Observation of the Fe-CN and Fe-CO vibrations in the active site of [NiFe] hydrogenase by nuclear resonance vibrational spectroscopy.

Saeed Kamali,Hongxin Wang,Devrani Mitra,Hideaki Ogata,Wolfgang Lubitz,Brian C Manor,Thomas B Rauchfuss,Deborah Byrne,Violaine Bonnefoy,Francis E Jenney,Michael W W Adams,Yoshitaka Yoda,Ercan Alp,Jiyong Zhao,Stephen P Cramer

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION（2013）

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摘要

Nuclear inelastic scattering of (57)Fe labeled [NiFe] hydrogenase is shown to give information on different states of the enzyme. It was thus possible to detect and assign Fe-CO and Fe-CN bending and stretching vibrations of the active site outside the spectral range of the Fe-S cluster normal modes.

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关键词

FeS clusters,hydrogenases,NiFe acvite site,spectroscopic methods,vibrational spectroscopy

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