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EC 1.14.14.82 Details
show Brenda entryEC number
1.14.14.82
Accepted name
flavonoid 3′-monooxygenase
Reaction
a flavonoid + [reduced NADPH—hemoprotein reductase] + O2 = a 3′-hydroxyflavonoid + [oxidized NADPH—hemoprotein reductase] + H2O
Other name(s)
CYP75B1 (gene name),
flavonoid 3′-hydroxylase,
flavonoid 3-hydroxylase (incorrect),
NADPH:flavonoid-3′-hydroxylase (incorrect),
flavonoid 3-monooxygenase (incorrect)
Systematic name
flavonoid,[reduced NADPH—hemoprotein reductase]:oxygen oxidoreductase (3′-hydroxylating)
CAS registry number
75991-44-5
Comment
A cytochrome P-450 (heme-thiolate) protein found in plants. Acts on a number of flavonoids, including the flavanone naringenin and the flavone apigenin. Does not act on 4-coumarate or 4-coumaroyl-CoA.
History
created 1983 as EC 1.14.13.21, transferred 2018 to EC 1.14.14.82
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1 Oxidoreductases
1.1 Acting on the CH-OH group of donors
1.14.14.2 created 1972, deleted 1976 1.14.14.4 created 2000, deleted 2002
