产品内容
本酶催化的反应为(1) S-Adenosyl-L-Methionine + A 3'-Hydroxyflavonoid = S-Adenosyl-L-Homocysteine + A 3'-Methoxyflavonoid;;(2) S-Adenosyl-L-Methionine + A 5'-Hydroxy-3'-Methoxyflavonoid = S-Adenosyl-L-Homocysteine + A 3',5'-Dimethoxyflavonoid，系统名称为S-Adenosyl-L-Methionine:flavonoid 3'-O-Methyltransferase，分离自葡萄 Vitis vinifera（葡萄）[2]。对飞燕草素 3-葡萄糖苷活性最高，但也作用于矢车菊素 3-葡萄糖苷、矢车菊素、杨梅素、槲皮素和槲皮素 3-葡萄糖苷。来自长春花 Catharanthus roseus 的酶对杨梅素活性最高 [1]。
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