产品内容
本酶催化的反应为(1) Diacylphosphatidylethanolamine + Lipid A = Diacylglycerol + Lipid A 1-(2-Aminoethyl Diphosphate);;(2) Diacylphosphatidylethanolamine + Lipid A = Diacylglycerol + Lipid A 4'-(2-Aminoethyl Diphosphate);;(3) Diacylphosphatidylethanolamine + Lipid A 1-(2-Aminoethyl Diphosphate) = Diacylglycerol + Lipid A 1,4'-Bis(2-Aminoethyl Diphosphate),系统名称为Diacylphosphatidylethanolamine:lipid-A Phosphoethanolaminetransferase,该酶向脂质A添加一个或两个磷酸乙醇胺基团生成二磷酸酯,有时与 EC 2.4.2.43(脂质IVA 4-氨基-4-脱氧-L-阿拉伯糖基转移酶)联合作用,在脂质A的磷酸基上生成含4-氨基-4-脱氧-β-L-阿拉伯糖基的产物以替代二磷酸乙醇胺基团。它也可作用于脂质IVA和Kdo2-脂质A。