MetaCyc Pathway: bile acid biosynthesis, neutral pathway in Rhodosporidium toruloides IFO0880

Add experiment(s):


cholesterol + dioxygen + a reduced [NADPH-hemoprotein reductase]→7α-hydroxycholesterol + an oxidized [NADPH-hemoprotein reductase] + H2O (EC 1.14.14.23)
No genes
Cholest-5-ene-3-beta,7-alpha-diol 3-beta-dehydrogenase:
7α-hydroxycholesterol + NAD+→7α-hydroxycholest-4-en-3-one + NADH + H+
(EC 1.1.1.181)
No genes
7α-hydroxycholest-4-en-3-one + dioxygen + a reduced [NADPH-hemoprotein reductase]→7α,12α-dihydroxycholest-4-en-3-one + an oxidized [NADPH-hemoprotein reductase] + H2O (EC 1.14.14.139)
No genes
Delta(4)-3-oxosteroid 5-beta-reductase:
7α-hydroxycholest-4-en-3-one + NADPH + H+→7α-hydroxy-5β-cholestan-3-one + NADP+
(EC 1.3.1.3)
No genes
Delta(4)-3-oxosteroid 5-beta-reductase:
7α,12α-dihydroxycholest-4-en-3-one + NADPH + H+→7α,12α-dihydroxy-5β-cholestan-3-one + NADP+
(EC 1.3.1.3)
No genes
3-alpha-hydroxysteroid dehydrogenase (A-specific) (in reverse):
7α-hydroxy-5β-cholestan-3-one + NAD(P)H + H+→5β-cholestane-3α,7α-diol + NAD(P)+
(EC 1.1.1.213)
No genes
3-alpha-hydroxysteroid dehydrogenase (A-specific) (in reverse):
7α,12α-dihydroxy-5β-cholestan-3-one + NAD(P)H + H+→5β-cholestane-3α,7α,12α-triol + NAD(P)+
(EC 1.1.1.213)
No genes
5β-cholestane-3α,7α-diol + dioxygen + 2 H+ + 2 a reduced adrenodoxin→(25R)-5β-cholestane-3α,7α,26-triol + 2 an oxidized adrenodoxin + H2O (EC 1.14.15.15)
No genes
5β-cholestane-3α,7α,12α-triol + dioxygen + 2 H+ + 2 a reduced adrenodoxin→(25R)-5β-cholestane-3α,7α,12α,26-tetraol + 2 an oxidized adrenodoxin + H2O (EC 1.14.15.15)
No genes
(25R)-5β-cholestane-3α,7α,26-triol + dioxygen + 2 H+ + 2 a reduced adrenodoxin→(25R)-3α,7α-dihydroxy-5β-cholestan-26-al + 2 an oxidized adrenodoxin + 2 H2O (EC 1.14.15.15)
No genes
(25R)-5β-cholestane-3α,7α,12α,26-tetraol + dioxygen + 2 H+ + 2 a reduced adrenodoxin→(25R)-3α,7α,12α-trihydroxy-5β-cholestan-26-al + 2 an oxidized adrenodoxin + 2 H2O (EC 1.14.15.15)
No genes
(25R)-3α,7α-dihydroxy-5β-cholestan-26-al + dioxygen + H+ + 2 a reduced adrenodoxin→(25R)-3α,7α-dihydroxy-5-β-cholestanate + 2 an oxidized adrenodoxin + H2O (EC 1.14.15.15)
No genes
(25R)-3α,7α,12α-trihydroxy-5β-cholestan-26-al + dioxygen + H+ + 2 a reduced adrenodoxin→(25R)-3α,7α,12α-trihydroxy-5β-cholestan-26-oate + 2 an oxidized adrenodoxin + H2O (EC 1.14.15.15)
No genes
3-alpha,7-alpha-dihydroxy-5-beta-cholestanate--CoA ligase:
(25R)-3α,7α-dihydroxy-5-β-cholestanate + ATP + coenzyme A→(25R)-3α,7α-dihydroxy-5β-cholestanoyl-CoA + AMP + diphosphate
(EC 6.2.1.28)
No genes
Cholate--CoA ligase:
(25R)-3α,7α,12α-trihydroxy-5β-cholestan-26-oate + ATP + coenzyme A→(25R)-3α,7α,12α-trihydroxy-5β-cholestanoyl-CoA + AMP + diphosphate
(EC 6.2.1.7)
No genes
Alpha-methylacyl-CoA racemase (in reverse):
(25R)-3α,7α-dihydroxy-5β-cholestanoyl-CoA→(25S)-3α,7α-dihydroxy-5β-cholestanoyl-CoA
(EC 5.1.99.4)
mRNA_248 (8616)
Alpha-methylacyl-CoA racemase (in reverse):
(25R)-3α,7α,12α-trihydroxy-5β-cholestanoyl-CoA→(25S)-3α,7α,12α-trihydroxy-5β-cholestanoyl-CoA
(EC 5.1.99.4)
mRNA_248 (8616)
(25S)-3α,7α-dihydroxy-5β-cholestanoyl-CoA + an oxidized unknown electron carrier→(24E)-3α,7α-dihydroxy-5β-cholest-24-enoyl-CoA + a reduced unknown two electron carrier
No genes
(25S)-3α,7α,12α-trihydroxy-5β-cholestanoyl-CoA + an oxidized unknown electron carrier→(24E)-3α,7α,12α-trihydroxy-5β-cholest-24-enoyl-CoA + a reduced unknown two electron carrier
No genes
hydratase:
(24E)-3α,7α-dihydroxy-5β-cholest-24-enoyl-CoA + H2O→(24R,25R)-3α,7α,24-trihydroxy-5β-cholestanoyl CoA
(EC 4.2.1.107)
No genes
hydratase (in reverse):
(24E)-3α,7α,12α-trihydroxy-5β-cholest-24-enoyl-CoA + H2O→(24R,25R)-3α,7α,12α,24-tetrahydroxy-5β-cholestanoyl CoA
(EC 4.2.1.107)
No genes
(24R,25R)-3α,7α,24-trihydroxy-5β-cholestanoyl CoA + NAD+→3α,7α-dihydroxy-24-oxo-5β-cholestanoyl CoA + NADH + H+
No genes
(24R,25R)-3α,7α,12α,24-tetrahydroxy-5β-cholestanoyl CoA + NAD+→3α,7α,12α-trihydroxy-24-oxo-5-β-cholestanoyl CoA + NADH + H+
No genes
Propanoyl-CoA C-acyltransferase (in reverse):
3α,7α-dihydroxy-24-oxo-5β-cholestanoyl CoA + coenzyme A→chenodeoxycholoyl-CoA + propanoyl-CoA
(EC 2.3.1.176)
mRNA_5687 (14055)
Propanoyl-CoA C-acyltransferase (in reverse):
3α,7α,12α-trihydroxy-24-oxo-5-β-cholestanoyl CoA + coenzyme A→choloyl-CoA + propanoyl-CoA
(EC 2.3.1.176)
mRNA_5687 (14055)
Bile acid-CoA:amino acid N-acyltransferase:
chenodeoxycholoyl-CoA + glycine→glycochenodeoxycholate + coenzyme A + H+
(EC 2.3.1.65)
No genes
Bile acid-CoA:amino acid N-acyltransferase:
chenodeoxycholoyl-CoA + taurine→taurochenodeoxycholate + coenzyme A + H+
(EC 2.3.1.65)
No genes
Bile acid-CoA:amino acid N-acyltransferase:
choloyl-CoA + glycine→glycocholate + coenzyme A + H+
(EC 2.3.1.65)
No genes
Bile acid-CoA:amino acid N-acyltransferase:
choloyl-CoA + taurine→taurocholate + coenzyme A + H+
(EC 2.3.1.65)
No genes

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information