Copper ions’ influence on thiocyonate dehydrogenase packing and conformation in a crystal
- 作者: Varfolomeeva L.А.1, Solovieva A.Y.1, Shipkov N.S.1, Dergousova N.I.1, Minyaev М.E.2, Boyko K.M.1, Tikhonova T.V.1, Popov V.O.1
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隶属关系:
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
- N.D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences
- 期: 卷 70, 编号 1 (2025)
- 页面: 10-17
- 栏目: STRUCTURE OF MACROMOLECULAR COMPOUNDS
- URL: https://journals.rcsi.science/0023-4761/article/view/286223
- DOI: https://doi.org/10.31857/S0023476125010027
- EDN: https://elibrary.ru/IUBQXT
- ID: 286223
如何引用文章
详细
The copper-containing enzyme thiocyanate dehydrogenase (TcDH) catalyzes oxidation of thiocyanate to cyanate and elemental sulfur. To date, the spatial structures of two bacterial TcDHs (tpTcDH and pmTcDH) are known. Both enzymes are dimers and contain a trinuclear copper center in the active site. The important difference between these enzymes is that in a crystal, the subunits of the tpTcDH dimer are in identical conformations, while the subunits of the pmTcDH dimer are in different conformations: closed and open. To clarify the role of copper ions in changing the TcDH conformation, the structure of the apo-form of pmTcDH was established, in which both subunits of the dimer had the closed conformation. Soaking of apo-form crystals with copper led to the restoring of the trinuclear center and the conformational rearrangements of the subunits.
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作者简介
L. Varfolomeeva
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
编辑信件的主要联系方式.
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
A. Solovieva
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
N. Shipkov
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
N. Dergousova
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
М. Minyaev
N.D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
K. Boyko
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
T. Tikhonova
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
V. Popov
Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences
Email: l.varfolomeeva@fbras.ru
俄罗斯联邦, Moscow
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