Search Ontology:
GO: Molecular Function

C-22 sterol desaturase (NADPH) activity

Term ID
GO:0000249
Synonyms
Definition
Catalysis of the reaction: 5-dehydroepisterol + H+ + NADPH + O2 = ergosta-5,7,22,24(28)-tetraen-3beta-ol + 2 H2O + NADP+. This reaction is the introduction of a double bond between the C-22 and C-23 carbons of certain sterols. Also converts sitosterol and 24-epi-campesterol to stigmasterol and brassicasterol, respectively. 1.14.19.41
References
Ontology
GO: Molecular Function    QuickGO    AmiGO
Relationships
is a type of
Phenotype
Phenotype caused by Genes
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