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一般說明
研究领域:细胞信号传导
牛肝过氧化氢酶是由4个相同亚基组成的四聚体,每个亚基的分子量为60 kDa。每个亚基都含有与原血红素IX基团结合的铁。过氧化氢酶也能紧密结合NADP,其中NADP和血红素基团的距离在13.7埃之内。
牛肝过氧化氢酶是由4个相同亚基组成的四聚体,每个亚基的分子量为60 kDa。每个亚基都含有与原血红素IX基团结合的铁。过氧化氢酶也能紧密结合NADP,其中NADP和血红素基团的距离在13.7埃之内。
應用
过氧化氢酶作为天然抗氧化剂,可用于研究活性氧物质对基因表达和凋亡的作用。它还被用于保护蛋白质、脂质和核酸免受氧化损伤。工业上,过氧化氢酶已被用于去除添加至牛奶和奶酪中以及纺织品漂白使用的过氧化氢,并用于研究其对大肠杆菌DNA修复突变体生活力的正向效应。
牛肝过氧化氢酶可用于:
牛肝过氧化氢酶可用于:
- 制备用于葡萄糖生物燃料电池的H2O2-O2基生物阴极
- 研究固定在硅酸镁载体上的过氧化氢酶的动力学性质和储存稳定性
- 水溶液中谷胱甘肽介导的超氧化物生成
生化/生理作用
过氧化氢酶是一种存在于所有需氧生物中的抗氧化酶,可将代谢过程的副产物过氧化氢催化降解为危害较小的水和氧气。它还能与烷基过氧化氢反应,如甲基过氧化物和乙基过氧化物,可以用甲醇、乙醇、丙醇、甲酸盐和硝酸盐作为氢供体取代第二 H2O2 分子。过氧化氢酶使用铁(Fe)或锰(Mn)作为辅因子,分为Fe-CAT或Mn-CAT。
單位定義
在pH 7.0、25摄氏度下,一个单位每分钟分解1.0微摩尔的过氧化氢,而过氧化氢的浓度则从10.3降至9.2毫摩尔。
訊號詞
Danger
危險聲明
危險分類
Resp. Sens. 1
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
WGK 1
閃點(°F)
Not applicable
閃點(°C)
Not applicable
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
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