Synthesis of bile acids and bile salts via 24-hydroxycholesterol

Russell DW. The enzymes, regulation, and genetics of bile acid synthesis. Annu Rev Biochem. 2003;72():137–74. doi: 10.1146/annurev.biochem.72.121801.161712. PMID: 12543708.; Javitt NB. Cholesterol, Hydroxycholesterols, and Bile Acids. Biochemical and Biophysical Research Communications. 2002 Apr;292(5):1147–53. doi: 10.1006/bbrc.2001.2013.; Björkhem I, Lütjohann D, Diczfalusy U, Ståhle L, Ahlborg G, Wahren J. Cholesterol homeostasis in human brain: turnover of 24S-hydroxycholesterol and evidence for a cerebral origin of most of this oxysterol in the circulation. Journal of Lipid Research. 1998 Aug;39(8):1594–600. doi: 10.1016/s0022-2275(20)32188-x.

Metabolites



Enzyme

EC Number name full name note
1.1.1.-
1.1.1.181 cholest-5-ene-3beta,7alpha-diol 3beta-dehydrogenase cholest-5-ene-3beta,7alpha-diol:NAD+ 3-oxidoreductase
1.14.15.15 cholestanetriol 26-monooxygenase 5beta-cholestane-3alpha,7alpha,12alpha-triol,adrenodoxin:oxygen oxidoreductase (26-hydroxylating)
1.3.1.3 DELTA4-3-oxosteroid 5beta-reductase 5beta-cholestan-3-one:NADP+ 4,5-oxidoreductase
5.1.99.4 alpha-methylacyl-CoA racemase 2-Methylacyl-CoA 2-epimerase
6.2.1.15 arachidonate-CoA ligase arachidonate:CoA ligase (AMP-forming)
6.2.1.24 phytanate-CoA ligase phytanate:CoA ligase (AMP-forming)
6.2.1.3 long-chain-fatty-acid-CoA ligase long-chain fatty acid:CoA ligase (AMP-forming)
6.2.1.7 cholate-CoA ligase cholate:CoA ligase (AMP-forming)


Proteins

Protein ID name full name