Karoten epsilon-monooksigenaza
| Karoten epsilon-monooksigenaza | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifikatori | |||||||||
| EC broj | 1.14.99.45 | ||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB | RCSB PDB PDBe PDBj PDBsum | ||||||||
| |||||||||
Karoten epsilon-monooksigenaza (EC 1.14.99.45, CYP97C1, LUT1) je enzim sa sistematskim imenom alfa-karoten:kiseonik oksidoreduktaza (3-hidroksilacija).[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju
- alfa-karoten + O2 + AH2 alfa-kriptoksantin + A + H2O
Ovaj enzim je hem-tiolatni protein. On takođe deluje na zeinoksantin i formira lutein.
- ↑ Pogson, B., McDonald, K.A., Truong, M., Britton, G. and DellaPenna, D. (1996). „Arabidopsis carotenoid mutants demonstrate that lutein is not essential for photosynthesis in higher plants”. Plant Cell 8: 1627-1639. PMID 8837513.
- ↑ Tian, L., Musetti, V., Kim, J., Magallanes-Lundback, M. and DellaPenna, D. (2004). „The Arabidopsis LUT1 locus encodes a member of the cytochrome P450 family that is required for carotenoid ε-ring hydroxylation activity”. Proc. Natl. Acad. Sci. USA 101: 402-407. PMID 14709673.
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