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          Institute: MPI für bioanorganische Chemie     Collection: MPI für bioanorganische Chemie     Display Documents



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ID: 713283.0, MPI für bioanorganische Chemie / MPI für bioanorganische Chemie
The Fe-V Cofactor of Vanadium Nitrogenase Contains an Interstitial Carbon Atom
Authors:Rees, Julian A.; Bjornsson, Ragnar; Schlesier, Julia; Sippel, Daniel; Einsle, Oliver; DeBeer, Serena
Language:English
Date of Publication (YYYY-MM-DD):2015
Title of Journal:Angewandte Chemie-International Edition
Journal Abbrev.:Angew. Chem. Int. Ed.
Volume:54
Issue / Number:45
Start Page:13249
End Page:13252
Review Status:Internal review
Audience:Experts Only
Abstract / Description:The first direct evidence is provided for the presence of an interstitial carbide in the FeV cofactor of Azotobacter vinelandii vanadium nitrogenase. As for our identification of the central carbide in the FeMo cofactor, we employed Fe K valence-to-core X-ray emission spectroscopy and density functional theory calculations, and herein report the highly similar spectra of both variants of the cofactor-containing protein. The identification of an analogous carbide, and thus an atomically homologous active site in vanadium nitrogenase, highlights the importance and influence of both the interstitial carbide and the identity of the heteroatom on the electronic structure and catalytic activity of the enzyme.
Comment of the Author/Creator:Date: 2015, NOV 2 2015
External Publication Status:published
Document Type:Article
Version Comment:Automatic journal name synchronization
Communicated by:N. N.
Affiliations:MPI für bioanorganische Chemie
External Affiliations:[Schlesier,J.; Einsle,O.; Sippel,D.] Univ Freiburg, Inst Biochem, D-79104 Freiburg, Germany
Identifiers:ISI:000363691500014 [ID No:1]
ISSN:1433-7851 [ID No:2]
DOI:10.1002/anie.201505930 [ID No:3]
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