Active-site-directed irreversible inhibition of glycosidases by the corresponding glycosylmethyl-(p-nitrophenyl)triazenes
作者:Philip J. Marshall、Michael L. Sinnott、Paul J. Smith、Danny Widdows
DOI:10.1039/p19810000366
日期:——
β-D-Galactopyranosylmethyl-(p-nitrophenyl)triazene is an active-site-directed irreversible inhibitor (ASDIN) of the ebg° and the lacZβ-galactosidases of Escherichia coli, of the β-galactosidase of human-liver lysosomes, and, less effectively, of the α-galactosidase of green coffee beans; it has no effect on the lac repressor of E. coli. β-D-Glucopyranosylmethyl-(p-nitrophenyl)triazene is an ASDIN of both β-glucosidase
β- d -Galactopyranosylmethyl-(p硝基苯基)三氮烯是有源的位点定向的不可逆抑制剂的的(ASDIN)EBG °和lacZ启动的β半乳糖苷酶的大肠杆菌人类肝溶酶体的β半乳糖苷酶的,和,效果较差的生咖啡豆的α-半乳糖苷酶;它对大肠杆菌的lac阻遏物没有影响。β- D-葡糖基糖基甲基-(对硝基苯基)三氮烯是甜杏仁β-葡糖苷酶B的β-葡糖苷酶和β-半乳糖苷酶活性的ASDIN。对大肠杆菌的酵母α-葡萄糖苷酶,lacZβ-半乳糖苷酶没有影响或黑曲霉(Aspergillus niger)的葡糖淀粉酶。β- D-木吡喃糖基甲基-(对硝基苯基)三氮烯是来自沃特曼青霉的β-木糖苷酶的ASDIN ,但对短小芽孢杆菌的β-木糖苷酶没有影响,但由于其消耗了稳定的二硫苏糖醇。α - L-阿拉伯呋喃糖基甲基-(对硝基苯基)三氮烯是甜叶念珠菌胞外α- L-阿拉伯呋喃糖苷酶的ASDIN在pH为7时