ID 2.1.1.270 DE (+)-6a-hydroxymaackiain 3-O-methyltransferase. AN HM3OMT. CA (+)-6a-hydroxymaackiain + S-adenosyl-L-methionine = (+)-pisatin + H(+) + CA S-adenosyl-L-homocysteine. CC -!- The protein from the plant Pisum sativum (garden pea) methylates (+)- CC 6a-hydroxymaackiain at the 3-position. CC -!- It also methylates 2,7,4'-trihydroxyisoflavanone on the 4'-position CC (cf. EC 2.1.1.212). DR O24305, M3OM1_PEA ; P0DH60, M3OM2_PEA ; //