The Enzyme Database

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Accepted name: all-trans-ζ-carotene desaturase
Reaction: all-trans-ζ-carotene + 2 acceptor = all-trans-lycopene + 2 reduced acceptor (overall reaction)
(1a) all-trans-ζ-carotene + acceptor = all-trans-neurosporene + reduced acceptor
(1b) all-trans-neurosporene + acceptor = all-trans-lycopene + reduced acceptor
For diagram of carotenoid biosynthesis, click here
Other name(s): CrtIb; phytoene desaturase (ambiguous); 2-step phytoene desaturase (ambiguous); two-step phytoene desaturase (ambiguous); CrtI (ambiguous)
Systematic name: all-trans-ζ-carotene:acceptor oxidoreductase
Comments: This enzyme is involved in carotenoid biosynthesis.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Iniesta, A.A., Cervantes, M. and Murillo, F.J. Cooperation of two carotene desaturases in the production of lycopene in Myxococcus xanthus. FEBS J. 274 (2007) 4306–4314. [DOI] [PMID: 17662111]
[EC created 2011]

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