Evidence for Interstitial Carbon in Nitrogenase FeMo Cofactor

The identity of the interstitial light atom in the center of the FeMo cofactor of nitrogenase has been enigmatic since its discovery. Atomic-resolution x-ray diffraction data and an electron spin echo envelope modulation (ESEEM) analysis now provide direct evidence that the ligand is a carbon specie...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2011-11, Vol.334 (6058), p.940-940
Hauptverfasser:	Spatzal, Thomas, Aksoyoglu, Müge, Zhang, Limei, Andrade, Susana L. A., Schleicher, Erik, Weber, Stefan, Rees, Douglas C., Einsle, Oliver
Format:	Artikel
Sprache:	eng
Schlagworte:	Atoms Azotobacter vinelandii - chemistry Biological and medical sciences BREVIA Carbon Carbon - chemistry Catalysis Crystalline structure Crystallography, X-Ray Electron Spin Resonance Spectroscopy Evidence Fundamental and applied biological sciences. Psychology Isotopic labeling ligands Models, Molecular Molecular biophysics Molecular Structure Molybdoferredoxin - chemistry Nitrogen Nitrogen - chemistry nitrogenase Structure in molecular biology X-ray diffraction
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Beschreibung
Zusammenfassung:	The identity of the interstitial light atom in the center of the FeMo cofactor of nitrogenase has been enigmatic since its discovery. Atomic-resolution x-ray diffraction data and an electron spin echo envelope modulation (ESEEM) analysis now provide direct evidence that the ligand is a carbon species.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.1214025