EXAFS reveals two Mo environments in the nitrogenase iron-molybdenum cofactor biosynthetic protein NifQ

被引：7
|
作者：
George, Simon J. [1 ]
Hernandez, Jose A. [2 ]
Jimenez-Vicente, Emilio [3 ]
Echavarri-Erasun, Carlos [3 ]
Rubio, Luis M. [3 ]
机构：
[1] Simon Sci Inc, Berkeley, CA 94701 USA
[2] Midwestern Univ, Dept Biochem, Glendale, AZ 85308 USA
[3] UPM, Ctr Biotecnol & Genom Plantas, Inst Nacl Invest & Tecnol Agr & Alimentaria INIA, Campus Montegancedo UPM, Madrid 28223, Spain
来源：
CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 79期
基金：
欧洲研究理事会;
关键词：
ABSORPTION FINE-STRUCTURE; SULFUR CLUSTERS; FEMO-COFACTOR; IDENTIFICATION;
D O I：
10.1039/c6cc06370e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Mo and Fe K-edge EXAFS analysis of NifQ shows the presence of a [MoFe3S4] cluster and a second independent Mo environment that includes Mo-O bonds and Mo-S bonds. Both environments are relevant to FeMo-co biosynthesis and may represent different stages of Mo biochemical transformations catalyzed by NifQ.
引用
收藏
页码：11811 / 11814
页数：4
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