产品内容
本酶催化的反应为S-Adenosyl-L-Methionine + 3,5,7,3',4'-Pentahydroxyflavone = S-Adenosyl-L-Homocysteine + 3-Methoxy-5,7,3',4'-Tetrahydroxyflavone,系统名称为S-Adenosyl-L-Methionine:3,5,7,3',4'-Pentahydroxyflavone 3-O-Methyltransferase,对槲皮素特异。相关酶实现其他黄酮醇(如高良姜素和山柰酚)的3-O-甲基化。