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EC 1.14.13.129 Details
show Brenda entryEC number
1.14.13.129
Accepted name
β-carotene 3-hydroxylase
Reaction
β-carotene + 2 NADH + 2 H+ + 2 O2 = zeaxanthin + 2 NAD+ + 2 H2O
(overall reaction);;(1a) β-carotene + NADH + H+ + O2 = β-cryptoxanthin + NAD+ + H2O;;(1b) β-cryptoxanthin + NADH + H+ + O2 = zeaxanthin + NAD+ + H2O
Other name(s)
β-carotene 3,3′-monooxygenase,
CrtZ
Systematic name
β-carotene,NADH:oxygen 3-oxidoreductase
CAS registry number
133425-64-6
Comment
Requires ferredoxin and Fe(II). Also acts on other carotenoids with a β-end group. In some species canthaxanthin is the preferred substrate.
History
created 2011, deleted 2017
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1 Oxidoreductases
1.1.1 With NAD+ or NADP+ as acceptor
1.1.99.15 created 1978, deleted 1980 1.1.99.17 created 1982, deleted 2003 1.14.13.45 created 1992, deleted 2003
