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EC 2.1.1.270 Details
show Brenda entryEC number
2.1.1.270
Accepted name
(+)-6a-hydroxymaackiain 3-O-methyltransferase
Reaction
S-adenosyl-L-methionine + (+)-6a-hydroxymaackiain = S-adenosyl-L-homocysteine + (+)-pisatin
Other name(s)
HM3OMT,
HMM2
Systematic name
S-adenosyl-L-methionine:(+)-6a-hydroxymaackiain 3-O-methyltransferase
Comment
The protein from the plant Pisum sativum (garden pea) methylates (+)-6a-hydroxymaackiain at the 3-position. It also methylates 2,7,4′-trihydroxyisoflavanone on the 4′-position (cf. EC 2.1.1.212, 2,7,4-trihydroxyisoflavanone 4-O-methyltransferase) with lower activity.
History
created 2013
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1 Oxidoreductases
1.1 Acting on the CH-OH group of donors
3.1.6.5 created 1961, deleted 1964
