1-Hydroxycarotenoid 3,4-desaturase
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1-Hydroxycarotenoid 3,4-desaturase (EC 1.3.99.27, CrtD, hydroxyneurosporene desaturase, carotenoid 3,4-dehydrogenase, 1-hydroxy-carotenoid 3,4-dehydrogenase) is an enzyme with systematic name 1-hydroxy-1,2-dihydrolycopene:acceptor oxidoreductase.[1][2][3] This enzyme catalyses the following chemical reaction
| 1-hydroxycarotenoid 3,4-desaturase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 1.3.99.27 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
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- 1-hydroxy-1,2-dihydrolycopene + acceptor 1-hydroxy-3,4-didehydro-1,2-dihydrolycopene + reduced acceptor
The enzymes from Rubrivivax gelatinosus and Rhodobacter sphaeroides acts primarily on acyclic carotenoids.
References
edit- ^ Teramoto M, Rählert N, Misawa N, Sandmann G (July 2004). "1-Hydroxy monocyclic carotenoid 3,4-dehydrogenase from a marine bacterium that produces myxol". FEBS Letters. 570 (1–3): 184–8. doi:10.1016/j.febslet.2004.05.085. PMID 15251462.
- ^ Steiger S, Astier C, Sandmann G (July 2000). "Substrate specificity of the expressed carotenoid 3,4-desaturase from Rubrivivax gelatinosus reveals the detailed reaction sequence to spheroidene and spirilloxanthin". The Biochemical Journal. 349 (Pt 2): 635–40. doi:10.1042/0264-6021:3490635. PMC 1221188. PMID 10880364.
- ^ Albrecht M, Ruther A, Sandmann G (December 1997). "Purification and biochemical characterization of a hydroxyneurosporene desaturase involved in the biosynthetic pathway of the carotenoid spheroidene in Rhodobacter sphaeroides". Journal of Bacteriology. 179 (23): 7462–7. PMC 179698. PMID 9393712.
External links
edit- 1-hydroxycarotenoid+3,4-desaturase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
