Cholesterol 7 alpha-hydroxylase

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cytochrome P450, family 7, subfamily A, polypeptide 1
Identifiers
Symbol CYP7A1 CYP7
HUGO 2651
Entrez 1581
OMIM 118455
RefSeq NM_000780
UniProt P22680
Other data
EC number 1.14.13.17
Locus Chr. 8 q11-q12

Cholesterol 7 alpha-hydroxylase (CYP7A1), the rate-limiting enzyme in the synthesis of bile acid from cholesterol.

It is downregulated by Sterol regulatory element binding proteins (SREBP) when plasma cholesterol levels are low.