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[模型钼-硫和钼-铁-硫蛋白复合物]

[Model molybdenum-sulfur and molybdenum-iron-sulfur protein complexes].

作者信息

Belonogova O V, Likhtenshteĭn G I

出版信息

Bioorg Khim. 1996 Dec;22(12):907-10.

PMID:9054341
Abstract

A procedure was developed for synthesizing complexes of polynuclear molybdenum sulfide and iron-molybdenum sulfide on the basis of human serum albumin. EPR showed that molybdenum and iron atoms formed clusters in the synthesized complexes. The catalytic activity of the complexes, as determined through reaction of acetylene reduction by sodium borohydride, was significantly higher than that for previously described nonbiological systems, but lower than the characteristic values of FeMo-cofactor of nitrogenase.

摘要

开发了一种在人血清白蛋白基础上合成多核硫化钼和铁 - 钼硫化物配合物的方法。电子顺磁共振显示,钼和铁原子在合成的配合物中形成了簇。通过硼氢化钠还原乙炔反应测定,这些配合物的催化活性显著高于先前描述的非生物体系,但低于固氮酶铁钼辅因子的特征值。

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