乳过氧化物酶 来源于牛奶, ≥35 units/mg dry weight
Product Name： Lactoperoxidase from Bovine Milk
别名:供体：过氧化氢氧化还原酶;过氧化物酶
CAS号:9003-99-0
介绍： Lactoperoxidase (LPO) is a glycoprotein with a hemin prosthetic group which may occur as a mixture of two isozymes. It has a molecular weight of 77,500 daltons. LPO catalyzes the hydrogen peroxide oxidation of iodide according to the following reaction： 2I- + H2O2 + 2H+ → I2 + 2H2O. Iodide reacts directly with the heme group; upon addition of H2O2 the complex iodinates the substrate. LPO is inhibited by hydrazines. The assay procedure has been updated from that of Morrison to an ABTS?/H2O2 based method with increased sensitivity and reproducibility.
贮存： 储存温度 -20°C
生化和生理学机理： 乳过氧化物酶催化过氧化氢与碘化物的氧化反应生成碘。该活性提供了一种温和的特异性氯胺 T 替代物，用于蛋白质和 DNA 的放射性碘化反应。
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