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名称
碱性磷酸酶 来源于大肠杆菌
货号
P755444-500unit
包装规格
500unit
浓度
lyophilized powder, 30-60 units/mg protein (in glycine buffer)
产品介绍
来自Sigma 公司的该酶已被用于开发合成纳米孔膜。这种膜模拟受磷酸化/去磷酸化调节的蛋白质通道,并使用浸渍在聚苯乙烯基质中的排列整齐的碳纳米管 (CNTs)。碱性磷酸酶用于偶联抗体和其他蛋白,可用于 ELISA、免疫印迹和组织化学检测。需要高灵敏度时可用于蛋白标记。产品P5931在免疫印迹期间用于在Tau1孵育之前处理细胞膜。应用: 大肠杆菌 碱性磷酸酶(ALP)是具有基因内互补作用酶基团的酶。 Alkaline phosphatase (ALP) of E.coli is a member of an enzyme group that possesses intragenic complementation. Application: Alkaline phosphatase is used for conjugation to antibodies and other proteins for ELISA, Western blotting, and histochemical detection. It may be used for protein labeling when high sensitivity is required. Product P5931 has been used during immunoblots to treat cell membranes prior to Tau1 incubation . The enzyme from Sigma has been used to develop a synthetic nanopore membrane. This membrane mimics protein channels that are regulated by phosphorylation/dephosphorylation and uses an aligned array of carbon nanotubes (CNTs) impregnated in a polystyrene matrix.
生化机理
碱性磷酸酶,来自 大肠杆菌 ,是一种主要存在于周质空间的二聚体、非糖基化蛋白。已知存在三种亚型。这种酶需要锌,并被镁激活 。 大肠杆菌 碱性磷酸酶对磷酸酯有广泛的特异性 。该酶是一种磷酸水解酶,在体外的最佳 pH 值为 10 。实际的最适 pH 值取决于底物的性质和浓度、缓冲液的类型、磷酸受体、甚至同工酶的性质(某些情况下)。它可催化磷酸单酯的水解,例如:对硝基苯基磷酸酯、磷酸苯基酯、磷酸酚酞、α-甘油磷酸盐,β-甘油磷酸、2-磷酸甘油酸、丙糖磷酸、葡萄糖-6-磷酸、葡萄糖 1-磷酸、果糖 1-磷酸、果糖 6-磷酸、腺苷 5-磷酸腺苷 3-磷酸、磷酸烯醇丙酮酸和 β-烟酰胺腺嘌呤二核苷酸磷酸等。 它的活性受到 1,10-菲咯啉一水合物、二乙烯三胺五乙酸、乙二醇-双(2-氨基乙醚)-N,N,N',N'-四乙酸和乙二胺四乙酸二钠盐二水合物的抑制。
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Research chemical

Research chemical; supplied for laboratory research, analysis, inspection, and scientific procurement use.

item number:P755444-500unit
Product model:500unit
level: lyophilized powder, 30-60 units/mg protein (in glycine buffer)
Lead Time:30days
sold 365 Items
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