Term Name:	sterol 12-alpha-hydroxylase activity
Synonyms:	cytochrome P450 CYP8B1
Definition:	Catalysis of the reaction: a steroid + reduced [NADPH--hemoprotein reductase] + O2 = a 12-alpha-hydroxysteroid + oxidized [NADPH--hemoprotein reductase]- H2O +H+.
Ontology:	GO: Molecular Function [GO:0008397]    QuickGO    AmiGO