Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii

In this study, we investigated the stereospecificity of hydride transfer from NADH to flavin mononucleotide (FMN) in reactions catalyzed by the FMN‐dependent NADH‐indigo reductase expressed by thermophilic Bacillus smithii. We performed 1H‐NMR spectroscopy using deuterium‐labeled NADH (4R‐2H‐NADH) a...

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Main Authors: Kazunari Yoneda, Haruhiko Sakuraba, Tomohiro Araki, Toshihisa Ohshima
Format: Article
Language:English
Published: Wiley 2021-07-01
Series:FEBS Open Bio
Subjects:
Online Access:https://doi.org/10.1002/2211-5463.13200
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author Kazunari Yoneda
Haruhiko Sakuraba
Tomohiro Araki
Toshihisa Ohshima
author_facet Kazunari Yoneda
Haruhiko Sakuraba
Tomohiro Araki
Toshihisa Ohshima
author_sort Kazunari Yoneda
collection DOAJ
description In this study, we investigated the stereospecificity of hydride transfer from NADH to flavin mononucleotide (FMN) in reactions catalyzed by the FMN‐dependent NADH‐indigo reductase expressed by thermophilic Bacillus smithii. We performed 1H‐NMR spectroscopy using deuterium‐labeled NADH (4R‐2H‐NADH) and molecular docking simulations to reveal that the pro‐S hydrogen at the C4 position of the nicotinamide moiety in NADH was specifically transferred to the flavin‐N5 atom of FNM. Altogether, our findings may aid in the improvement of the indigo dyeing (Aizome) process.
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spelling doaj.art-8c91848ee7564377a408ecbb06a1fcb12022-12-21T21:30:31ZengWileyFEBS Open Bio2211-54632021-07-011171981198610.1002/2211-5463.13200Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithiiKazunari Yoneda0Haruhiko Sakuraba1Tomohiro Araki2Toshihisa Ohshima3Department of Bioscience School of Agriculture Tokai University Kumamoto JapanDepartment of Applied Biological Science Faculty of Agriculture Kagawa University Kita‐gun JapanDepartment of Bioscience School of Agriculture Tokai University Kumamoto JapanDepartment of Biomedical Engineering Faculty of Engineering Osaka Institute of Technology JapanIn this study, we investigated the stereospecificity of hydride transfer from NADH to flavin mononucleotide (FMN) in reactions catalyzed by the FMN‐dependent NADH‐indigo reductase expressed by thermophilic Bacillus smithii. We performed 1H‐NMR spectroscopy using deuterium‐labeled NADH (4R‐2H‐NADH) and molecular docking simulations to reveal that the pro‐S hydrogen at the C4 position of the nicotinamide moiety in NADH was specifically transferred to the flavin‐N5 atom of FNM. Altogether, our findings may aid in the improvement of the indigo dyeing (Aizome) process.https://doi.org/10.1002/2211-5463.13200H‐NMRcofactor stereospecificityFMN‐dependent NADH‐indigo reductasemolecular docking simulation
spellingShingle Kazunari Yoneda
Haruhiko Sakuraba
Tomohiro Araki
Toshihisa Ohshima
Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii
FEBS Open Bio
H‐NMR
cofactor stereospecificity
FMN‐dependent NADH‐indigo reductase
molecular docking simulation
title Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii
title_full Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii
title_fullStr Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii
title_full_unstemmed Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii
title_short Stereospecificity of hydride transfer and molecular docking in FMN‐dependent NADH‐indigo reductase of Bacillus smithii
title_sort stereospecificity of hydride transfer and molecular docking in fmn dependent nadh indigo reductase of bacillus smithii
topic H‐NMR
cofactor stereospecificity
FMN‐dependent NADH‐indigo reductase
molecular docking simulation
url https://doi.org/10.1002/2211-5463.13200
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