[动物组织中超氧化物歧化酶的纯化及比较研究]
[Purification and comparative study of superoxide dismutase from animal tissues].
作者信息
Grigorian N A, Giul'khandanian G V, Simonian M A, Nalbandian R M
出版信息
Biokhimiia. 1977 Aug;42(8):1499-505.
PMID:911941
Abstract
Cuprozinc superoxide dismutases were isolated from bovine liver, kidney and adrenal medulla. It was found that the enzyme from these sources exists in the form of three isoenzymes, the main izoenzyme being the most basic form. Physico-chemical properties of superoxide dismutases isolated from different tissues were found similar. Copper atoms in active sites of all superoxide dismutases investigated are bound with 4 nitrogen atoms.
摘要
从牛的肝脏、肾脏和肾上腺髓质中分离出了铜锌超氧化物歧化酶。发现来自这些来源的酶以三种同工酶的形式存在，主要的同工酶是最碱性的形式。从不同组织中分离出的超氧化物歧化酶的物理化学性质相似。所有研究的超氧化物歧化酶活性位点中的铜原子都与4个氮原子结合。
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