The Enzyme Database

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EC 1.14.13.199     
Accepted name: docosahexaenoic acid ω-hydroxylase
Reaction: docosahexaenoate + NADPH + H+ + O2 = 22-hydroxydocosahexaenoate + NADP+ + H2O
Glossary: docosahexaenoate = (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoate
icosapentaenoate = (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate
Other name(s): CYP4F3B; CYP4V2; docosahexaenoate,NADPH:O2 oxidoreductase (22-hydroxydocosahexaenoate forming)
Systematic name: docosahexaenoate,NADPH:oxygen oxidoreductase (22-hydroxydocosahexaenoate forming)
Comments: Isolated from human eye tissue. Defects in the enzyme are associated with Bietti crystalline corneoretinal dystrophy. The enzyme also produces some 21-hydroxydocosahexaenoate. Acts in a similar way on icosapentaenoic acid.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Nakano, M., Kelly, E.J., Wiek, C., Hanenberg, H. and Rettie, A.E. CYP4V2 in Bietti’s crystalline dystrophy: ocular localization, metabolism of ω-3-polyunsaturated fatty acids, and functional deficit of the p.H331P variant. Mol. Pharmacol. 82 (2012) 679–686. [PMID: 22772592]
[EC 1.14.13.199 created 2014]
 
 


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