Evidence for Interstitial Carbon in Nitrogenase FeMo Cofactor

Spatzal, Thomas; Aksoyoglu, Müge; Zhang, Limei; Andrade, Susana L. A.; Schleicher, Erik; Weber, Stefan; Rees, Douglas C.; Einsle, Oliver

doi:10.1126/science.1214025

articleScienceNov 17, 2011Closed access

Evidence for Interstitial Carbon in Nitrogenase FeMo Cofactor

TSThomas Spatzal MAMüge Aksoyoglu LZLimei Zhang SLSusana L. A. Andrade ESErik Schleicher

University of Freiburg · Howard Hughes Medical Institute

PubMed

Indexed incrossrefpubmed

Abstract

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.

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Topics & keywords

Topics

Keywords

Nitrogenase
Cofactor
Crystallography
Chemistry
Envelope (radar)
Carbon fibers
Ligand (biochemistry)
Materials science

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