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EC Number Substrates Commentary Substrates Organism Products Commentary (Products) Reversibility
Display the reaction diagram Show all sequences 2.1.1.270more in vivo reaction is 4'-O-methylation of isoflavones, in vitro reaction is 7-O-methylation Medicago sativa ? - ?
Display the reaction diagram Show all sequences 2.1.1.270more in Pisum sativum, there are two highly similar hydroxymaackiain 3-O-methyltransferases HMM, with HMM1 prefering 2,7,4'-trihydroxyisoflavanone as a substrate and HMM2 being the specific O-methyltransferase that methylates (+)-6a-hydroxymaackiain Pisum sativum ? - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain - Medicago truncatula S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain - Pisum sativum S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain at 49% of the activity with daidzein, the enzyme also catalyzes the reaction of EC 2.1.1.150 Medicago sativa S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain isoform HMM1 shows efficiencies for the methylation of 2,7,4'-trihydroxyisoflavanone 4times higher than for the methylation of (+)-6a-hydroxymaackiain, substrate of 6a-hydroxymaackiain-3-O-methyltransferase. Isoform HMM2 has a higher Vmax and lower Km on (+)-6a-hydroxymaackiain, and has a 67fold higher efficiency for the methylation of (+)-6a-hydroxymaackiain than that for 2,7,4'-trihydroxyisoflavanone Pisum sativum S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain isoform HMM2, 6a-hydroxymaackiain is the preferred substrate Pisum sativum S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain HMM2 is involved primarily in the biosynthesis of (+)-pisatin Pisum sativum S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain HMM2 shows efficiencies (relative Vmax/Km) for the 3-O-methylation of (+)-6a-hydroxymaackiain 67 times higher than for the 4'-O-methylation of 2,7,4'-trihydroxyisoflavanone Pisum sativum S-adenosyl-L-homocysteine + (+)-pisatin - ?
Display the reaction diagram Show all sequences 2.1.1.270S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain the bifunctional enzyme also catalyzes the 4'-O-methylation of 2,7,4'-trihydroxyisoflavanonewith slightly higher catalytic efficiency Medicago truncatula S-adenosyl-L-homocysteine + (+)-pisatin - ?
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