The study of the oxidation states and the coordination structure of Mo in N<sub>2</sub> ase

Xinbo Ni; Jinlong Xu; Yongxian Wang; Cuifang Li; Renbang Xu; Jianben Gu; Gongmao Shen

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The study of the oxidation states and the coordination structure of Mo in N₂ ase

更新时间：2022-09-13

- The study of the oxidation states and the coordination structure of Mo in N₂ ase
- Nuclear Techniques Vol. 08, Issue 9, (1985)
- 作者机构：
  
  1.中国科学院上海原子核研究所
  2.中国科学院上海植物生理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：04 August 1984，
  
  Published：1985-12
- 稿件说明：
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Xinbo Ni, Jinlong Xu, Yongxian Wang, et al. The study of the oxidation states and the coordination structure of Mo in N₂ ase[J]. Nuclear techniques, 1985, 08(9): 18-20,52.
DOI：

Xinbo Ni, Jinlong Xu, Yongxian Wang, et al. The study of the oxidation states and the coordination structure of Mo in N₂ ase[J]. Nuclear techniques, 1985, 08(9): 18-20,52. DOI：

摘要

固氮酶是由Mo-Fe蛋白和Fe蛋白组成的。在Mo-Fe蛋白中含有二个Mo原子。在固氮酶的固氮反应机制中，Mo原子是络合底物、催化底物还原的活性中心原子

[1]

。故研究Mo在Mo-Fe蛋白中的可能结构显得十分重要。

Abstract

ase is made up of two distinct and separately isolated proteins. An Fe protein and an Mo-Fe protein that has two Mo atoms per mole.

Mo decays to excited nuclear state of

Tc. The angular correlation of the 741—181keV γ rays were emitted subsequently in the deexcitation of the

Tc through the medial state 5/2 +.

Mo was incorporated in N

ase by incubation. After freezing the solution of

Mo labelled N

ase the attenuation factor G

of PAC and quadrapole frequency

e were determind. Compared with the G

and

e of other

Mo labelled complexes

the oxidation state and coordination structure of

Mo in N

ase were speculated. The mechanism of nitrogen fixation by N

ase was also discussed according to the principle of electron transformation.

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Keywords

references

B. E. Smith , J . Less Common Metals , 54 , 465 （ 1977 ）.

R. M. Steffen , Phys. Rev ., 103 , 116 （ 1956 ）.

P. DA. R. Andrade et al ., Nuclear physics , 66 , 545 （ 1965 ）.

李粹芳等，植物生理学报， 10 , 1 , 47 （ 1984 ）.

扰动角关联组，核技术， 1 , 32 （ 1979 ）.

J. R. Knox et al ., Chem. Commun ., 1227 （ 1968 ）.

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Mössbauer study of nitrogenase biological nitrogen fixation active centre on analogous complexes of "AG" series

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Qiang Zhang

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Zufu Ma

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Related Institution

Institute of Modern Physics, Academia Sinica

Lanzhou University

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The study of the oxidation states and the coordination structure of Mo in N2 ase

DOI：

摘要

Abstract

关键词

Keywords

references

The study of the oxidation states and the coordination structure of Mo in N₂ ase