title: Reversible activation-inactivation of cholesterol 7alpha-hydroxylase possibly due to phosphorylation-dephosphorylation.
mesh_terms: D000255:Adenosine Triphosphate / Q000494:pharmacology; D000469:Alkaline Phosphatase / Q000494:pharmacology; D000818:Animals; D002790:Cholesterol 7-alpha-Hydroxylase / Q000096:biosynthesis*; D003600:Cytosol / Q000201:enzymology; D004789:Enzyme Activation / Q000187:drug effects; D004926:Escherichia coli / Q000201:enzymology; D066298:In Vitro Techniques; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D008862:Microsomes, Liver / Q000201:enzymology; D010766:Phosphorylation; D051381:Rats; D011919:Rats, Inbred Strains; D013250:Steroid Hydroxylases / Q000096:biosynthesis*
chemical_list: D000255:Adenosine Triphosphate; D013250:Steroid Hydroxylases; D002790:Cholesterol 7-alpha-Hydroxylase; D000469:Alkaline Phosphatase; D008274:Magnesium