热门关键词： ELISA试剂盒 - 大鼠ELISA试剂盒- 小鼠ELISA试剂盒
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0755-28715175
热门关键词： ELISA试剂盒 - 大鼠ELISA试剂盒- 小鼠ELISA试剂盒
全国统一客服热线：
0755-28715175
乳过氧化物酶CAS : 9003-99-0
货号：zk5633
英文名 ：Lactoperoxidase
级别 ：Activity ≥35 U/mg dw ABTS
储存： 冷冻（-20℃）
规格：10mg 50mg
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.
| Description | Chromatographically purified. A lyophilized powder. |
| Storage | Store at -20℃ |
| Activity | ≥35 units per mg dry weight ABTS |
| Unit Definition | One Unit reduces one micromole of hydrogen peroxide per minute at 25°C, pH 6.0. Note: This unit definition is based upon a new assay method. The previous method yielded approximately 2.8 times higher results. |
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