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EC 1.14.13.52 Details
EC number
1.14.13.52
Accepted name
isoflavone 3′-hydroxylase
Reaction
formononetin + NADPH + H+ + O2 = calycosin + NADP+ + H2O
Other name(s)
isoflavone 3′-monooxygenase
Systematic name
formononetin,NADPH:oxygen oxidoreductase (3′-hydroxylating)
CAS registry number
110183-50-1
Comment
A heme-thiolate protein (P-450). Also acts on biochanin A and other isoflavones with a 4′-methoxy group. Involved in the biosynthesis of the pterocarpin phytoalexins medicarpin and maackiain.
History
created 1992, deleted 2018
EC Tree
1.14.13.45 created 1992, deleted 2003