1
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Wang HH, Wan NW, Da XY, Mou XQ, Wang ZX, Chen YZ, Liu ZQ, Zheng YG. Enantiocomplementary synthesis of β-adrenergic blocker precursors via biocatalytic nitration of phenyl glycidyl ethers. Bioorg Chem 2023; 138:106640. [PMID: 37320911 DOI: 10.1016/j.bioorg.2023.106640] [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: 03/08/2023] [Revised: 05/18/2023] [Accepted: 05/25/2023] [Indexed: 06/17/2023]
Abstract
Enantiopure β-nitroalcohols, as an important class of nitro-containing compounds, are essential building blocks in pharmaceutical and organic chemistry, particularly for the synthesis of β-adrenergic blockers. In this study, we present the successful protein engineering of halohydrin dehalogenase HHDHamb for the enantioselective bio-nitration of various phenyl glycidyl ethers to the corresponding chiral β-nitroalcohols, using the inexpensive, commercially available, and safer nitrite as a nitrating agent. The chiral (R)- and (S)-1-nitro-3-phenoxypropan-2-ols were synthesized by the several enantiocomplementary HHDHamb variants through the whole-cell biotransformation, which showed good catalytic efficiency (up to 43% isolated yields) and high optical purity (up to >99% ee). In addition, we also demonstrated that the bio-nitration method was able to tolerate the substrate at a high concentration of 1000 mM (150 g/L). Furthermore, representative synthesis of two optically active enantiomers of the β-adrenergic blocker metoprolol was successfully achieved by utilizing the corresponding chiral β-nitroalcohols as precursors.
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Affiliation(s)
- Hui-Hui Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Nan-Wei Wan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Xin-Yu Da
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Xue-Qing Mou
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Zhu-Xiang Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Zhi-Qiang Liu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, 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
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2
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Choudhary K, Biswas RG, Manna A, Singh VK. Kinetic Resolution of Electron-Deficient Bromohydrins via Copper(II)-Catalyzed C-C Bond Cleavage. J Org Chem 2023; 88:12041-12053. [PMID: 37533192 DOI: 10.1021/acs.joc.3c01368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
Herein, we report a nonenzymatic kinetic resolution (KR) of α,β-unsaturated ketone-derived bromohydrins (up to s = 211) with N-bromosuccinimide (NBS) in the presence of a chiral Cu(II)-Box catalyst via the C-C bond cleavage of the fast reacting enantiomer. A one-pot synthesis-KR approach of the same has also been realized with excellent enantioselectivities (up to 99% ee). Both protocols are found to be effective for a variety of substrates, leading to enantioenriched bromohydrins. The synthetic utility of this process has been demonstrated by exploring a new strategy to convert the resolved enantiomer to an optically active epoxide.
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Affiliation(s)
- Kavita Choudhary
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Rayhan G Biswas
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh 462066, India
| | - Abhijit Manna
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Vinod K Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
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3
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Dokli I, Brkljača Z, Švaco P, Tang L, Stepanić V, Majerić Elenkov M. Biocatalytic approach to chiral fluoroaromatic scaffolds. Org Biomol Chem 2022; 20:9734-9741. [PMID: 36440739 DOI: 10.1039/d2ob01955h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Ten different fluorinated aromatic epoxides have been tested as potential substrates for halohydrin dehalogenase (HHDH) HheC. The majority of investigated epoxides are useful building blocks in synthetic chemistry applications, with a number of them being polysubstituted. Moderate to high enantioselectivities (ER = 15 → 200) were observed in azidolysis, allowing the synthesis of enantioenriched (R)-azido alcohols containing fluorine in the molecule. In the case where a reaction runs over 50% conversion, enantiopure (S)-epoxides are also available. While o-F-styrene oxide was easily converted into a product, a sterically challenging o-CF3-derivative was not accepted by HheC. In silico probing of the binding site indicates that, in order to accommodate an o-CF3-derivative in the HheC active site, it is necessary to eliminate steric hindrance. Hence, we extended our research by probing several available HheC variants containing relevant modifications in the active site. The active mutant P84V/F86P/T134A/N176A (named HheC-M4) was identified, showing not only high activity towards o-CF3-styrene oxide, but also inverted enantioselectivity (ES = 27). Since (S)-enantioselective HHDHs are rare and therefore valuable for their synthetic application, this enzyme was screened on the initial panel of substrates. The observed (S)-enantioselectivity (ES = 1-111) is ascribed to the formation of the additional space by introduced mutations in HheC-M4, which is also confirmed by classical MD simulations. Successive molecular docking demonstrated that this newly formed tunnel located close to the protein surface is a critical feature of HheC-M4, representing a novel binding site.
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Affiliation(s)
- Irena Dokli
- Ruđer Bošković Institute, Bijenička c. 54, Zagreb 10000, Croatia.
| | - Zlatko Brkljača
- Selvita Ltd, Prilaz baruna Filipovića 29, 10000 Zagreb, Croatia
| | - Petra Švaco
- Ruđer Bošković Institute, Bijenička c. 54, Zagreb 10000, Croatia.
| | - Lixia Tang
- University of Electronic Science and Technology, No. 4, Section 2, North Jianshe Road, Chengdu, China
| | - Višnja Stepanić
- Ruđer Bošković Institute, Bijenička c. 54, Zagreb 10000, Croatia.
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4
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Wang H, Wan N, Miao R, He C, Chen Y, Liu Z, Zheng Y. Identification and Structure Analysis of an Unusual Halohydrin Dehalogenase for Highly Chemo‐, Regio‐ and Enantioselective Bio‐Nitration of Epoxides. Angew Chem Int Ed Engl 2022; 61:e202205790. [DOI: 10.1002/anie.202205790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Hui‐Hui Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province College of Biotechnology and Bioengineering Zhejiang University of Technology Hangzhou 310014 China
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province Generic Drug Research Center of Guizhou Province Green Pharmaceuticals Engineering Research Center of Guizhou Province School of Pharmacy Zunyi Medical University Zunyi China
| | - Nan‐Wei Wan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province Generic Drug Research Center of Guizhou Province Green Pharmaceuticals Engineering Research Center of Guizhou Province School of Pharmacy Zunyi Medical University Zunyi China
| | - Run‐Ping Miao
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province Generic Drug Research Center of Guizhou Province Green Pharmaceuticals Engineering Research Center of Guizhou Province School of Pharmacy Zunyi Medical University Zunyi China
| | - Cheng‐Li He
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province Generic Drug Research Center of Guizhou Province Green Pharmaceuticals Engineering Research Center of Guizhou Province School of Pharmacy Zunyi Medical University Zunyi China
| | - Yong‐Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province Generic Drug Research Center of Guizhou Province Green Pharmaceuticals Engineering Research Center of Guizhou Province School of Pharmacy Zunyi Medical University Zunyi China
| | - Zhi‐Qiang Liu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province College of Biotechnology and Bioengineering 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
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5
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Wang HH, Wan NW, Miao RP, He CL, Chen YZ, Liu ZQ, Zheng YG. Identification and Structure Analysis of an Unusual Halohydrin Dehalogenase for Highly Chemo‐, Regio‐ and Enantioselective Bio‐Nitration of Epoxides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hui-Hui Wang
- Zunyi Medical University School of Pharmacy CHINA
| | - Nan-Wei Wan
- Zunyi Medical University School of Pharmacy CHINA
| | | | - Cheng-Li He
- Zunyi Medical University School of Pharmacy CHINA
| | | | - Zhi-Qiang Liu
- Zhejiang University of Technology College of Biotechnology and Bioengineering Chaowang Rd. 18# 3100114 Hangzhou CHINA
| | - Yu-Guo Zheng
- Zhejiang University of Technology College of Biotechnology and Bioengineering CHINA
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6
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Mehić E, Hok L, Wang Q, Dokli I, Svetec Miklenić M, Findrik Blažević Z, Tang L, Vianello R, Majerić Elenkov M. Expanding the Scope of Enantioselective Halohydrin Dehalogenases – Group B. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Qian Wang
- University of Electronic Science and Technology of China CHINA
| | | | | | | | - Lixia Tang
- University of Electronic Science and Technology of China CHINA
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7
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Zhang FR, Wan NW, Ma JM, Cui BD, Han WY, Chen YZ. Enzymatic Kinetic Resolution of Bulky Spiro-Epoxyoxindoles via Halohydrin Dehalogenase-Catalyzed Enantio- and Regioselective Azidolysis. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02345] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Fang-Rui Zhang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Nan-Wei Wan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Jin-Mei Ma
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Bao-Dong Cui
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
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8
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Xue F, Li C, Xu Q. Biocatalytic approaches for the synthesis of optically pure vic-halohydrins. Appl Microbiol Biotechnol 2021; 105:3411-3421. [PMID: 33851239 DOI: 10.1007/s00253-021-11266-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/28/2021] [Accepted: 04/04/2021] [Indexed: 11/30/2022]
Abstract
Enantiopure vicinal halohydrins (vic-halohydrins) are highly valuable building blocks for the synthesis of many different natural products and pharmaceuticals, and biocatalytic methods for their synthesis have received considerable interest. This review emphasizes the application of biocatalytic approaches as an efficient alternative or complement to conventional chemical reactions, with a special focus on the asymmetric reductions catalyzed by ketoreductases, kinetic resolution catalyzed using lipases or esterases, stereoselective biotransformation catalyzed by halohydrin dehalogenases, asymmetric hydroxylation catalyzed by cytochrome P450 monooxygenases, asymmetric dehalogenation catalyzed by haloalkane dehalogenases, and aldehyde condensation catalyzed by aldolases. Although many chiral vic-halohydrins have been successfully synthesized using wild-type biocatalysts, their enantioselectivity is often too low for enantiopure synthesis. To overcome these limitations, catalytic properties of wild-type enzymes have been improved by rational and semi-rational protein design or directed evolution. This review briefly introduces the research status in this field, highlighting aspects of basic academic research in the biocatalytic synthesis of optically active vic-halohydrins by employing such unconventional approaches. KEY POINTS: • Outlines the enzymatic strategies for the production of enantiopure vic-halohydrins • Highlights recent advances in biocatalytic production of enantiopure vic-halohydrins • Provide guidance for efficient preparation of enantiopure vic-halohydrins.
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Affiliation(s)
- Feng Xue
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, NO 1, Wenyuan Road, Nanjing, 210023, People's Republic of China
| | - Changfan Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, NO 1, Wenyuan Road, Nanjing, 210023, People's Republic of China
| | - Qing Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, NO 1, Wenyuan Road, Nanjing, 210023, People's Republic of China.
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9
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Findrik Blažević Z, Milčić N, Sudar M, Majerić Elenkov M. Halohydrin Dehalogenases and Their Potential in Industrial Application – A Viewpoint of Enzyme Reaction Engineering. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000984] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zvjezdana Findrik Blažević
- University of Zagreb Faculty of Chemical Engineering and Technology Savska c. 16 HR-10000 Zagreb Croatia
| | - Nevena Milčić
- University of Zagreb Faculty of Chemical Engineering and Technology Savska c. 16 HR-10000 Zagreb Croatia
| | - Martina Sudar
- University of Zagreb Faculty of Chemical Engineering and Technology Savska c. 16 HR-10000 Zagreb Croatia
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10
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Calderini E, Wessel J, Süss P, Schrepfer P, Wardenga R, Schallmey A. Selective Ring‐Opening of Di‐Substituted Epoxides Catalysed by Halohydrin Dehalogenases. ChemCatChem 2019. [DOI: 10.1002/cctc.201900103] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Elia Calderini
- Institute for Biochemistry, Biotechnology and BioinformaticsTechnische Universität Braunschweig Spielmannstr. 7 38106 Braunschweig Germany
| | - Julia Wessel
- Institute for Biochemistry, Biotechnology and BioinformaticsTechnische Universität Braunschweig Spielmannstr. 7 38106 Braunschweig Germany
| | - Philipp Süss
- Enzymicals AG Walther-Rathenau-Straße 49A 17489 Greifswald Germany
| | - Patrick Schrepfer
- Institute for Biochemistry, Biotechnology and BioinformaticsTechnische Universität Braunschweig Spielmannstr. 7 38106 Braunschweig Germany
| | - Rainer Wardenga
- Enzymicals AG Walther-Rathenau-Straße 49A 17489 Greifswald Germany
| | - Anett Schallmey
- Institute for Biochemistry, Biotechnology and BioinformaticsTechnische Universität Braunschweig Spielmannstr. 7 38106 Braunschweig Germany
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11
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Wan N, Tian J, Wang H, Tian M, He Q, Ma R, Cui B, Han W, Chen Y. Identification and characterization of a highly S-enantioselective halohydrin dehalogenase from Tsukamurella sp. 1534 for kinetic resolution of halohydrins. Bioorg Chem 2018; 81:529-535. [PMID: 30245234 DOI: 10.1016/j.bioorg.2018.09.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/28/2018] [Accepted: 09/07/2018] [Indexed: 02/05/2023]
Abstract
Halohydrin dehalogenases are remarkable enzymes which possess promiscuous catalytic activity and serve as potential biocatalysts for the synthesis of chiral halohydrins, epoxides and β-substituted alcohols. The enzyme HheC exhibits a highly R enantioselectivity in the processes of dehalogenation of vicinal halohydrins and ring-opening of epoxides, which attracts more attentions in organic synthesis. Recently dozens of novel potential halohydrin dehalogenases have been identified by gene mining, however, most of the characterized enzymes showed low stereoselectivity. In this study, a novel halohydrin dehalogenase of HheA10 from Tsukamurella sp. 1534 has been heterologously expressed, purified and characterized. Substrate spectrum and kinetic resolution studies indicated the HheA10 was a highly S enantioselective enzyme toward several halohydrins, which produced the corresponding epoxides with the ee (enantiomeric excess) and E values up to >99% and >200 respectively. Our results revealed the HheA10 was a promising biocatalyst for the synthesis of enantiopure aromatic halohydrins and epoxides via enzymatic kinetic resolution of racemic halohydrins. What's more important, the HheA10 as the first individual halohydrin dehalogenase with the highly S enantioselectivity provides a complementary enantioselectivity to the HheC.
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Affiliation(s)
- Nanwei Wan
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.
| | - Jiawei Tian
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Huihui Wang
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Meiting Tian
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Qing He
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Ran Ma
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Baodong Cui
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Wenyong Han
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Yongzheng Chen
- Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China.
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12
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Dong JJ, Fernández-Fueyo E, Li J, Guo Z, Renirie R, Wever R, Hollmann F. Halofunctionalization of alkenes by vanadium chloroperoxidase from Curvularia inaequalis. Chem Commun (Camb) 2018; 53:6207-6210. [PMID: 28548142 DOI: 10.1039/c7cc03368k] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The vanadium-dependent chloroperoxidase from Curvularia inaequalis is a stable and efficient biocatalyst for the hydroxyhalogenation of a broad range of alkenes into halohydrins. Up to 1 200 000 TON with 69 s-1 TOF were observed for the biocatalyst. A bienzymatic cascade to yield epoxides as reaction products is presented.
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Affiliation(s)
- Jia Jia Dong
- Department of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands.
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13
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Koopmeiners J, Diederich C, Solarczek J, Voß H, Mayer J, Blankenfeldt W, Schallmey A. HheG, a Halohydrin Dehalogenase with Activity on Cyclic Epoxides. ACS Catal 2017. [DOI: 10.1021/acscatal.7b01854] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Julia Koopmeiners
- Institute
for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Christina Diederich
- Structure
and
Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Jennifer Solarczek
- Institute
for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Hauke Voß
- Institute
for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Janine Mayer
- Institute
for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Wulf Blankenfeldt
- Institute
for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
- Structure
and
Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Anett Schallmey
- Institute
for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
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14
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Koopmeiners J, Halmschlag B, Schallmey M, Schallmey A. Biochemical and biocatalytic characterization of 17 novel halohydrin dehalogenases. Appl Microbiol Biotechnol 2016; 100:7517-27. [DOI: 10.1007/s00253-016-7493-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/19/2016] [Accepted: 03/22/2016] [Indexed: 01/30/2023]
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15
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An enzymatic method for determination of azide and cyanide in aqueous phase. J Biotechnol 2015; 214:27-32. [DOI: 10.1016/j.jbiotec.2015.09.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 08/29/2015] [Accepted: 09/03/2015] [Indexed: 11/21/2022]
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16
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Wan NW, Liu ZQ, Xue F, Shen ZY, Zheng YG. A One-Step Biocatalytic Process for (S)-4-Chloro-3-hydroxybutyronitrile using Halohydrin Dehalogenase: A Chiral Building Block for Atorvastatin. ChemCatChem 2015. [DOI: 10.1002/cctc.201500453] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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17
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Xue F, Liu ZQ, Wang YJ, Wan NW, Zheng YG. Biochemical characterization and biosynthetic application of a halohydrin dehalogenase from Tistrella mobilis ZJB1405. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.02.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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18
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Schallmey M, Jekel P, Tang L, Majerić Elenkov M, Höffken HW, Hauer B, Janssen DB. A single point mutation enhances hydroxynitrile synthesis by halohydrin dehalogenase. Enzyme Microb Technol 2015; 70:50-7. [DOI: 10.1016/j.enzmictec.2014.12.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 12/14/2014] [Accepted: 12/16/2014] [Indexed: 12/19/2022]
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19
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Exploring the enantioselective mechanism of halohydrin dehalogenase from Agrobacterium radiobacter AD1 by iterative saturation mutagenesis. Appl Environ Microbiol 2015; 81:2919-26. [PMID: 25681194 DOI: 10.1128/aem.04153-14] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Halohydrin dehalogenase from Agrobacterium radiobacter AD1 (HheC) shows great potential in producing valuable chiral epoxides and β-substituted alcohols. The wild-type (WT) enzyme displays a high R-enantiopreference toward most aromatic substrates, whereas no S-selective HheC has been reported to date. To obtain more enantioselective enzymes, seven noncatalytic active-site residues were subjected to iterative saturation mutagenesis (ISM). After two rounds of screening aspects of both activity and enantioselectivity (E), three outstanding mutants (Thr134Val/Leu142Met, Leu142Phe/Asn176His, and Pro84Val/Phe86Pro/Thr134Ala/Asn176Ala mutants) with divergent enantioselectivity were obtained. The two double mutants displayed approximately 2-fold improvement in R-enantioselectivity toward 2-chloro-1-phenylethanol (2-CPE) without a significant loss of enzyme activity compared with the WT enzyme. Strikingly, the Pro84Val/Phe86Pro/Thr134Ala/Asn176Ala mutant showed an inverted enantioselectivity (from an ER of 65 [WT] to an ES of 101) and approximately 100-fold-enhanced catalytic efficiency toward (S)-2-CPE. Molecular dynamic simulation and docking analysis revealed that the phenyl side chain of (S)-2-CPE bound at a different location than that of its R-counterpart; those mutations generated extra connections for the binding of the favored enantiomer, while the eliminated connections reduced binding of the nonfavored enantiomer, all of which could contribute to the observed inverted enantiopreference.
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20
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Expanding the Halohydrin Dehalogenase Enzyme Family: Identification of Novel Enzymes by Database Mining. Appl Environ Microbiol 2014; 80:7303-15. [PMID: 25239895 DOI: 10.1128/aem.01985-14] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 09/13/2014] [Indexed: 01/22/2023] Open
Abstract
Halohydrin dehalogenases are very rare enzymes that are naturally involved in the mineralization of halogenated xenobiotics. Due to their catalytic potential and promiscuity, many biocatalytic reactions have been described that have led to several interesting and industrially important applications. Nevertheless, only a few of these enzymes have been made available through recombinant techniques; hence, it is of general interest to expand the repertoire of these enzymes so as to enable novel biocatalytic applications. After the identification of specific sequence motifs, 37 novel enzyme sequences were readily identified in public sequence databases. All enzymes that could be heterologously expressed also catalyzed typical halohydrin dehalogenase reactions. Phylogenetic inference for enzymes of the halohydrin dehalogenase enzyme family confirmed that all enzymes form a distinct monophyletic clade within the short-chain dehydrogenase/reductase superfamily. In addition, the majority of novel enzymes are substantially different from previously known phylogenetic subtypes. Consequently, four additional phylogenetic subtypes were defined, greatly expanding the halohydrin dehalogenase enzyme family. We show that the enormous wealth of environmental and genome sequences present in public databases can be tapped for in silico identification of very rare but biotechnologically important biocatalysts. Our findings help to readily identify halohydrin dehalogenases in ever-growing sequence databases and, as a consequence, make even more members of this interesting enzyme family available to the scientific and industrial community.
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21
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Solarte C, Balcells M, Torres M, Sala N, Canela-Garayoa R. Preparation of chiral glycerol derivatives using chemoenzymatic approaches. RSC Adv 2014. [DOI: 10.1039/c4ra04515g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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22
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Chen SY, He XJ, Wu JP, Xu G, Yang LR. Identification of halohydrin dehalogenase mutants that resist COBE inhibition. BIOTECHNOL BIOPROC E 2014. [DOI: 10.1007/s12257-013-0457-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Wan NW, Liu ZQ, Huang K, Shen ZY, Xue F, Zheng YG, Shen YC. Synthesis of ethyl (R)-4-cyano-3-hydroxybutyrate in high concentration using a novel halohydrin dehalogenase HHDH-PL from Parvibaculum lavamentivorans DS-1. RSC Adv 2014. [DOI: 10.1039/c4ra13646b] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We identified and characterized a novel halohydrin dehalogenase HHDH-PL from Parvibaculum lavamentivorans DS-1.
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Affiliation(s)
- Nan-Wei Wan
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
| | - Zhi-Qiang Liu
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
| | - Kai Huang
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
| | - Zhen-Yang Shen
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
| | - Feng Xue
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
| | - Yu-Guo Zheng
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
| | - Yin-Chu Shen
- Institute of Bioengineering
- Zhejiang University of Technology
- Hangzhou, People's Republic of China
- Engineering Research Center of Bioconversion and Biopurification of the Ministry of Education
- Hangzhou, China
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24
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Schallmey M, Floor RJ, Hauer B, Breuer M, Jekel PA, Wijma HJ, Dijkstra BW, Janssen DB. Biocatalytic and structural properties of a highly engineered halohydrin dehalogenase. Chembiochem 2013; 14:870-81. [PMID: 23585096 DOI: 10.1002/cbic.201300005] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Indexed: 01/30/2023]
Abstract
Two highly engineered halohydrin dehalogenase variants were characterized in terms of their performance in dehalogenation and epoxide cyanolysis reactions. Both enzyme variants outperformed the wild-type enzyme in the cyanolysis of ethyl (S)-3,4-epoxybutyrate, a conversion yielding ethyl (R)-4-cyano-3-hydroxybutyrate, an important chiral building block for statin synthesis. One of the enzyme variants, HheC2360, displayed catalytic rates for this cyanolysis reaction enhanced up to tenfold. Furthermore, the enantioselectivity of this variant was the opposite of that of the wild-type enzyme, both for dehalogenation and for cyanolysis reactions. The 37-fold mutant HheC2360 showed an increase in thermal stability of 8 °C relative to the wild-type enzyme. Crystal structures of this enzyme were elucidated with chloride and ethyl (S)-3,4-epoxybutyrate or with ethyl (R)-4-cyano-3-hydroxybutyrate bound in the active site. The observed increase in temperature stability was explained in terms of a substantial increase in buried surface area relative to the wild-type HheC, together with enhanced interfacial interactions between the subunits that form the tetramer. The structures also revealed that the substrate binding pocket was modified both by substitutions and by backbone movements in loops surrounding the active site. The observed changes in the mutant structures are partly governed by coupled mutations, some of which are necessary to remove steric clashes or to allow backbone movements to occur. The importance of interactions between substitutions suggests that efficient directed evolution strategies should allow for compensating and synergistic mutations during library design.
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Affiliation(s)
- Marcus Schallmey
- Department of Biochemistry, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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25
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Steward KM, Corbett MT, Goodman CG, Johnson JS. Asymmetric synthesis of diverse glycolic acid scaffolds via dynamic kinetic resolution of α-keto esters. J Am Chem Soc 2012; 134:20197-206. [PMID: 23186551 PMCID: PMC3533366 DOI: 10.1021/ja3102709] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The dynamic kinetic resolution of α-keto esters via asymmetric transfer hydrogenation has been developed as a technique for the highly stereoselective construction of structurally diverse β-substituted-α-hydroxy carboxylic acid derivatives. Through the development of a privileged m-terphenylsulfonamide for (arene)RuCl(monosulfonamide) complexes with a high affinity for selective α-keto ester reduction, excellent levels of chemo-, diastereo-, and enantiocontrol can be realized in the reduction of β-aryl- and β-chloro-α-keto esters.
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Affiliation(s)
| | | | - C. Guy Goodman
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, United States
| | - Jeffrey S. Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, United States
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26
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Thibodeaux CJ, Chang WC, Liu HW. Enzymatic chemistry of cyclopropane, epoxide, and aziridine biosynthesis. Chem Rev 2012; 112:1681-709. [PMID: 22017381 PMCID: PMC3288687 DOI: 10.1021/cr200073d] [Citation(s) in RCA: 204] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Wei-chen Chang
- College of Pharmacy and Department of Chemistry and Biochemistry, University of Texas at Austin, Austin, Texas 78712
| | - Hung-wen Liu
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, Texas 78712
- College of Pharmacy and Department of Chemistry and Biochemistry, University of Texas at Austin, Austin, Texas 78712
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27
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Key residues for controlling enantioselectivity of Halohydrin dehalogenase from Arthrobacter sp. strain AD2, revealed by structure-guided directed evolution. Appl Environ Microbiol 2012; 78:2631-7. [PMID: 22327597 DOI: 10.1128/aem.06586-11] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Halohydrin dehalogenase from Agrobacterium radiobacter AD1 (HheC) is a valuable tool in the preparation of R enantiomers of epoxides and β-substituted alcohols. In contrast, the halohydrin dehalogenase from Arthrobacter sp. AD2 (HheA) shows a low S enantioselectivity toward most aromatic substrates. Here, three amino acids (V136, L141, and N178) located in the two neighboring active-site loops of HheA were proposed to be the key residues for controlling enantioselectivity. They were subjected to saturation mutagenesis aimed at evolving an S-selective enzyme. This led to the selection of two outstanding mutants (the V136Y/L141G and N178A mutants). The double mutant displayed an inverted enantioselectivity (from S enantioselectivity [E(S)] = 1.7 to R enantioselectivity [E(R)] = 13) toward 2-chloro-1-phenylethanol without compromising enzyme activity. Strikingly, the N178A mutant showed a large enantioselectivity improvement (E(S) > 200) and a 5- to 6-fold-enhanced specific activity toward (S)-2-chloro-1-phenylethanol. Further analysis revealed that those mutations produced some interference for the binding of nonfavored enantiomers which could account for the observed enantioselectivities. Our work demonstrated that those three active-site residues are indeed crucial in modulating the enantioselectivity of HheA and that a semirational design strategy has great potential for rapid creation of novel industrial biocatalysts.
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28
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SENTHILNATHAN DHURAIRAJAN, TAMILMANI VENKATACHALAM, VENUVANALINGAM PONNAMBALAM. Biocatalysis of azidolysis of epoxides: Computational evidences on the role of halohydrin dehalogenase (HheC). J CHEM SCI 2011. [DOI: 10.1007/s12039-011-0082-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Molinaro C, Guilbault AA, Kosjek B. Resolution of 2,2-disubstituted epoxides via biocatalytic azidolysis. Org Lett 2010; 12:3772-5. [PMID: 20681610 DOI: 10.1021/ol101406k] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A practical procedure for the enzymatic resolution of 2-alkyl-2-aryl-disubstituted epoxides using the Codex HHDH P2E2 enzyme and sodium azide is reported. This method allowed the synthesis of novel regio- and enantioselective 1-azido-2-arylpropan-2-ols in excellent yields. Furthermore, these intermediates were used for the preparation of enantiomerically enriched amino alcohols and aziridines containing a tertiary center.
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Affiliation(s)
- Carmela Molinaro
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Autoroute Transcanadienne, Kirkland, Quebec, Canada H9H 3L1.
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30
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Jerphagnon T, Gayet AJA, Berthiol F, Ritleng V, Mrsić N, Meetsma A, Pfeffer M, Minnaard AJ, Feringa BL, de Vries JG. Fast racemisation of chiral amines and alcohols by using cationic half-sandwich ruthena- and iridacycle catalysts. Chemistry 2010; 15:12780-90. [PMID: 19834949 DOI: 10.1002/chem.200902103] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The lipase-catalysed resolution of alcohols and amines yields only 50 % of the desired enantiopure product. However, addition of a racemisation catalyst leads to 100 % yield in what is called a dynamic kinetic resolution (DKR). There is a need for new racemisation catalysts that are fast and compatible with the conditions of the enzymatic reaction. We show that cationic half-sandwich ruthena- and iridacycle complexes are highly active and efficient in the racemisation of chiral alcohols and amines. Upon activation with base, these complexes are able to selectively racemise alcohols, whereas the non-activated complexes are selective catalysts for the racemisation of amines. We have applied the iridacycles in the DKR of racemic beta-chloroalcohols to produce chiral epoxides in a biphasic system in good yields and high ee (ee=enantiomeric excess).
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Affiliation(s)
- Thomas Jerphagnon
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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31
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Preparation of (S)-1-Halo-2-octanols Using Ionic Liquids and Biocatalysts. Molecules 2009; 14:4275-83. [PMID: 19924063 PMCID: PMC6254966 DOI: 10.3390/molecules14104275] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2009] [Revised: 09/26/2009] [Accepted: 10/16/2009] [Indexed: 11/30/2022] Open
Abstract
Preparation of (S)-1-chloro-2-octanol and (S)-1-bromo-2-octanol was carried out by the enzymatic hydrolysis of halohydrin palmitates using biocatalysts. Halohydrin palmitates were prepared by various methods from palmitic acid and 1,2-octanediol. A tandem hydrolysis was carried out using lipases from Candida antarctica (Novozym® 435), Rhizomucor miehei (Lipozyme IM), and “resting cells” from a Rhizopus oryzae strain that was not mycotoxigenic. The influence of the enzyme and the reaction medium on the selective hydrolysis of isomeric mixtures of halohydrin esters is described. Novozym® 435 allowed preparation of (S)-1-chloro-2-octanol and (S)-1-bromo-2-octanol after 1–3 h of reaction at 40 °C in [BMIM][PF6].
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32
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Haak RM, Berthiol F, Jerphagnon T, Gayet AJA, Tarabiono C, Postema CP, Ritleng V, Pfeffer M, Janssen DB, Minnaard AJ, Feringa BL, de Vries JG. Dynamic kinetic resolution of racemic beta-haloalcohols: direct access to enantioenriched epoxides. J Am Chem Soc 2008; 130:13508-9. [PMID: 18800793 DOI: 10.1021/ja805128x] [Citation(s) in RCA: 129] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The direct chemo-enzymatic DKR of racemic beta-haloalcohols is reported, yielding the corresponding optically active epoxides in a single step. The mutant haloalcohol dehalogenase HheC Cys153Ser Trp249Phe is used for the asymmetric ring closure, whereas racemization of the remaining enantiomer of the haloalcohol is achieved using the new iridacycle 3, one of the most effective racemization catalysts to date for beta-haloalcohols.
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Affiliation(s)
- Robert M Haak
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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33
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Hasnaoui-Dijoux G, Majerić Elenkov M, Lutje Spelberg JH, Hauer B, Janssen DB. Catalytic Promiscuity of Halohydrin Dehalogenase and its Application in Enantioselective Epoxide Ring Opening. Chembiochem 2008; 9:1048-51. [DOI: 10.1002/cbic.200700734] [Citation(s) in RCA: 119] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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34
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Hopmann KH, Himo F. Cyanolysis and Azidolysis of Epoxides by Haloalcohol Dehalogenase: Theoretical Study of the Reaction Mechanism and Origins of Regioselectivity. Biochemistry 2008; 47:4973-82. [DOI: 10.1021/bi800001r] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kathrin H. Hopmann
- Department of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, AlbaNova University Center, SE-106 91 Stockholm, Sweden
| | - Fahmi Himo
- Department of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, AlbaNova University Center, SE-106 91 Stockholm, Sweden
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