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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 Acting on the CH-OH group of donors
1.6.99.4 created 1965, deleted 1972 1.6.99.8 created 1972, deleted 2002 1.6.99.9 created 1972, deleted 2002 1.6.99.10 created 1978, deleted 1981 1.6.99.11 created 1989, deleted 2002 1.6.99.12 created 1989, deleted 2002 1.6.99.13 created 1992, deleted 2002 1.14.13.45 created 1992, deleted 2003
