Phytoene desaturase (zeta-carotene-forming)
| Phytoene desaturase (zeta-carotene-forming) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 1.3.99.29 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Phytoene desaturase (zeta-carotene-forming) (EC 1.3.99.29, CrtIa, 2-step phytoene desaturase (ambiguous), two-step phytoene desaturase (ambiguous)) is an enzyme with systematic name 15-cis-phytoene:acceptor oxidoreductase (zeta-carotene-forming).[1] This enzyme catalyses the following chemical reaction
- 15-cis-phytoene + 2 acceptor all-trans-zeta-carotene + 2 reduced acceptor (overall reaction)
- (1a) 15-cis-phytoene + acceptor all-trans-phytofluene + reduced acceptor
- (1b) all-trans-phytofluene + acceptor all-trans-zeta-carotene + reduced acceptor
The enzyme is involved in carotenoid biosynthesis.
References
- ↑ Iniesta, A.A.; Cervantes, M.; Murillo, F.J. (2007). "Cooperation of two carotene desaturases in the production of lycopene in Myxococcus xanthus". FEBS J. 274: 4306–4314. doi:10.1111/j.1742-4658.2007.05960.x. PMID 17662111.
External links
- Phytoene+desaturase+(zeta-carotene-forming) at the US National Library of Medicine Medical Subject Headings (MeSH)
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