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Li N, Wang Y, Meng Y, Lv Y, Zhang S, Wei S, Ma P, Hu Y, Lin H. Structural and functional characterization of a new thermophilic-like OYE from Aspergillus flavus. Appl Microbiol Biotechnol 2024; 108:134. [PMID: 38229304 DOI: 10.1007/s00253-023-12963-w] [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: 08/28/2023] [Revised: 10/19/2023] [Accepted: 10/24/2023] [Indexed: 01/18/2024]
Abstract
Old yellow enzymes (OYEs) have been proven as powerful biocatalysts for the asymmetric reduction of activated alkenes. Fungi appear to be valuable sources of OYEs, but most of the fungal OYEs are unexplored. To expand the OYEs toolbox, a new thermophilic-like OYE (AfOYE1) was identified from Aspergillus flavus strain NRRL3357. The thermal stability analysis showed that the T1/2 of AfOYE1 was 60 °C, and it had the optimal temperature at 45 °C. Moreover, AfOYE1 exhibited high reduction activity in a wide pH range (pH 5.5-8.0). AfOYE1 could accept cyclic enones, acrylamide, nitroalkenes, and α, β-unsaturated aldehydes as substrates and had excellent enantioselectivity toward prochiral alkenes (> 99% ee). Interestingly, an unexpected (S)-stereoselectivity bioreduction toward 2-methylcyclohexenone was observed. The further crystal structure of AfOYE1 revealed that the "cap" region from Ala132 to Thr182, the loop of Ser316 to Gly325, α short helix of Arg371 to Gln375, and the C-terminal "finger" structure endow the catalytic cavity of AfOYE1 quite deep and narrow, and flavin mononucleotide (FMN) heavily buried at the bottom of the active site tunnel. Furthermore, the catalytic mechanism of AfOYE1 was also investigated, and the results confirmed that the residues His211, His214, and Tyr216 compose its catalytic triad. This newly identified thermophilic-like OYE would thus be valuable for asymmetric alkene hydrogenation in industrial processes. KEY POINTS: A new thermophilic-like OYE AfOYE1 was identified from Aspergillus flavus, and the T1/2 of AfOYE1 was 60 °C AfOYE1 catalyzed the reduction of 2-methylcyclohexenone with (S)-stereoselectivity The crystal structure of AfOYE1 was revealedv.
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Affiliation(s)
- Na Li
- College of Biological Engineering, Henan Unsssiversity of Technology, 100 Lianhua Street, Zhengzhou, 450001, Henan, China
| | - Yuan Wang
- College of Biological Engineering, Henan Unsssiversity of Technology, 100 Lianhua Street, Zhengzhou, 450001, Henan, China
| | - Yinyin Meng
- Henan International Joint Laboratory of Biocatalysis and Bio-Based Products, College of Life Sciences, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, China
| | - Yangyong Lv
- College of Biological Engineering, Henan Unsssiversity of Technology, 100 Lianhua Street, Zhengzhou, 450001, Henan, China
| | - Shuaibing Zhang
- College of Biological Engineering, Henan Unsssiversity of Technology, 100 Lianhua Street, Zhengzhou, 450001, Henan, China
| | - Shan Wei
- College of Biological Engineering, Henan Unsssiversity of Technology, 100 Lianhua Street, Zhengzhou, 450001, Henan, China
| | | | - Yuansen Hu
- College of Biological Engineering, Henan Unsssiversity of Technology, 100 Lianhua Street, Zhengzhou, 450001, Henan, China.
| | - Hui Lin
- Henan International Joint Laboratory of Biocatalysis and Bio-Based Products, College of Life Sciences, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, China.
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2
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Kattula B, Munakala A, Kashyap R, Nallamilli T, Nagendla NK, Naza S, Mudiam MKR, Chegondi R, Addlagatta A. Strategic enzymatic enantioselective desymmetrization of prochiral cyclohexa-2,5-dienones. Chem Commun (Camb) 2024; 60:6647-6650. [PMID: 38856301 DOI: 10.1039/d4cc02181a] [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: 06/11/2024]
Abstract
Asymmetric desymmetrization through the selective reduction of one double bond of prochiral 2,5-cyclohexadienones is highly challenging. A novel method has been developed for synthesizing chiral cyclohexenones by employing an ene-reductase (Bacillus subtilis YqjM) enzyme that belongs to the OYE family. Our strategy demonstrates high substrate scope and enantioselectivity towards substrates containing all-carbon as well as heteroatom (O, N)-containing quaternary centers. The mechanistic studies (kH/D = ∼1.8) indicate that hydride transfer is probably the rate-limiting step. Mutation of several active site residues did not affect the stereochemical outcomes. This work provides a convenient way of synthesizing various enantioselective γ,γ-disubstituted cyclohexanones using enzymes.
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Affiliation(s)
- Bhavita Kattula
- Department of Applied Biology, Hyderabad, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Anandarao Munakala
- Department of Organic Synthesis and Process Chemistry, Hyderabad, Telangana, India.
| | | | - Tarun Nallamilli
- Department of Organic Synthesis and Process Chemistry, Hyderabad, Telangana, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Narendra Kumar Nagendla
- Department of Analytical and Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Surabhi Naza
- Department of Applied Biology, Hyderabad, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Mohana Krishna Reddy Mudiam
- Department of Analytical and Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Rambabu Chegondi
- Department of Organic Synthesis and Process Chemistry, Hyderabad, Telangana, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Anthony Addlagatta
- Department of Applied Biology, Hyderabad, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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3
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Zhang L, Sun Z, Xu G, Ni Y. Classification and functional origins of stereocomplementary alcohol dehydrogenases for asymmetric synthesis of chiral secondary alcohols: A review. Int J Biol Macromol 2024; 270:132238. [PMID: 38729463 DOI: 10.1016/j.ijbiomac.2024.132238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 04/17/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Alcohol dehydrogenases (ADHs) mediated biocatalytic asymmetric reduction of ketones have been widely applied in the synthesis of optically active secondary alcohols with highly reactive hydroxyl groups ligated to the stereogenic carbon and divided into (R)- and (S)-configurations. Stereocomplementary ADHs could be applied in the synthesis of both enantiomers and are increasingly accepted as the "first of choice" in green chemistry due to the high atomic economy, low environmental factor, 100 % theoretical yield, and high environmentally friendliness. Due to the equal importance of complementary alcohols, development of stereocomplementary ADHs draws increasing attention. This review is committed to summarize recent advance in discovery of naturally evolved and tailor-made stereocomplementary ADHs, unveil the molecular mechanism of stereoselective catalysis in views of classification and functional basis, and provide guidance for further engineering the stereoselectivity of ADHs for the industrial biosynthesis of chiral secondary alcohol of industrial relevance.
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Affiliation(s)
- Lu Zhang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Zewen Sun
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Guochao Xu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China.
| | - Ye Ni
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China.
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4
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Cheng J, Zhang C, Zhang K, Li J, Hou Y, Xin J, Sun Y, Xu C, Xu W. Cyanobacteria-Mediated Light-Driven Biotransformation: The Current Status and Perspectives. ACS OMEGA 2023; 8:42062-42071. [PMID: 38024730 PMCID: PMC10653055 DOI: 10.1021/acsomega.3c05407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/29/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023]
Abstract
Most chemicals are manufactured by traditional chemical processes but at the expense of toxic catalyst use, high energy consumption, and waste generation. Biotransformation is a green, sustainable, and cost-effective process. As cyanobacteria can use light as the energy source to power the synthesis of NADPH and ATP, using cyanobacteria as the chassis organisms to design and develop light-driven biotransformation platforms for chemical synthesis has been gaining attention, since it can provide a theoretical and practical basis for the sustainable and green production of chemicals. Meanwhile, metabolic engineering and genome editing techniques have tremendous prospects for further engineering and optimizing chassis cells to achieve efficient light-driven systems for synthesizing various chemicals. Here, we display the potential of cyanobacteria as a promising light-driven biotransformation platform for the efficient synthesis of green chemicals and current achievements of light-driven biotransformation processes in wild-type or genetically modified cyanobacteria. Meanwhile, future perspectives of one-pot enzymatic cascade biotransformation from biobased materials in cyanobacteria have been proposed, which could provide additional research insights for green biotransformation and accelerate the advancement of biomanufacturing industries.
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Affiliation(s)
- Jie Cheng
- School
of Life Sciences, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Chaobo Zhang
- School
of Life Sciences, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Kaidian Zhang
- State
Key Laboratory of Marine Resource Utilization in the South China Sea,
School of Marine Biology and Aquaculture, Hainan University, Haikou, Hainan 570100, China
- Xiamen
Key Laboratory of Urban Sea Ecological Conservation and Restoration,
State Key Laboratory of Marine Environmental Science, College of Ocean
and Earth Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Jiashun Li
- Xiamen
Key Laboratory of Urban Sea Ecological Conservation and Restoration,
State Key Laboratory of Marine Environmental Science, College of Ocean
and Earth Sciences, Xiamen University, Xiamen, Fujian 361005, China
| | - Yuyong Hou
- Key
Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotech-nology, Chinese
Academy of Sciences, Tianjin 300308, China
| | - Jiachao Xin
- School
of Life Sciences, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Yang Sun
- School
of Life Sciences, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Chengshuai Xu
- School
of Life Sciences, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Wei Xu
- School
of Life Sciences, Liaocheng University, Liaocheng, Shandong 252000, China
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5
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Rudzka A, Zdun B, Antos N, Montero LM, Reiter T, Kroutil W, Borowiecki P. Biocatalytic characterization of an alcohol dehydrogenase variant deduced from Lactobacillus kefir in asymmetric hydrogen transfer. Commun Chem 2023; 6:217. [PMID: 37828252 PMCID: PMC10570314 DOI: 10.1038/s42004-023-01013-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 09/26/2023] [Indexed: 10/14/2023] Open
Abstract
Hydrogen transfer biocatalysts to prepare optically pure alcohols are in need, especially when it comes to sterically demanding ketones, whereof the bioreduced products are either essential precursors of pharmaceutically relevant compounds or constitute APIs themselves. In this study, we report on the biocatalytic potential of an anti-Prelog (R)-specific Lactobacillus kefir ADH variant (Lk-ADH-E145F-F147L-Y190C, named Lk-ADH Prince) employed as E. coli/ADH whole-cell biocatalyst and its characterization for stereoselective reduction of prochiral carbonyl substrates. Key enzymatic reaction parameters, including the reaction medium, evaluation of cofactor-dependency, organic co-solvent tolerance, and substrate loading, were determined employing the drug pentoxifylline as a model prochiral ketone. Furthermore, to tap the substrate scope of Lk-ADH Prince in hydrogen transfer reactions, a broad range of 34 carbonylic derivatives was screened. Our data demonstrate that E. coli/Lk-ADH Prince exhibits activity toward a variety of structurally different ketones, furnishing optically active alcohol products at the high conversion of 65-99.9% and in moderate-to-high isolated yields (38-91%) with excellent anti-Prelog (R)-stereoselectivity (up to >99% ee) at substrate concentrations up to 100 mM.
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Affiliation(s)
- Aleksandra Rudzka
- Laboratory of Biocatalysis and Biotransformation, Department of Drugs Technology and Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
| | - Beata Zdun
- Laboratory of Biocatalysis and Biotransformation, Department of Drugs Technology and Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
| | - Natalia Antos
- Laboratory of Biocatalysis and Biotransformation, Department of Drugs Technology and Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
| | - Lia Martínez Montero
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz, Field of Excellence BioHealth, Heinrichstrasse 28, 8010, Graz, Austria
| | - Tamara Reiter
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz, Field of Excellence BioHealth, Heinrichstrasse 28, 8010, Graz, Austria
| | - Wolfgang Kroutil
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz, Field of Excellence BioHealth, Heinrichstrasse 28, 8010, Graz, Austria
| | - Paweł Borowiecki
- Laboratory of Biocatalysis and Biotransformation, Department of Drugs Technology and Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland.
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6
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Partipilo M, Whittaker JJ, Pontillo N, Coenradij J, Herrmann A, Guskov A, Slotboom DJ. Biochemical and structural insight into the chemical resistance and cofactor specificity of the formate dehydrogenase from Starkeya novella. FEBS J 2023; 290:4238-4255. [PMID: 37213112 DOI: 10.1111/febs.16871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 05/04/2023] [Accepted: 05/19/2023] [Indexed: 05/23/2023]
Abstract
Formate dehydrogenases (Fdhs) mediate the oxidation of formate to carbon dioxide and concomitant reduction of nicotinamide adenine dinucleotide (NAD+ ). The low cost of the substrate formate and importance of the product NADH as a cellular source of reducing power make this reaction attractive for biotechnological applications. However, the majority of Fdhs are sensitive to inactivation by thiol-modifying reagents. In this study, we report a chemically resistant Fdh (FdhSNO ) from the soil bacterium Starkeya novella strictly specific for NAD+ . We present its recombinant overproduction, purification and biochemical characterization. The mechanistic basis of chemical resistance was found to be a valine in position 255 (rather than a cysteine as in other Fdhs) preventing the inactivation by thiol-modifying compounds. To further improve the usefulness of FdhSNO as for generating reducing power, we rationally engineered the protein to reduce the coenzyme nicotinamide adenine dinucleotide phosphate (NADP+ ) with better catalytic efficiency than NAD+ . The single mutation D221Q enabled the reduction of NADP+ with a catalytic efficiency kCAT /KM of 0.4 s-1 ·mm-1 at 200 mm formate, while a quadruple mutant (A198G/D221Q/H379K/S380V) resulted in a fivefold increase in catalytic efficiency for NADP+ compared with the single mutant. We determined the cofactor-bound structure of the quadruple mutant to gain mechanistic evidence behind the improved specificity for NADP+ . Our efforts to unravel the key residues for the chemical resistance and cofactor specificity of FdhSNO may lead to wider use of this enzymatic group in a more sustainable (bio)manufacture of value-added chemicals, as for instance the biosynthesis of chiral compounds.
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Affiliation(s)
- Michele Partipilo
- Department of Biochemistry, Groningen Institute of Biomolecular Sciences & Biotechnology, University of Groningen, The Netherlands
| | - Jacob J Whittaker
- Department of Biochemistry, Groningen Institute of Biomolecular Sciences & Biotechnology, University of Groningen, The Netherlands
| | - Nicola Pontillo
- Department of Biochemistry, Groningen Institute of Biomolecular Sciences & Biotechnology, University of Groningen, The Netherlands
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Groningen, The Netherlands
| | - Jelmer Coenradij
- Department of Biochemistry, Groningen Institute of Biomolecular Sciences & Biotechnology, University of Groningen, The Netherlands
| | - Andreas Herrmann
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Groningen, The Netherlands
- DWI-Leibniz Institute for Interactive Materials, Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Germany
| | - Albert Guskov
- Department of Biochemistry, Groningen Institute of Biomolecular Sciences & Biotechnology, University of Groningen, The Netherlands
| | - Dirk Jan Slotboom
- Department of Biochemistry, Groningen Institute of Biomolecular Sciences & Biotechnology, University of Groningen, The Netherlands
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7
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Yin C, Jiang YF, Huang F, Xu CQ, Pan Y, Gao S, Chen GQ, Ding X, Bai ST, Lang Q, Li J, Zhang X. A 13-million turnover-number anionic Ir-catalyst for a selective industrial route to chiral nicotine. Nat Commun 2023; 14:3718. [PMID: 37349291 DOI: 10.1038/s41467-023-39375-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 06/06/2023] [Indexed: 06/24/2023] Open
Abstract
Developing catalysts with both useful enantioselectivities and million turnover numbers (TONs) for asymmetric hydrogenation of ketones is attractive for industrial production of high-value bioactive chiral entities but remains a challenging. Herein, we report an ultra-efficient anionic Ir-catalyst integrated with the concept of multidentate ligation for asymmetric hydrogenation of ketones. Biocatalysis-like efficacy of up to 99% ee (enantiomeric excess), 13,425,000 TON (turnover number) and 224 s-1 TOF (turnover frequency) were documented for benchmark acetophenone. Up to 1,000,000 TON and 99% ee were achieved for challenging pyridyl alkyl ketone where at most 10,000 TONs are previously reported. The anionic Ir-catalyst showed a novel preferred ONa/MH instead of NNa/MH bifunctional mechanism. A selective industrial route to enantiopure nicotine has been established using this anionic Ir-catalyst for the key asymmetric hydrogenation step at 500 kg batch scale, providing 40 tons scale of product.
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Affiliation(s)
- Congcong Yin
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ya-Fei Jiang
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalytic Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Fanping Huang
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Cong-Qiao Xu
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalytic Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yingmin Pan
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
- Center for Carbon-Neutrality Catalysis Engineering and Institute of Carbon Neutral Technology, Shenzhen Polytechnic, Shenzhen, 518055, P. R. China
| | - Shuang Gao
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Gen-Qiang Chen
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiaobing Ding
- Shenzhen Catalys Technology Co., Ltd, Shenzhen, 518100, China
| | - Shao-Tao Bai
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China.
- Center for Carbon-Neutrality Catalysis Engineering and Institute of Carbon Neutral Technology, Shenzhen Polytechnic, Shenzhen, 518055, P. R. China.
| | - Qiwei Lang
- Shenzhen Catalys Technology Co., Ltd, Shenzhen, 518100, China.
| | - Jun Li
- Department of Chemistry and Guangdong Provincial Key Laboratory of Catalytic Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China.
- Department of Chemistry and Engineering Research Center of Advanced Rare-Earth Materials of Ministry of Education, Tsinghua University, Beijing, 100084, China.
| | - Xumu Zhang
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China.
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Ali Rachedi S, Genest M, Mann S, Buisson D. Combinatory Library of Microorganisms in the Selection of Reductive Activity Applied to a Ketone Mixture: Unexpected Highlighting of an Enantioselective Oxidative Activity. Microorganisms 2023; 11:1415. [PMID: 37374917 DOI: 10.3390/microorganisms11061415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Biocatalytic processes are increasingly used in organic synthesis for the preparation of targeted molecules or the generation of molecular diversity. The search for the biocatalyst is often the bottleneck in the development of the process. We described a combinatorial approach for the selection of active strains from a library of microorganisms. In order to show the potential of the method we applied it to a mixture of substrates. We were able to select yeast strains capable of producing enantiopure alcohol from corresponding ketones with very few tests and highlight tandem reaction sequences involving several microorganisms. We demonstrate an interest in the kinetic study and the importance of incubation conditions. This approach is a promising tool for generating new products.
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Affiliation(s)
- Sofiane Ali Rachedi
- Unité Molécules de Communication et Adaptation des Microorganismes, Muséum National d'Histoire Naturelle, CNRS UMR 7245, CP54, 57 rue Cuvier (63 rue Buffon), 75005 Paris, France
| | - Maximillien Genest
- Unité Molécules de Communication et Adaptation des Microorganismes, Muséum National d'Histoire Naturelle, CNRS UMR 7245, CP54, 57 rue Cuvier (63 rue Buffon), 75005 Paris, France
| | - Stéphane Mann
- Unité Molécules de Communication et Adaptation des Microorganismes, Muséum National d'Histoire Naturelle, CNRS UMR 7245, CP54, 57 rue Cuvier (63 rue Buffon), 75005 Paris, France
| | - Didier Buisson
- Unité Molécules de Communication et Adaptation des Microorganismes, Muséum National d'Histoire Naturelle, CNRS UMR 7245, CP54, 57 rue Cuvier (63 rue Buffon), 75005 Paris, France
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9
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Brott S, Nam KH, Thomas F, Dutschei T, Reisky L, Behrens M, Grimm HC, Michel G, Schweder T, Bornscheuer UT. Unique alcohol dehydrogenases involved in algal sugar utilization by marine bacteria. Appl Microbiol Biotechnol 2023; 107:2363-2384. [PMID: 36881117 PMCID: PMC10033563 DOI: 10.1007/s00253-023-12447-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 03/08/2023]
Abstract
Marine algae produce complex polysaccharides, which can be degraded by marine heterotrophic bacteria utilizing carbohydrate-active enzymes. The red algal polysaccharide porphyran contains the methoxy sugar 6-O-methyl-D-galactose (G6Me). In the degradation of porphyran, oxidative demethylation of this monosaccharide towards D-galactose and formaldehyde occurs, which is catalyzed by a cytochrome P450 monooxygenase and its redox partners. In direct proximity to the genes encoding for the key enzymes of this oxidative demethylation, genes encoding for zinc-dependent alcohol dehydrogenases (ADHs) were identified, which seem to be conserved in porphyran utilizing marine Flavobacteriia. Considering the fact that dehydrogenases could play an auxiliary role in carbohydrate degradation, we aimed to elucidate the physiological role of these marine ADHs. Although our results reveal that the ADHs are not involved in formaldehyde detoxification, a knockout of the ADH gene causes a dramatic growth defect of Zobellia galactanivorans with G6Me as a substrate. This indicates that the ADH is required for G6Me utilization. Complete biochemical characterizations of the ADHs from Formosa agariphila KMM 3901T (FoADH) and Z. galactanivorans DsijT (ZoADH) were performed, and the substrate screening revealed that these enzymes preferentially convert aromatic aldehydes. Additionally, we elucidated the crystal structures of FoADH and ZoADH in complex with NAD+ and showed that the strict substrate specificity of these new auxiliary enzymes is based on a narrow active site. KEY POINTS: • Knockout of the ADH-encoding gene revealed its role in 6-O-methyl-D-galactose utilization, suggesting a new auxiliary activity in marine carbohydrate degradation. • Complete enzyme characterization indicated no function in a subsequent reaction of the oxidative demethylation, such as formaldehyde detoxification. • These marine ADHs preferentially convert aromatic compounds, and their strict substrate specificity is based on a narrow active site.
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Affiliation(s)
- Stefan Brott
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany
| | - Ki Hyun Nam
- Department of Life Science, Pohang University of Science and Technology, Pohang, 37673, South Korea
| | - François Thomas
- Laboratory of Integrative Biology of Marine Models (LBI2M), Station Biologique de Roscoff (SBR), Sorbonne Université, CNRS 29688, Roscoff, Bretagne, France
| | - Theresa Dutschei
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany
| | - Lukas Reisky
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany
| | - Maike Behrens
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany
| | - Hanna C Grimm
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany
| | - Gurvan Michel
- Laboratory of Integrative Biology of Marine Models (LBI2M), Station Biologique de Roscoff (SBR), Sorbonne Université, CNRS 29688, Roscoff, Bretagne, France
| | - Thomas Schweder
- Department of Pharmaceutical Biotechnology, Institute of Pharmacy, University of Greifswald, 17487, Greifswald, Germany
| | - Uwe T Bornscheuer
- Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany.
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10
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Sardauna AE, Abdulrasheed M, Nzila A, Musa MM. Biocatalytic asymmetric reduction of prochiral bulky-bulky ketones. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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11
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Van Galen CJ, Pauszek RF, Koder RL, Stanley RJ. Flavin Charge Redistribution upon Optical Excitation Is Independent of Solvent Polarity. J Phys Chem B 2023; 127:661-672. [PMID: 36649202 DOI: 10.1021/acs.jpcb.2c07266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Flavin absorption spectra encode molecular details of the flavin's local environment through coupling of local electric fields with the chromophore's charge redistribution upon optical excitation. Translating experimentally measured field-tuned transition energies to local electric field magnitudes and directions across a wide range of field magnitudes requires that the charge redistribution be independent of the local field. We have measured the charge redistribution upon optical excitation of the derivatized flavin TPARF in the non-hydrogen-bonding, nonpolar solvent toluene, with and without a tridentate hydrogen-bonding ligand, DBAP, using electronic Stark spectroscopy. These measurements were interpreted using TD-DFT finite field and difference density calculations. In comparing our present results to previous Stark spectroscopic analyses of flavin in more polar solvents, we conclude that flavin charge redistribution upon optical excitation is independent of solvent polarity, indicating that dependence of flavin transition energies on local field magnitude is linear with local field magnitude.
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Affiliation(s)
- Cornelius J Van Galen
- Department of Chemistry, Temple University, 1901 N. 13th St., 250B Beury Hall, Philadelphia, Pennsylvania19122, United States
| | - Raymond F Pauszek
- Department of Chemistry, Temple University, 1901 N. 13th St., 250B Beury Hall, Philadelphia, Pennsylvania19122, United States
| | - Ronald L Koder
- Department of Physics, The City College of New York, 1.308 CDI Bldg., 85 St. Nicholas Terrace, New York, New York10031, United States
| | - Robert J Stanley
- Department of Chemistry, Temple University, 1901 N. 13th St., 250B Beury Hall, Philadelphia, Pennsylvania19122, United States
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12
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Li X, Li J, Wang T, Khan SA, Yuan Z, Yin Y, Zhang H. Self-Powered Respiratory Monitoring Strategy Based on Adaptive Dual-Network Thermogalvanic Hydrogels. ACS APPLIED MATERIALS & INTERFACES 2022; 14:48743-48751. [PMID: 36269324 DOI: 10.1021/acsami.2c14239] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
As a low-grade sustainable heat source, the breath waste heat exhaled by human bodies is always ignored, although producing a greater temperature than ambient. Converting this heat into electric energy for use as power sources or detecting signals is extremely important in cutting-edge wearable medicine. This heat-to-electricity conversion is possible with thermogalvanic hydrogels. However, challenges remain in their antifreezing and antidrying properties, significantly restricting the durability of thermogalvanic gels in practical applications. Herein, a dual-network poly(vinyl alcohol)/gelatin (PVA/GEL) gel thermogalvanic device with Fe(CN)63-/4- as a redox pair is developed, with an outstanding low-temperature durability and antidrying capacity. These features result from the use of a binary H2O/GL (glycerin) solvent to limit hydrogen bonding between water molecules. The prepared thermogalvanic gel patch is capable of easily converting physiological data into understandable electrical impulses using the temperature difference between the ambient environment and the heat produced by human breathing, realizing a simple self-powered respiratory monitoring strategy for the first time. Even below zero temperature, the gel patch-based mask can operate normally, implying it fits into low-temperature environments. This study sheds fresh light on the development of active wearable medical electronics that are powered by demic low-level heat.
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Affiliation(s)
- Xuebiao Li
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jianing Li
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030024, China
| | - Tao Wang
- College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Saeed Ahmed Khan
- Department of Electrical Engineering, Sukkur IBA University, Sukkur 65200, Pakistan
| | - Zhongyun Yuan
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030024, China
| | - Yifan Yin
- Department of Mechatronics and Vehicle Engineering, Taiyuan University, Taiyuan 030032, China
| | - Hulin Zhang
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030024, China
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13
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Biocatalytic hydrogen-transfer to access enantiomerically pure proxyphylline, xanthinol, and diprophylline. Bioorg Chem 2022; 127:105967. [DOI: 10.1016/j.bioorg.2022.105967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 11/24/2022]
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14
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Musa MM. Alcohol Dehydrogenases with anti-Prelog Stereopreference in Synthesis of Enantiopure Alcohols. ChemistryOpen 2022; 11:e202100251. [PMID: 35191611 PMCID: PMC8973272 DOI: 10.1002/open.202100251] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 02/03/2022] [Indexed: 01/03/2023] Open
Abstract
Biocatalytic production of both enantiomers of optically active alcohols with high enantiopurities is of great interest in industry. Alcohol dehydrogenases (ADHs) represent an important class of enzymes that could be used as catalysts to produce optically active alcohols from their corresponding prochiral ketones. This review covers examples of the synthesis of optically active alcohols using ADHs that exhibit anti-Prelog stereopreference. Both wild-type and engineered ADHs that exhibit anti-Prelog stereopreference are highlighted.
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Affiliation(s)
- Musa M. Musa
- Department of Chemistry Interdisciplinary Research Center for Refining and Advanced ChemicalsKing Fahd University of Petroleum and MineralsDhahran31261Saudi Arabia
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15
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Yang LC, Deng H, Renata H. Recent Progress and Developments in Chemoenzymatic and Biocatalytic Dynamic Kinetic Resolution. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00463] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Li-Cheng Yang
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Heping Deng
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Hans Renata
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
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16
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Borowiecki P, Rudzka A, Reiter T, Kroutil W. Chemoenzymatic deracemization of lisofylline catalyzed by a (laccase/TEMPO)-alcohol dehydrogenase system. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00145d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This article reports on a novel biocatalytic method for the synthesis of both enantiomers of lisofylline based on Trametes versicolor laccase, TEMPO as a redox mediator and stereocomplementary recombinant alcohol dehydrogenases as biocatalysts.
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Affiliation(s)
- Paweł Borowiecki
- Laboratory of Biocatalysis and Biotransformation, Department of Drugs Technology and Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Koszykowa St. 75, 00-662 Warsaw, Poland
| | - Aleksandra Rudzka
- Laboratory of Biocatalysis and Biotransformation, Department of Drugs Technology and Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Koszykowa St. 75, 00-662 Warsaw, Poland
| | - Tamara Reiter
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz, Field of Excellence BioHealth, Heinrichstrasse 28, 8010 Graz, Austria
| | - Wolfgang Kroutil
- Institute of Chemistry, University of Graz, NAWI Graz, BioTechMed Graz, Field of Excellence BioHealth, Heinrichstrasse 28, 8010 Graz, Austria
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17
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Sellés Vidal L, Murray JW, Heap JT. Versatile selective evolutionary pressure using synthetic defect in universal metabolism. Nat Commun 2021; 12:6859. [PMID: 34824282 PMCID: PMC8616928 DOI: 10.1038/s41467-021-27266-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 11/04/2021] [Indexed: 11/13/2022] Open
Abstract
The non-natural needs of industrial applications often require new or improved enzymes. The structures and properties of enzymes are difficult to predict or design de novo. Instead, semi-rational approaches mimicking evolution entail diversification of parent enzymes followed by evaluation of isolated variants. Artificial selection pressures coupling desired enzyme properties to cell growth could overcome this key bottleneck, but are usually narrow in scope. Here we show diverse enzymes using the ubiquitous cofactors nicotinamide adenine dinucleotide (NAD) or nicotinamide adenine dinucleotide phosphate (NADP) can substitute for defective NAD regeneration, representing a very broadly-applicable artificial selection. Inactivation of Escherichia coli genes required for anaerobic NAD regeneration causes a conditional growth defect. Cells are rescued by foreign enzymes connected to the metabolic network only via NAD or NADP, but only when their substrates are supplied. Using this principle, alcohol dehydrogenase, imine reductase and nitroreductase variants with desired selectivity modifications, and a high-performing isopropanol metabolic pathway, are isolated from libraries of millions of variants in single-round experiments with typical limited information to guide design.
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Affiliation(s)
- Lara Sellés Vidal
- grid.7445.20000 0001 2113 8111Imperial College Centre for Synthetic Biology, Imperial College London, London, SW7 2AZ UK ,grid.7445.20000 0001 2113 8111Department of Life Sciences, Imperial College London, London, SW7 2AZ UK
| | - James W. Murray
- grid.7445.20000 0001 2113 8111Department of Life Sciences, Imperial College London, London, SW7 2AZ UK
| | - John T. Heap
- grid.7445.20000 0001 2113 8111Imperial College Centre for Synthetic Biology, Imperial College London, London, SW7 2AZ UK ,grid.7445.20000 0001 2113 8111Department of Life Sciences, Imperial College London, London, SW7 2AZ UK ,grid.4563.40000 0004 1936 8868School of Life Sciences, The University of Nottingham, Biodiscovery Institute, University Park, Nottingham, NG7 2RD UK
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18
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Shi Q, Jia Y, Wang H, Li S, Li H, Guo J, Dou T, Qin B, You S. Identification of four ene reductases and their preliminary exploration in the asymmetric synthesis of (R)-dihydrocarvone and (R)-profen derivatives. Enzyme Microb Technol 2021; 150:109880. [PMID: 34489033 DOI: 10.1016/j.enzmictec.2021.109880] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 11/16/2022]
Abstract
The ene reductases (ERs) from the old yellow enzymes (OYEs) family have the ability to reduce activated alkenes to generate up to two stereocenters, therefore they have been received extensive attention as powerful biocatalysts. In this study, through gene mining, four ERs were identified from the genomes of Ensifer adhaerens, Pseudomonas fluorescens, and Pseudomonas veronil. The biocatalytic properties of these four ERs were identified, and their applications in the synthesis process of dihydrocarvone and profen derivatives were further evaluated. Among them, three ERs (EaER2, PvER1, and PvER2) belonging to the classic OYEs showed the best catalytic activity at 30 °C and pH 7.0 (100 mM potassium phosphate buffer) and the PfER2, which belongs to the thermophilic-like OYEs exhibited the best catalytic at 40 °C and pH 7.0 (100 mM potassium phosphate buffer). When exploring the influence of organic solvents on the catalytic efficiency, it was found that the four ERs were more sensitive to toluene and had tolerance to several other selected organic solvents. In addition, EaER2, PfER2, PvER1 and PvER2 showed excellent catalytic activity toward carvone, and the stereoselectivity of PvER2 toward carvone could reach up to 88.7 % de. EaER2 and PfER2 can catalyze the synthesis of a variety of profen derivatives with a stereoselectivity over 99 % ee. Moreover, through homology modeling and molecular docking, we preliminarily explained the mechanism of catalytic activity and stereoselectivity of the four ERs, which provided a solid base on the rational design of their stereo-preference in the future. The discovery of EaER2, PfER2, PvER1, and PvER2 provides four new enzyme sources for the study of the OYEs family and enriches the biocatalytic toolbox of ERs. Our exploration of the enzymatic properties of these four ERs will provide the sufficient data basis for future research and industrialization progress.
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Affiliation(s)
- Qinghua Shi
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Yutian Jia
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Huibin Wang
- School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Shang Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Hengyu Li
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Jiyang Guo
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Tong Dou
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China
| | - Bin Qin
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China.
| | - Song You
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe, Shenyang, 110016, People's Republic of China.
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19
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Barik R, Halder J, Jana P, Nanda S. Stereoselective synthesis of novel carbocyclic and heterocyclic scaffolds of medicinal importance from biocatalytically derived enantiopure α-substituted-β-hydroxy esters. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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20
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Marrone A, Fish RH. DFT Mechanism Studies: Biomimetic 1,4-NADH Chemoselective, Co-factor Regeneration with [Cp*Rh(bpy)H]+, in Tandem with the Biocatalysis Pathways of a Core Model of the (HLADH)-Zn(II) Mediated Enzyme, in the Enantioselective Reduction of Achiral Ketones to Chiral S-Alcohols. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121810] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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21
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Liu G, Li S, Shi Q, Li H, Guo J, Ouyang J, Jia X, Zhang L, You S, Qin B. Engineering of Saccharomyces pastorianus old yellow enzyme 1 for the synthesis of pharmacologically active (S)-profen derivatives. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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22
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Musa MM, Vieille C, Phillips RS. Secondary Alcohol Dehydrogenases from Thermoanaerobacter pseudoethanolicus and Thermoanaerobacter brockii as Robust Catalysts. Chembiochem 2021; 22:1884-1893. [PMID: 33594812 DOI: 10.1002/cbic.202100043] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/15/2021] [Indexed: 11/06/2022]
Abstract
Alcohol dehydrogenases (ADHs) are an important type of enzyme that have significant applications as biocatalysts. Secondary ADHs from Thermoanaerobacter pseudoethanolicus (TeSADH) and Thermoanaerobacter brockii (TbSADH) are well-known as robust catalysts. However, like most other ADHs, these enzymes suffer from their high substrate specificities (i. e., limited substrate scope), which to some extent restricts their use as biocatalysts. This minireview discusses recent efforts to expand the substrate scope and tune the enantioselectivity of TeSADH and TbSADH by using site-directed mutagenesis and directed evolution. Various examples of asymmetric synthesis of optically active alcohols using both enzymes are highlighted. Moreover, the unique thermal stability and organic solvent tolerance of these enzymes is illustrated by their concurrent inclusion with other interesting reactions to synthesize optically active alcohols and amines. For instance, TeSADH has been used in quantitative non-stereoselective oxidation of alcohols to deracemize alcohols via cyclic deracemization and in the racemization of enantiopure alcohols to accomplish a bienzymatic dynamic kinetic resolution.
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Affiliation(s)
- Musa M Musa
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Claire Vieille
- Department of Microbiology and Molecular Genetics and, Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - Robert S Phillips
- Department of Chemistry and, Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA
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23
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Petrovičová T, Gyuranová D, Plž M, Myrtollari K, Smonou I, Rebroš M. Application of robust ketoreductase from Hansenula polymorpha for the reduction of carbonyl compounds. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2020.111364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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24
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Cao CH, Gong H, Dong Y, Li JM, Cheng F, Xue YP, Zheng YG. Enzyme cascade for biocatalytic deracemization of D,L-phosphinothricin. J Biotechnol 2020; 325:372-379. [PMID: 33007350 DOI: 10.1016/j.jbiotec.2020.09.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/14/2020] [Accepted: 09/26/2020] [Indexed: 10/23/2022]
Abstract
Deracemization of D,L-phosphinothricin (D,L-PPT) is one of the most promising routes for preparation of optically pure L-PPT. In this work, an efficient multi-enzyme redox cascade was developed for deracemization ofPPT, which includes oxidative reaction and reductive reaction. The oxidative reaction catalyzing oxidative deamination of D-PPT to 2-oxo-4-[(hydroxy)(-methyl)phosphinyl]butyric acid (PPO) was performed by a D-amino acid oxidase and a catalase for removing H2O2. The reductive reaction catalyzing amination of PPO to L-PPT is achieved by a glufosinate dehydrogenase and a glucose dehydrogenase for cofactor regeneration. To avoid the inhibitory effect of glucose on the oxidative reaction, a "two stages in one-pot" strategy was developed to combine these two reactions in deracemization process. By using this strategy, the L-PPT was obtained with a high yield (89 %) and > 99 % enantiomeric excess at substrate loading of 300 mM in absence of addition of extra NADP+. These encouraging results demonstrated that the developed enzyme cascade deracemization process exhibits great potential and economical competitiveness for manufacture of L-PPT from D,L-PPT.
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Affiliation(s)
- Cheng-Hao Cao
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Huo Gong
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yan Dong
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ju-Mou Li
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Feng Cheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ya-Ping Xue
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Yu-Guo Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China; National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, Hangzhou 310014, China
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Plž M, Petrovičová T, Rebroš M. Semi-Continuous Flow Biocatalysis with Affinity Co-Immobilized Ketoreductase and Glucose Dehydrogenase. Molecules 2020; 25:molecules25184278. [PMID: 32961948 PMCID: PMC7570937 DOI: 10.3390/molecules25184278] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 09/10/2020] [Accepted: 09/16/2020] [Indexed: 12/13/2022] Open
Abstract
The co-immobilization of ketoreductase (KRED) and glucose dehydrogenase (GDH) on highly cross-linked agarose (sepharose) was studied. Immobilization of these two enzymes was performed via affinity interaction between His-tagged enzymes (six histidine residues on the N-terminus of the protein) and agarose matrix charged with nickel (Ni2+ ions). Immobilized enzymes were applied in a semicontinuous flow reactor to convert the model substrate; α-hydroxy ketone. A series of biotransformation reactions with a substrate conversion of >95% were performed. Immobilization reduced the requirement for cofactor (NADP+) and allowed the use of higher substrate concentration in comparison with free enzymes. The immobilized system was also tested on bulky ketones and a significant enhancement in comparison with free enzymes was achieved.
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Old yellow enzymes: structures and structure-guided engineering for stereocomplementary bioreduction. Appl Microbiol Biotechnol 2020; 104:8155-8170. [PMID: 32830294 DOI: 10.1007/s00253-020-10845-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/07/2020] [Accepted: 08/17/2020] [Indexed: 10/23/2022]
Abstract
Since the first discovery of old yellow enzyme 1 (OYE1) from Saccharomyces pastorianus in 1932, biocatalytic asymmetric reduction of activated alkenes by OYEs has become a valuable reaction in organic synthesis. To access stereocomplementary C=C-bond bioreduction, the mining of novel OYEs and especially the protein engineering of existing OYEs have been performed, which successfully achieved the stereocomplementary reduction in several cases and further raise the potential of applications. In this review, we analyzed the structures, active sites, and substrate recognition of OYEs, which are the bases for their substrate specificity and stereospecificity. Sequence similarity network of OYEs superfamily was also constructed to investigate the scope of characterized OYEs. The structure-guided engineering to switch the stereoselectivity of OYEs and thus access stereocomplementary bioreduction over the last decade (2009-2020) was then reviewed and discussed, which might give new insights into the mining and engineering of related biocatalysts. KEY POINTS: • The sequence similarity network of OYEs superfamily was constructed and annotated. • The structures and active sites of OYEs from different classes were compared. • "Left/right" binding mode was used to explain the stereopreferences of OYEs. • Structure-guided engineering of OYEs to switch their stereoselectivity was reviewed.
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Martínez-Rodríguez S, Torres JM, Sánchez P, Ortega E. Overview on Multienzymatic Cascades for the Production of Non-canonical α-Amino Acids. Front Bioeng Biotechnol 2020; 8:887. [PMID: 32850740 PMCID: PMC7431475 DOI: 10.3389/fbioe.2020.00887] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/09/2020] [Indexed: 12/11/2022] Open
Abstract
The 22 genetically encoded amino acids (AAs) present in proteins (the 20 standard AAs together with selenocysteine and pyrrolysine), are commonly referred as proteinogenic AAs in the literature due to their appearance in ribosome-synthetized polypeptides. Beyond the borders of this key set of compounds, the rest of AAs are generally named imprecisely as non-proteinogenic AAs, even when they can also appear in polypeptide chains as a result of post-transductional machinery. Besides their importance as metabolites in life, many of D-α- and L-α-"non-canonical" amino acids (NcAAs) are of interest in the biotechnological and biomedical fields. They have found numerous applications in the discovery of new medicines and antibiotics, drug synthesis, cosmetic, and nutritional compounds, or in the improvement of protein and peptide pharmaceuticals. In addition to the numerous studies dealing with the asymmetric synthesis of NcAAs, many different enzymatic pathways have been reported in the literature allowing for the biosynthesis of NcAAs. Due to the huge heterogeneity of this group of molecules, this review is devoted to provide an overview on different established multienzymatic cascades for the production of non-canonical D-α- and L-α-AAs, supplying neophyte and experienced professionals in this field with different illustrative examples in the literature. Whereas the discovery of new or newly designed enzymes is of great interest, dusting off previous enzymatic methodologies by a "back and to the future" strategy might accelerate the implementation of new or improved multienzymatic cascades.
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Kwok CL, Cheng SC, Ho PY, Yiu SM, Man WL, Au VKM, Tsang PK, Leung CF, Ko CC, Robert M. Precious-metal free photocatalytic production of an NADH analogue using cobalt diimine-dioxime catalysts under both aqueous and organic conditions. Chem Commun (Camb) 2020; 56:7491-7494. [PMID: 32497158 DOI: 10.1039/d0cc02604b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The photocatalytic generation of an NADH synthetic analogue, i.e. 1-benzyl-1,4-dihydronicotinamide (1,4-BNAH), has been studied using the cobalt diimino-dioxime complexes and the BF2-bridged derivative as catalysts. 1,4-BNAH was produced in both aqueous and organic media at unprecedented turnover numbers with metal and organic photosensitizers, respectively.
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Affiliation(s)
- Chun-Leung Kwok
- Department of Science and Environmental Studies, The Education University of Hong Kong, 10 Lo Ping Road, Tai Po, New Territories, Hong Kong, China.
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29
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Kanagaraj K, Liang W, Rao M, Yao J, Wu W, Cheng G, Ji J, Wei X, Peng C, Yang C. pH-Controlled Chirality Inversion in Enantiodifferentiating Photocyclodimerization of 2-Antharacenecarboxylic Acid Mediated by γ-Cyclodextrin Derivatives. Org Lett 2020; 22:5273-5278. [PMID: 32418431 DOI: 10.1021/acs.orglett.0c01194] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Several γ-cyclodextrin (γ-CDx) derivatives were used as chiral hosts for the photocyclodimerization of 2-anthracenecarboxylic acid (AC). The effect of pH on photoreactivity and stereochemical outcome of photoproducts was investigated. Upon changing the solution pH, the stereochemical outcome of HH cyclodimer 3 was inverted from 25.2% to -64.4% and 41.2% to -76.2%, respectively, in the photocyclodimerization of AC mediated by bis-quinoline-modified γ-CDx 7 and its N-methylated derivative 8.
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Affiliation(s)
- Kuppusamy Kanagaraj
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Wenting Liang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China.,Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Ming Rao
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Jiabin Yao
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Wanhua Wu
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Guo Cheng
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Jiecheng Ji
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Xueqin Wei
- School of Pharmacy, Guangxi Medical University, Nanning 530021, China
| | - Chao Peng
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Cheng Yang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
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30
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Nakano Y, Black MJ, Meichan AJ, Sandoval BA, Chung MM, Biegasiewicz KF, Zhu T, Hyster TK. Photoenzymatic Hydrogenation of Heteroaromatic Olefins Using 'Ene'-Reductases with Photoredox Catalysts. Angew Chem Int Ed Engl 2020; 59:10484-10488. [PMID: 32181943 DOI: 10.1002/anie.202003125] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Indexed: 12/20/2022]
Abstract
Flavin-dependent 'ene'-reductases (EREDs) are highly selective catalysts for the asymmetric reduction of activated alkenes. This function is, however, limited to enones, enoates, and nitroalkenes using the native hydride transfer mechanism. Here we demonstrate that EREDs can reduce vinyl pyridines when irradiated with visible light in the presence of a photoredox catalyst. Experimental evidence suggests the reaction proceeds via a radical mechanism where the vinyl pyridine is reduced to the corresponding neutral benzylic radical in solution. DFT calculations reveal this radical to be "dynamically stable", suggesting it is sufficiently long-lived to diffuse into the enzyme active site for stereoselective hydrogen atom transfer. This reduction mechanism is distinct from the native one, highlighting the opportunity to expand the synthetic capabilities of existing enzyme platforms by exploiting new mechanistic models.
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Affiliation(s)
- Yuji Nakano
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA.,Present address: Monash Institute of Pharmaceutical Science, Monash University, Parkville, Victoria, 3052, Australia
| | - Michael J Black
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
| | - Andrew J Meichan
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
| | | | - Megan M Chung
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
| | - Kyle F Biegasiewicz
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA.,Present address: School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
| | - Tianyu Zhu
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Todd K Hyster
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
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31
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Nakano Y, Black MJ, Meichan AJ, Sandoval BA, Chung MM, Biegasiewicz KF, Zhu T, Hyster TK. Photoenzymatic Hydrogenation of Heteroaromatic Olefins Using ‘Ene’‐Reductases with Photoredox Catalysts. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003125] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Yuji Nakano
- Department of Chemistry Princeton University Princeton NJ 08544 USA
- Present address: Monash Institute of Pharmaceutical Science Monash University Parkville Victoria 3052 Australia
| | - Michael J. Black
- Department of Chemistry Princeton University Princeton NJ 08544 USA
| | | | | | - Megan M. Chung
- Department of Chemistry Princeton University Princeton NJ 08544 USA
| | - Kyle F. Biegasiewicz
- Department of Chemistry Princeton University Princeton NJ 08544 USA
- Present address: School of Molecular Sciences Arizona State University Tempe AZ 85287 USA
| | - Tianyu Zhu
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Todd K. Hyster
- Department of Chemistry Princeton University Princeton NJ 08544 USA
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32
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dos Santos RAM, Reis AV, Pilau EJ, Porto C, Gonçalves JE, de Oliveira AJB, Gonçalves RAC. The headspace-GC/MS: Alternative methodology employed in the bioreduction of (4S)-(+)-carvone mediated by human skin fungus. BIOCATAL BIOTRANSFOR 2020. [DOI: 10.1080/10242422.2020.1743692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Rogério Aparecido Minini dos Santos
- Department of Pharmacy, University Center of Maringá – Unicesumar, Maringá, Brazil
- Department of Pharmacy, Graduate Program in Pharmaceutical Science, State University of Maringá – UEM, Maringá, Brazil
| | - Adriano Valim Reis
- Department of Pharmacy, Graduate Program in Pharmaceutical Science, State University of Maringá – UEM, Maringá, Brazil
| | | | - Carla Porto
- Program of Master in Science, Technology and Food Safety and Cesumar Institute of Science, Technology and Innovation – ICETI, Maringá, Brazil
| | - José Eduardo Gonçalves
- Program of Master in Science, Technology and Food Safety and Cesumar Institute of Science, Technology and Innovation – ICETI, Maringá, Brazil
- Program of Master in Clean Technology, University Center of Maringá – Unicesumar, Maringá, Brazil
| | - Arildo José Braz de Oliveira
- Department of Pharmacy, Graduate Program in Pharmaceutical Science, State University of Maringá – UEM, Maringá, Brazil
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33
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Bandeira PT, Gotor-Fernández V, Piovan L. Stereoselective Bioreduction of Telluro-Acetophenones to Optically Active Hydroxy Tellurides. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901841] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Pamela Taisline Bandeira
- Department of Chemistry; Federal University of Paraná; Avenida Coronel Francisco H. dos Santos 100 81531991 Curitiba Brazil
- Department of Organic and Inorganic Chemistry; University of Oviedo; Avenida Julián Clavería 8 33006 Oviedo Spain
| | - Vicente Gotor-Fernández
- Department of Organic and Inorganic Chemistry; University of Oviedo; Avenida Julián Clavería 8 33006 Oviedo Spain
| | - Leandro Piovan
- Department of Chemistry; Federal University of Paraná; Avenida Coronel Francisco H. dos Santos 100 81531991 Curitiba Brazil
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34
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Ishikawa H, Ban K, Uemura N, Yoshida Y, Mino T, Kasashima Y, Sakamoto M. Attrition‐Enhanced Deracemization of Axially Chiral Nicotinamides. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901826] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hiroki Ishikawa
- Department of Applied Chemistry and Biotechnology Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
| | - Kazuma Ban
- Department of Applied Chemistry and Biotechnology Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
| | - Naohiro Uemura
- Department of Applied Chemistry and Biotechnology Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
| | - Yasushi Yoshida
- Department of Applied Chemistry and Biotechnology Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
- Molecular Chirality Research Center Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
| | - Takashi Mino
- Department of Applied Chemistry and Biotechnology Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
- Molecular Chirality Research Center Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
| | - Yoshio Kasashima
- Education Center Faculty of Creative Engineering Chiba Institute of Technology Shibazono, Narashino 275‐0023 Chiba Japan
| | - Masami Sakamoto
- Department of Applied Chemistry and Biotechnology Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
- Molecular Chirality Research Center Graduate School Engineering Chiba University Yayoi‐cho, Inage‐ku 263‐8522 Chiba Japan
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35
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Gold-coated magnetic nanocatalyst containing wired oxidoreductases for mediatorless catalysis of carbohydrate oxidation by oxygen. CATAL COMMUN 2020. [DOI: 10.1016/j.catcom.2019.105848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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36
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Chinnaraja E, Arunachalam R, Samanta K, Natarajan R, Subramanian PS. Enantioselective Michael Addition Reaction Catalysed by Enantiopure Binuclear Nickel(II) Close‐Ended Helicates. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901350] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Eswaran Chinnaraja
- Inorganic Materials and Catalysis DivisionCSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) Bhavnagar 364 002, Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Rajendran Arunachalam
- Inorganic Materials and Catalysis DivisionCSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) Bhavnagar 364 002, Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Krishanu Samanta
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Organic & Medicinal Chemistry DivisionCSIR-Indian Institute of Chemical Biology Kolkata India
| | - Ramalingam Natarajan
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Organic & Medicinal Chemistry DivisionCSIR-Indian Institute of Chemical Biology Kolkata India
| | - Palani S. Subramanian
- Inorganic Materials and Catalysis DivisionCSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) Bhavnagar 364 002, Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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37
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Spielmann A, Brack Y, van Beek H, Flachbart L, Sundermeyer L, Baumgart M, Bott M. NADPH biosensor-based identification of an alcohol dehydrogenase variant with improved catalytic properties caused by a single charge reversal at the protein surface. AMB Express 2020; 10:14. [PMID: 31955268 PMCID: PMC6969876 DOI: 10.1186/s13568-020-0946-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 01/06/2020] [Indexed: 01/29/2023] Open
Abstract
Alcohol dehydrogenases (ADHs) are used in reductive biotransformations for the production of valuable chiral alcohols. In this study, we used a high-throughput screening approach based on the NADPH biosensor pSenSox and fluorescence-activated cell sorting (FACS) to search for variants of the NADPH-dependent ADH of Lactobacillus brevis (LbADH) with improved activity for the reduction of 2,5-hexanedione to (2R,5R)-hexanediol. In a library of approx. 1.4 × 106 clones created by random mutagenesis we identified the variant LbADHK71E. Kinetic analysis of the purified enzyme revealed that LbADHK71E had a ~ 16% lowered KM value and a 17% higher Vmax for 2,5-hexanedione compared to the wild-type LbADH. Higher activities were also observed for the alternative substrates acetophenone, acetylpyridine, 2-hexanone, 4-hydroxy-2-butanone, and methyl acetoacetate. K71 is solvent-exposed on the surface of LbADH and not located within or close to the active site. Therefore, K71 is not an obvious target for rational protein engineering. The study demonstrates that high-throughput screening using the NADPH biosensor pSenSox represents a powerful method to find unexpected beneficial mutations in NADPH-dependent alcohol dehydrogenases that can be favorable in industrial biotransformations.
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38
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Barik R, Halder J, Nanda S. Biocatalytic dynamic kinetic reductive resolution with ketoreductase from Klebsiella pneumoniae: the asymmetric synthesis of functionalized tetrahydropyrans. Org Biomol Chem 2019; 17:8571-8588. [PMID: 31517368 DOI: 10.1039/c9ob01681c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ketoreductase from growing cells of Klebsiella pneumoniae (NBRC 3319) acts as an efficient reagent for converting racemic α-benzyl/cinnamyl substituted-β-ketoesters to the corresponding β-hydroxy esters with excellent yields and stereoselectivities (ee and de >99 %). The reactions described herein followed a biocatalytic dynamic kinetic reductive resolution (DKRR) pathway, which is reported for the first time with such substrates. It was found that the enzyme system can accept substituted mono-aryl rings with different electronic natures. In addition, it also accepts a substituted naphthyl ring and heteroaryl ring in the α-position of the parent β-ketoester. The synthesized enantiopure β-hydroxy esters were then synthetically manipulated to valuable tetrahydropyran building blocks.
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Affiliation(s)
- Rasmita Barik
- Department of Chemistry, IIT Kharagpur, Kharagpur, 721302, India.
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39
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Liz R, Liardo E, Rebolledo F. Highly efficient asymmetric bioreduction of 1-aryl-2-(azaaryl)ethanones. Chemoenzymatic synthesis of lanicemine. Org Biomol Chem 2019; 17:8214-8220. [PMID: 31451824 DOI: 10.1039/c9ob01616c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Different ketoreductases (KREDs) have been used to promote a highly selective reduction of several 1-aryl-2-(azaaryl)ethanones (azaaryl = pyridinyl, quinolin-2-yl), the corresponding secondary alcohols being obtained with very high yields and enantiomeric excesses (ee > 99%). The absolute configuration of each optically active alcohol has been assigned by means of modified Mosher and Kelly methods, two shielding effects being evaluated: (1) the Mosher phenyl ring effect on the azaaryl protons and (2) the one of the azaaryl ring on the Mosher methoxy group. In addition, the biologically active amine lanicemine has been synthesized from (R)-1-phenyl-2-(pyridin-2-yl)ethanol, thus proving the utility of the secondary alcohols here prepared.
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Affiliation(s)
- Ramón Liz
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Biotecnología de Asturias, Universidad de Oviedo, 33006-Oviedo, Asturias, Spain.
| | - Elisa Liardo
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Biotecnología de Asturias, Universidad de Oviedo, 33006-Oviedo, Asturias, Spain.
| | - Francisca Rebolledo
- Departamento de Química Orgánica e Inorgánica and Instituto Universitario de Biotecnología de Asturias, Universidad de Oviedo, 33006-Oviedo, Asturias, Spain.
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40
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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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41
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Xiao M, Yue X, Xu R, Tang W, Xue D, Li C, Lei M, Xiao J, Wang C. Transition‐Metal‐Free Hydrogen Autotransfer: Diastereoselective N‐Alkylation of Amines with Racemic Alcohols. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905870] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Miao Xiao
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Xin Yue
- State Key Laboratory of Chemical Resource EngineeringInstitute of Computational ChemistryCollege of ChemistryBeijing University of Chemical Technology Beijing 100029 China
| | - Ruirui Xu
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource EngineeringInstitute of Computational ChemistryCollege of ChemistryBeijing University of Chemical Technology Beijing 100029 China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
- Department of ChemistryUniversity of Liverpool Liverpool L69 7ZD UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
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42
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Xiao M, Yue X, Xu R, Tang W, Xue D, Li C, Lei M, Xiao J, Wang C. Transition-Metal-Free Hydrogen Autotransfer: Diastereoselective N-Alkylation of Amines with Racemic Alcohols. Angew Chem Int Ed Engl 2019; 58:10528-10536. [PMID: 31162782 DOI: 10.1002/anie.201905870] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 06/04/2019] [Indexed: 02/06/2023]
Abstract
A practical method for the synthesis of α-chiral amines by alkylation of amines with alcohols in the absence of any transition-metal catalysts has been developed. Under the co-catalysis of a ketone and NaOH, racemic secondary alcohols reacted with Ellman's chiral tert-butanesulfinamide by a hydrogen autotransfer process to afford chiral amines with high diastereoselectivities (up to >99:1). Broad substrate scope and up to a 10 gram scale production of chiral amines were demonstrated. The method was applied to the synthesis of chiral deuterium-labelled amines with high deuterium incorporation and optical purity, including examples of chiral deuterated drugs. The configuration of amine products is found to be determined solely by the configuration of the chiral tert-butanesulfinamide regardless of that of alcohols, and this is corroborated by DFT calculations. Further mechanistic studies showed that the reaction is initiated by the ketone catalyst and involves a transition state similar to that proposed for the Meerwein-Ponndorf-Verley (MPV) reduction, and importantly, it is the interaction of the sodium cation of the base with both the nitrogen and oxygen atoms of the sulfinamide moiety that makes feasible, and determines the diastereoselectivity of, the reaction.
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Affiliation(s)
- Miao Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Xin Yue
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruirui Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China.,Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
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43
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Mayr JC, Grosch JH, Hartmann L, Rosa LFM, Spiess AC, Harnisch F. Resting Escherichia coli as Chassis for Microbial Electrosynthesis: Production of Chiral Alcohols. CHEMSUSCHEM 2019; 12:1631-1634. [PMID: 30762315 DOI: 10.1002/cssc.201900413] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Indexed: 06/09/2023]
Abstract
Chiral alcohols constitute important building blocks that can be produced enantioselectively by using nicotinamide adenine dinucleotide (phosphate) [NAD(P)H]-dependent oxidoreductases. For NAD(P)H regeneration, electricity delivers the cheapest reduction equivalents. Enzymatic electrosynthesis suffers from cofactor and enzyme instability, whereas microbial electrosynthesis (MES) exploits whole cells. Here, we demonstrate MES by using resting Escherichia coli as biocatalytic chassis for a production platform towards fine chemicals through electric power. This chassis was exemplified for the synthesis of chiral alcohols by using a NADPH-dependent alcohol dehydrogenase from Lactobacillus brevis for synthesis of (R)-1-phenylethanol from acetophenone. The E. coli strain and growth conditions affected the performance. Maximum yields of (39.4±5.7) % at a coulombic efficiency of (50.5±6.0) % with enantiomeric excess >99 % was demonstrated at a rate of (83.5±13.9) μm h-1 , confirming the potential of MES for synthesis of high-value compounds.
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Affiliation(s)
- Jeannine C Mayr
- Institute of Biochemical Engineering, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
| | - Jan-Hendrik Grosch
- Institute of Biochemical Engineering, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
- Center of Pharmaceutical Engineering (PVZ), Technische Universität Braunschweig, Franz-Liszt-Straße 35a, 38106, Braunschweig, Germany
| | - Lena Hartmann
- Institute of Biochemical Engineering, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
| | - Luis F M Rosa
- Department of Environmental Microbiology, Helmholtz-Centre for Environmental Research, UFZ Permoserstraße 15, 04318, Leipzig, Germany
| | - Antje C Spiess
- Institute of Biochemical Engineering, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
- Center of Pharmaceutical Engineering (PVZ), Technische Universität Braunschweig, Franz-Liszt-Straße 35a, 38106, Braunschweig, Germany
| | - Falk Harnisch
- Department of Environmental Microbiology, Helmholtz-Centre for Environmental Research, UFZ Permoserstraße 15, 04318, Leipzig, Germany
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44
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Wu S, Zhou Y, Li Z. Biocatalytic selective functionalisation of alkenes via single-step and one-pot multi-step reactions. Chem Commun (Camb) 2019; 55:883-896. [PMID: 30566124 DOI: 10.1039/c8cc07828a] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Alkenes are excellent starting materials for organic synthesis due to the versatile reactivity of C[double bond, length as m-dash]C bonds and the easy availability of many unfunctionalised alkenes. Direct regio- and/or enantioselective conversion of alkenes into functionalised (chiral) compounds has enormous potential for industrial applications, and thus has attracted the attention of researchers for extensive development using chemo-catalysis over the past few years. On the other hand, many enzymes have also been employed for conversion of alkenes in a highly selective and much greener manner to offer valuable products. Herein, we review recent advances in seven well-known types of biocatalytic conversion of alkenes. Remarkably, recent mechanism-guided directed evolution and enzyme cascades have enabled the development of seven novel types of single-step and one-pot multi-step functionalisation of alkenes, some of which are even unattainable via chemo-catalysis. These new reactions are particularly highlighted in this feature article. Overall, we present an ever-expanding enzyme toolbox for various alkene functionalisations inspiring further research in this fast-developing theme.
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Affiliation(s)
- Shuke Wu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585.
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45
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An J, Nie Y, Xu Y. Structural insights into alcohol dehydrogenases catalyzing asymmetric reductions. Crit Rev Biotechnol 2019; 39:366-379. [DOI: 10.1080/07388551.2019.1566205] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jianhong An
- School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi, China
- School of Ophthalmology and Optometry, and Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, China
| | - Yao Nie
- School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi, China
- International Joint Research Laboratory for Brewing Microbiology, Applied Enzymology at Jiangnan University, Wuxi, China
| | - Yan Xu
- School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi, China
- International Joint Research Laboratory for Brewing Microbiology, Applied Enzymology at Jiangnan University, Wuxi, China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
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46
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Oeggl R, Neumann T, Gätgens J, Romano D, Noack S, Rother D. Citrate as Cost-Efficient NADPH Regenerating Agent. Front Bioeng Biotechnol 2018; 6:196. [PMID: 30631764 PMCID: PMC6315136 DOI: 10.3389/fbioe.2018.00196] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 11/28/2018] [Indexed: 11/15/2022] Open
Abstract
The economically efficient utilization of NAD(P)H-dependent enzymes requires the regeneration of consumed reduction equivalents. Classically, this is done by substrate supplementation, and if necessary by addition of one or more enzymes. The simplest method thereof is whole cell NADPH regeneration. In this context we now present an easy-to-apply whole cell cofactor regeneration approach, which can especially be used in screening applications. Simply by applying citrate to a buffer or directly using citrate/-phosphate buffer NADPH can be regenerated by native enzymes of the TCA cycle, practically present in all aerobic living organisms. Apart from viable-culturable cells, this regeneration approach can also be applied with lyophilized cells and even crude cell extracts. This is exemplarily shown for the synthesis of 1-phenylethanol from acetophenone with several oxidoreductases. The mechanism of NADPH regeneration by TCA cycle enzymes was further investigated by a transient isotopic labeling experiment feeding [1,5-13C]citrate. This revealed that the regeneration mechanism can further be optimized by genetic modification of two competing internal citrate metabolism pathways, the glyoxylate shunt, and the glutamate dehydrogenase.
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Affiliation(s)
- Reinhard Oeggl
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology, Jülich, Germany.,Aachen Biology and Biotechnology, RWTH Aachen University, Aachen, Germany
| | - Timo Neumann
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology, Jülich, Germany
| | - Jochem Gätgens
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology, Jülich, Germany
| | - Diego Romano
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Milan, Italy
| | - Stephan Noack
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology, Jülich, Germany
| | - Dörte Rother
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology, Jülich, Germany.,Aachen Biology and Biotechnology, RWTH Aachen University, Aachen, Germany
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47
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Guo J, Zhang R, Ouyang J, Zhang F, Qin F, Liu G, Zhang W, Li H, Ji X, Jia X, Qin B, You S. Stereodivergent Synthesis of Carveol and Dihydrocarveol through Ketoreductases/Ene‐Reductases Catalyzed Asymmetric Reduction. ChemCatChem 2018. [DOI: 10.1002/cctc.201801391] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jiyang Guo
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Rui Zhang
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Jingping Ouyang
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Feiting Zhang
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Fengyu Qin
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Guigao Liu
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Wenhe Zhang
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Hengyu Li
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Xiaohong Ji
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Xian Jia
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Bin Qin
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Song You
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
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48
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Sehajpal P, Kirar S, Ghosh S, Banerjee UC. Generation of novel family of reductases from PCR based library for the synthesis of chiral alcohols and amines. Enzyme Microb Technol 2018; 118:83-91. [PMID: 30143204 DOI: 10.1016/j.enzmictec.2018.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 06/26/2018] [Accepted: 07/27/2018] [Indexed: 11/19/2022]
Abstract
Biocatalysis has shown tremendous potential in the synthesis of drugs and drug intermediates in the last decade. Screening of novel biocatalysts from the natural genome space is the growing trend to replenish the harsh chemical synthetic routes, commonly used in the pharmaceutical and chemical industry. Here, we report a novel ketoreductase (KERD) and a nitrile reductase isolated from the PCR based library generated from the genome of Rhodococcus ruber and Bacillus subtilis, respectively. Both the proteins are hypothetical in nature as there is no putative homology found in the database, although both the enzymes have significant activity towards the synthesis of chiral alcohols and amines. Enzyme activity over a wide range of substrates (aromatic and aliphatic) for both the novel catalysts was observed. From the unique gene sequence to activity over a broad range of substrate and >99% conversion at higher concentrations (100 mM and above) entitles both the hypothetical enzymes as novel. The novel KERD has shown >99% selectivity for the synthesis of (S)-phenylethanol which makes it a potential candidate for industrial catalysis. The novel nitrile reductase has also shown promising activity for the synthesis of (R)-2-phenylethanolamine, which is a difficult moiety to synthesize chemically. In this report, starting from a homology based library, two highly potent whole cell biocatalysts are obtained.
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Affiliation(s)
- Pallvi Sehajpal
- Department of Pharmaceutical Technology (Biotechnology), National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, 160062, Punjab, India
| | - Seema Kirar
- Department of Pharmaceutical Technology (Biotechnology), National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, 160062, Punjab, India
| | - Saptarshi Ghosh
- Department of Pharmaceutical Technology (Biotechnology), National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, 160062, Punjab, India
| | - Uttam Chand Banerjee
- Department of Pharmaceutical Technology (Biotechnology), National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, 160062, Punjab, India.
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49
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Liardo E, Ríos-Lombardía N, Morís F, González-Sabín J, Rebolledo F. A Straightforward Deracemization of sec
-Alcohols Combining Organocatalytic Oxidation and Biocatalytic Reduction. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800569] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Elisa Liardo
- Departamento de Química Orgánica e Inorgánica; Universidad de Oviedo; 33006 Oviedo Spain
| | | | - Francisco Morís
- Vivero Ciencias de la Salud; EntreChem SL; Santo Domingo de Guzmán 33011 Oviedo Spain
| | - Javier González-Sabín
- Vivero Ciencias de la Salud; EntreChem SL; Santo Domingo de Guzmán 33011 Oviedo Spain
| | - Francisca Rebolledo
- Departamento de Química Orgánica e Inorgánica; Universidad de Oviedo; 33006 Oviedo Spain
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50
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Guo X, Okamoto Y, Schreier MR, Ward TR, Wenger OS. Enantioselective synthesis of amines by combining photoredox and enzymatic catalysis in a cyclic reaction network. Chem Sci 2018; 9:5052-5056. [PMID: 29938035 PMCID: PMC5994792 DOI: 10.1039/c8sc01561a] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 05/05/2018] [Indexed: 12/19/2022] Open
Abstract
Visible light-driven reduction of imines to enantioenriched amines in aqueous solution is demonstrated for the first time. Excitation of a new water-soluble variant of the widely used [Ir(ppy)3] (ppy = 2-phenylpyridine) photosensitizer in the presence of a cyclic imine affords a highly reactive α-amino alkyl radical that is intercepted by hydrogen atom transfer (HAT) from ascorbate or thiol donors to afford the corresponding amine. The enzyme monoamine oxidase (MAO-N-9) selectively catalyzes the oxidation of one of the enantiomers to the corresponding imine. Upon combining the photoredox and biocatalytic processes under continuous photo-irradiation, enantioenriched amines are obtained in excellent yields. To the best of our knowledge, this is the first demonstration of a concurrent photoredox- and enzymatic catalysis leading to a light-driven asymmetric synthesis of amines.
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Affiliation(s)
- Xingwei Guo
- Department of Chemistry , University of Basel , St. Johanns-Ring 19 , 4056 Basel , Switzerland .
| | - Yasunori Okamoto
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , 4002 Basel , Switzerland .
| | - Mirjam R Schreier
- Department of Chemistry , University of Basel , St. Johanns-Ring 19 , 4056 Basel , Switzerland .
| | - Thomas R Ward
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , 4002 Basel , Switzerland .
| | - Oliver S Wenger
- Department of Chemistry , University of Basel , St. Johanns-Ring 19 , 4056 Basel , Switzerland .
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