Identification of a Mo-Fe-S cluster on NifEN by Mo K-edge extended X-ray absorption fine structure.

Absorption Fine Structure Simon J. George,† Robert Y. Igarashi,‡ Cinthia Piamonteze,† Basem Soboh,‡ Stephen P. Cramer,†,§ and Luis M. Rubio*,‡ Department of Plant and Microbial Biology, UniVersity of CaliforniasBerkeley, 111 Koshland Hall, Berkeley, California 94720, AdVanced Biological and EnVironmental X-ray Facility, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, and Department of Applied Science, UniVersity of CaliforniasDaVis, DaVis, California 95616