产品内容
本酶催化的反应为GDP-alpha-D-Mannose + [3-O-Methyl-alpha-D-Mannosyl-(1->4)]N-3-O-Methyl-alpha-D-Mannose = alpha-D-Mannosyl-(1->4)-[3-O-Methyl-alpha-D-Mannosyl-(1->4)]N-3-O-Methyl-alpha-D-Mannose + GDP,系统名称为GDP-alpha-D-Mannose:[3-O-Methyl-alpha-D-Mannosyl-(1->4)]N-3-O-Methyl-alpha-D-Mannose [(1->4)-alpha-D-Mannosyl]transferase,该酶存在于产生 3-O-甲基甘露糖多糖(MMP)的分枝杆菌物种中,参与该聚合物的回收和生物合成。该酶对含有 4-6 个残基的 3-O-甲基化甘露糖苷活性最高。底物还原端的残基通常被二甲基化,第二个甲基连接在 O-1 位。