5xvb
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[NiFe]-hydrogenase (Hyb-type) from Citrobacter sp. S-77 in an H2-reduced condition
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Structural highlights
FunctionA0A3B6UEQ0_9ENTR This is one of three E.coli hydrogenases synthesized in response to different physiological conditions. HYD2 is involved in hydrogen uptake.[ARBA:ARBA00059419] Publication Abstract from PubMedCitrobacter sp. S-77 [NiFe]-hydrogenase harbors a standard [4Fe-4S] cluster proximal to the Ni-Fe active site. The presence of relocatable water molecules and a flexible aspartate enables the [4Fe-4S] to display redox-dependent conformational changes. These structural features are proposed to be the key aspects that protect the active site from O2 attack. Redox-dependent conformational changes of a proximal [4Fe-4S] cluster in Hyb-type [NiFe]-hydrogenase to protect the active site from O2.,Noor NDM, Matsuura H, Nishikawa K, Tai H, Hirota S, Kim J, Kang J, Tateno M, Yoon KS, Ogo S, Kubota S, Shomura Y, Higuchi Y Chem Commun (Camb). 2018 Oct 30;54(87):12385-12388. doi: 10.1039/c8cc06261g. PMID:30328414[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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This page was last modified 12:48, 13 August 2026.