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Iron K-edge X-ray-absorption spectroscopy of the iron-vanadium cofactor of the vanadium nitrogenase from Azotobacter chroococcum.

机译：嗜铬固氮菌中钒固氮酶的铁-钒辅因子的铁K边缘X射线吸收光谱。

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摘要

Iron K-edge e.x.a.f.s. data for the iron-vanadium cofactor (FeVaco) from Azotobacter chroococcum vanadium nitrogenase reported here provide further evidence for the structural similarity between this and the iron-molybdenum nitrogenase cofactor (FeMoco) from Klebsiella pneumoniae molybdenum nitrogenase [Arber, Flood, Garner, Gormal, Hasnain & Smith (1988) Biochem. J. 252, 421-425]. The e.x.a.f.s. data are consistent with the vanadium being present in a V-Fe-S cluster, thus confirming that the N-methylformamide extract of the VFe protein component of A. chroococcum vanadium nitrogenase does indeed contain a polynuclear metal-sulphur cluster. Additionally, a long Fe-Fe distance is observed as 0.369 nm, demonstrating the presence of a long-range order in the cluster.

机译：铁K边缘e.x.a.f.s.此处报道的绿脓杆菌钒氮酶的铁-钒辅酶（FeVaco）数据提供了进一步的证据，证明其与肺炎克雷伯菌钼-氮酶的铁-钼固氮酶辅因子（FeMoco）之间存在结构相似性[Arber，Flood，Garner，Gormal， Hasnain＆Smith（1988）生物化学。 J. 252，421-425]。 e.x.a.f.s.数据与V-Fe-S簇中存在的钒一致，因此证实了嗜铬球菌钒氮酶的VFe蛋白组分的N-甲基甲酰胺提取物确实含有多核金属-硫簇。此外，观察到长的Fe-Fe距离为0.369 nm，这表明簇中存在长程有序。

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期刊名称 Biochemical Journal
作者
I Harvey; J M Arber; R R Eady; B E Smith; C D Garner; S S Hasnain;
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年(卷),期 1990(266),3
年度 1990
页码 929–931
总页数 3
原文格式 PDF
正文语种
中图分类分子生物学;
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机译：铬固氮菌钒氮酶的钒铁蛋白的功能性和硫氨酸氧化形式的钒K边缘X射线吸收光谱
4. Quantum Mechanics/Molecular Mechanics Study of Resting-State Vanadium Nitrogenase: Molecular and Electronic Structure of the Iron-Vanadium Cofactor [J] . Benediktsson Bardi, Bjornsson Ragnar Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2020,第16期

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机译：葡萄固氮菌固氮酶铁钼蛋白的结构研究：铁蛋白在铁钼辅因子装配中的作用
8. Vanadium K-edge X-ray-absorption spectroscopy of the functioning and thionine-oxidized forms of the VFe-protein of the vanadium nitrogenase from Azotobacter chroococcum. [O] . J M Arber, B R Dobson, R R Eady, 1989

机译：铬固氮细菌钒钒化酶VFe蛋白的功能性和硫氨酸氧化形式的钒K边缘X射线吸收光谱。
9. Vanadium K-edge X-ray-absorption spectroscopy of the functioning and thionine-oxidized forms of the VFe-protein of the vanadium nitrogenase from Azotobacter chroococcum. [O] . Arber, J M, Dobson, B R, Eady, R R, 1989

机译：铬固氮细菌钒钒化酶VFe蛋白的功能性和硫氨酸氧化形式的钒K边缘X射线吸收光谱。

Iron K-edge X-ray-absorption spectroscopy of the iron-vanadium cofactor of the vanadium nitrogenase from Azotobacter chroococcum.

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