
Abstract
We report the exploration of the evolutionary relationship between imine reductases (IREDs) and other dehydrogenases. This approach is informed by the sequence similarity between these enzyme families and the recently described promiscuous activity of IREDs for the highly reactive carbonyl compound 2,2,2-trifluoroacetophenone. Using the structure of the R-selective IRED from Streptosporangium roseum (R-IRED-Sr) as a model, β-hydroxyacid dehydrogenases (βHADs) were identified as the dehydrogenases most similar to IREDs. To understand how active site differences in IREDs and βHADs enable the reduction of predominantly C = N or C = O bonds respectively, we substituted amino acid residues in βHADs with the corresponding residues from the R-IRED-Sr and were able to increase the promiscuous activity of βHADs for C = N functions by a single amino acid substitution. Variants βHADAt_K170D and βHADAt_K170F lost mainly their keto acid reduction activity and gained the ability to catalyze the reduction of imines. Moreover, the product enantiomeric purity for a bulky imine substrate could be increased from 23% ee (R-IRED-Sr) to 97% ee (βHADAt_K170D/F_F231A) outcompeting already described IRED selectivity.
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Affiliation(s)
- Maike Lenz
- Institute of Biochemistry and Technical Biochemistry, Department of Chemistry, Universitaet Stuttgart, Allmandring 31, Stuttgart, Germany
| | - Silvia Fademrecht
- Institute of Biochemistry and Technical Biochemistry, Department of Chemistry, Universitaet Stuttgart, Allmandring 31, Stuttgart, Germany
| | - Mahima Sharma
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York, UK
| | - Jürgen Pleiss
- Institute of Biochemistry and Technical Biochemistry, Department of Chemistry, Universitaet Stuttgart, Allmandring 31, Stuttgart, Germany
| | - Gideon Grogan
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York, UK
| | - Bettina M Nestl
- Institute of Biochemistry and Technical Biochemistry, Department of Chemistry, Universitaet Stuttgart, Allmandring 31, Stuttgart, Germany
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28
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Devine PN, Howard RM, Kumar R, Thompson MP, Truppo MD, Turner NJ. Extending the application of biocatalysis to meet the challenges of drug development. Nat Rev Chem 2018. [DOI: 10.1038/s41570-018-0055-1] [Citation(s) in RCA: 191] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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29
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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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30
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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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31
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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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Roth S, Kilgore MB, Kutchan TM, Müller M. Exploiting the Catalytic Diversity of Short-Chain Dehydrogenases/Reductases: Versatile Enzymes from Plants with Extended Imine Substrate Scope. Chembiochem 2018; 19:1849-1852. [PMID: 29931726 DOI: 10.1002/cbic.201800291] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Indexed: 01/20/2023]
Abstract
Numerous short-chain dehydrogenases/reductases (SDRs) have found biocatalytic applications in C=O and C=C (enone) reduction. For NADPH-dependent C=N reduction, imine reductases (IREDs) have primarily been investigated for extension of the substrate range. Here, we show that SDRs are also suitable for a broad range of imine reductions. The SDR noroxomaritidine reductase (NR) is involved in Amaryllidaceae alkaloid biosynthesis, serving as an enone reductase. We have characterized NR by using a set of typical imine substrates and established that the enzyme is active with all four tested imine compounds (up to 99 % conversion, up to 92 % ee). Remarkably, NR reduced two keto compounds as well, thus highlighting this enzyme family's versatility. Using NR as a template, we have identified an as yet unexplored SDR from the Amaryllidacea Zephyranthes treatiae with imine-reducing activity (≤95 % ee). Our results encourage the future characterization of SDR family members as a means of discovering new imine-reducing enzymes.
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Affiliation(s)
- Sebastian Roth
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Matthew B Kilgore
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO, 63132, USA
| | - Toni M Kutchan
- Donald Danforth Plant Science Center, 975 N. Warson Road, St. Louis, MO, 63132, USA
| | - Michael Müller
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
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Chen FF, Zheng GW, Liu L, Li H, Chen Q, Li FL, Li CX, Xu JH. Reshaping the Active Pocket of Amine Dehydrogenases for Asymmetric Synthesis of Bulky Aliphatic Amines. ACS Catal 2018. [DOI: 10.1021/acscatal.7b04135] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Fei-Fei Chen
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Gao-Wei Zheng
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Lei Liu
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Hao Li
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Qi Chen
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Fu-Long Li
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Chun-Xiu Li
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
| | - Jian-He Xu
- State Key Laboratory of Bioreactor
Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, People’s Republic of China
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Affiliation(s)
- Niels Borlinghaus
- Institute of Biochemistry and Technical Biochemistry, Chair of Technical Biochemistry; University of Stuttgart; Allmandring 31 70569 Stuttgart Germany
| | - Bettina M. Nestl
- Institute of Biochemistry and Technical Biochemistry, Chair of Technical Biochemistry; University of Stuttgart; Allmandring 31 70569 Stuttgart Germany
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Lenz M, Borlinghaus N, Weinmann L, Nestl BM. Recent advances in imine reductase-catalyzed reactions. World J Microbiol Biotechnol 2017; 33:199. [DOI: 10.1007/s11274-017-2365-8] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 10/07/2017] [Indexed: 11/24/2022]
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36
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Reductive amination of ketones catalyzed by whole cell biocatalysts containing imine reductases (IREDs). J Biotechnol 2017; 258:167-170. [DOI: 10.1016/j.jbiotec.2017.05.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 05/20/2017] [Accepted: 05/20/2017] [Indexed: 11/19/2022]
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Roth S, Präg A, Wechsler C, Marolt M, Ferlaino S, Lüdeke S, Sandon N, Wetzl D, Iding H, Wirz B, Müller M. Extended Catalytic Scope of a Well-Known Enzyme: Asymmetric Reduction of Iminium Substrates by Glucose Dehydrogenase. Chembiochem 2017; 18:1703-1706. [PMID: 28722796 DOI: 10.1002/cbic.201700261] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Indexed: 11/10/2022]
Abstract
NADP(H)-dependent imine reductases (IREDs) are of interest in biocatalytic research due to their ability to generate chiral amines from imine/iminium substrates. In reaction protocols involving IREDs, glucose dehydrogenase (GDH) is generally used to regenerate the expensive cofactor NADPH by oxidation of d-glucose to gluconolactone. We have characterized different IREDs with regard to reduction of a set of bicyclic iminium compounds and have utilized 1 H NMR and GC analyses to determine degree of substrate conversion and product enantiomeric excess (ee). All IREDs reduced the tested iminium compounds to the corresponding chiral amines. Blank experiments without IREDs also showed substrate conversion, however, thus suggesting an iminium reductase activity of GDH. This unexpected observation was confirmed by additional experiments with GDHs of different origin. The reduction of C=N bonds with good levels of conversion (>50 %) and excellent enantioselectivity (up to >99 % ee) by GDH represents a promiscuous catalytic activity of this enzyme.
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Affiliation(s)
- Sebastian Roth
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Andreas Präg
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Cindy Wechsler
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Marija Marolt
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Sascha Ferlaino
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Steffen Lüdeke
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
| | - Nicolas Sandon
- Process Chemistry and Catalysis, F. Hoffmann-La Roche, Ltd., 4070, Basel, Switzerland
| | - Dennis Wetzl
- Process Chemistry and Catalysis, F. Hoffmann-La Roche, Ltd., 4070, Basel, Switzerland
| | - Hans Iding
- Process Chemistry and Catalysis, F. Hoffmann-La Roche, Ltd., 4070, Basel, Switzerland
| | - Beat Wirz
- Process Chemistry and Catalysis, F. Hoffmann-La Roche, Ltd., 4070, Basel, Switzerland
| | - Michael Müller
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, 79104, Freiburg, Germany
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38
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de Souza ROMA, Miranda LSM, Bornscheuer UT. A Retrosynthesis Approach for Biocatalysis in Organic Synthesis. Chemistry 2017; 23:12040-12063. [DOI: 10.1002/chem.201702235] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Rodrigo O. M. A. de Souza
- Biocatalysis and Organic Synthesis Group; Federal University of Rio de Janeiro, Chemistry Institute; 21941909 Rio de Janeiro Brazil
| | - Leandro S. M. Miranda
- Biocatalysis and Organic Synthesis Group; Federal University of Rio de Janeiro, Chemistry Institute; 21941909 Rio de Janeiro Brazil
| | - Uwe T. Bornscheuer
- Dept. of Biotechnology & Enzyme Catalysis; Institute of Biochemistry; Greifswald University; Felix-Hausdorff-Str. 4 17487 Greifswald Germany
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