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

ABSTRACT: 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.

SUBMITTER: Kamali S 

PROVIDER: S-EPMC3535562 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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

Kamali Saeed S   Wang Hongxin H   Mitra Devrani D   Ogata Hideaki H   Lubitz Wolfgang W   Manor Brian C BC   Rauchfuss Thomas B TB   Byrne Deborah D   Bonnefoy Violaine V   Jenney Francis E FE   Adams Michael W W MW   Adams Michael W W MW   Yoda Yoshitaka Y   Alp Ercan E   Zhao Jiyong J   Cramer Stephen P SP  

Angewandte Chemie (International ed. in English) 20121108 2

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. ...[more]

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