Component C of the methylcoenzyme M methylreductase system contains bound 7-mercaptoheptanoylthreonine phosphate (HS-HTP).

Component C of the methylcoenzyme M methylreductase system contains bound 7-mercaptoheptanoylthreonine phosphate (HS-HTP).
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甲基辅酶 M 甲基还原酶系统的组分 C 含有结合的 7-巯基庚酰苏氨酸磷酸盐 (HS-HTP)。

DOI:
10.1016/s0006-291x(86)80261-3
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发表时间:
1986
影响因子:
3.1
通讯作者:
Wolfe,RS
Wolfe,RS
中科院分区:
生物学4区
文献类型:
--
作者:
Noll,KM;Wolfe,RS

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热自养甲烷杆菌(Methanobacteriumthermoautotrophicum)甲基辅酶M甲基还原酶系统的组分B的结构是7-巯基庚酰苏氨酸磷酸(HS-HTP)。本文所述的工作表明,该化合物以两种形式存在:无酶和酶结合。发现HS-HTP与甲基辅酶M甲基还原酶系统的组分C结合。从蛋白质中提取的辅因子通过热变性被发现与HS-HTP和2-巯基乙醇的混合二硫化物通过高效液相色谱共迁移,表明HS-HTP在结合状态下未被修饰。
The structure of component B of the methylcoenzyme M methylreductase system ofMethanobacterium thermoautotrophicumwas recently found to be 7-mercaptoheptanoylthreonine phosphate (HS-HTP). The work described here demonstrates that this compound is found in two forms: enzyme-free and enzymebound. HS-HTP was found to be bound to component C of the methylcoenzyme M methylreductase system. The cofactor extracted from the protein by heat denaturation was found to comigrate with the mixed disulfide of HS-HTP and 2-mercaptoethanol by high-performance liquid chromatography, suggesting HS-HTP is not modified in the bound state.
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DOI: --
发表时间: 1983
影响因子: --
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DOI: --
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期刊:
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