雌激素诱导的大鼠子宫过氧化物酶II及其某些衍生物的光谱特性。
Spectral properties of the oestrogen-induced rat uterus peroxidase II and some of its derivatives.
作者信息
Olsen R L, Flatmark T, Little C
出版信息
Biochem J. 1982 Jan 1;201(1):91-4. doi: 10.1042/bj2010091.
Abstract
- The visible absorption spectrum of peroxidase II, isolated from the uterine tissue of oestradiol-treated rats, and some of its derivatives were recorded. The spectral properties of this enzyme are very similar to eosinophile peroxidase and lactoperoxidase, suggesting that these enzymes may have a similar form of haem as prosthetic group. 2. The uterine peroxidase is modified upon interaction with H2O2 and the difference spectrum of this modified enzyme is similar to that of complex II of lactoperoxidase. The modified enzyme was found to revert spontaneously to the native enzyme at rates which depended on the concentration of free enzyme and H2O2.
摘要
- 记录了从经雌二醇处理的大鼠子宫组织中分离出的过氧化物酶II及其一些衍生物的可见吸收光谱。这种酶的光谱特性与嗜酸性粒细胞过氧化物酶和乳过氧化物酶非常相似，表明这些酶可能具有相似形式的血红素作为辅基。2. 子宫过氧化物酶与过氧化氢相互作用后会发生修饰，这种修饰酶的差光谱与乳过氧化物酶复合物II的差光谱相似。发现修饰酶会以取决于游离酶和过氧化氢浓度的速率自发恢复为天然酶。
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