CHEBI:1307929
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
703 compounds within 3 steps: 18 in 1, 139 in 2, 546 in 3
Three steps
- cytochrome P450 (cholesterol)
- cytochrome P450 (pregnenolone)
- cytochrome P450 (17alpha-hydroxypregnenolone)
Catalysed by CYP11A1, CYP17A1mitochondrial matrix, cytosolOne of 4 routes
- cytochrome P450 (cholesterol)
- Pregnenolone:NAD+ 3-oxidoreductase
- progesterone + NADPH + H(+) = 5beta-pregnan-3,20-dione + NADP(+)
Catalysed by CYP11A1, HSD3B1, HSD3B2, AKR1D1mitochondrial matrix, cytosol
- Sterol O-Acyltransferase
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- (9Z,12Z)-octadecadienoyl-CoA + H2O = (9Z,12Z)-octadecadienoate + CoA + H(+)
Catalysed by SOAT2, SOAT1, SLC27A2, ACSL4 and 10 moreendoplasmic reticulum, cytosol
- Sterol O-Acyltransferase
- N1,N12-diacetylspermine to N1-acetylspermine conversion
- N1-acetylspermine:oxygen oxidoreductase (3-acetamidopropanal-forming)
Catalysed by SOAT2, SOAT1, PAOX, SMOXendoplasmic reticulum, cytosolOne of 4 routes
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- oxalate(in) + sulfate(out) = oxalate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 4 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
Catalysed by SOAT2, SOAT1, ACSS3, ACSS2 and 2 moreendoplasmic reticulum, cytosolOne of 3 routes
- Sterol O-Acyltransferase
- ATP citrate lyase (citrate)
- acetyl-CoA:oxaloacetate C-acetyltransferase (thioester-hydrolysing)
Catalysed by SOAT2, SOAT1, ACLY, CSendoplasmic reticulum, cytosol, mitochondrial matrixOne of 2 routes
Catalysed by SOAT2, SOAT1, ACSM4, ACSM1 and 5 moreendoplasmic reticulum, cytosol
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- maleate(in) + sulfate(out) = maleate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 1 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- transport of malonate and sulfate (cytosol to mitochondria)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A10cytosol, mitochondrial matrixOne of 2 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 14 routes
- Sterol O-Acyltransferase
- Activation of adipic acid for Formation of Adipoyl Carnitine
- Thioesterification of adipoyl-CoA for Release into Cytosol
Catalysed by SOAT2, SOAT1, ACOT8endoplasmic reticulum, cytosol, peroxisomeOne of 3 routes
- Cytochrome P450, Family 46, Subfamily A, Polypeptide 1
- a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine + (24S)-hydroxycholesterol = (24S)-24-hydroxycholesterol ester + 1-hexadecanoyl-sn-glycero-3-phosphocholine
- a 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + a 1-O-alkyl-sn-glycero-3-phosphocholine
Catalysed by SOAT2, SOAT1, CPT1A, CPT1C and 3 moreendoplasmic reticulum, cytosolOne of 5 routes
Catalysed by SOAT2, SOAT1, ACLY, GOT2endoplasmic reticulum, cytosol, mitochondrial matrix
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- (2R,3R)-tartrate(in) + sulfate(out) = (2R,3R)-tartrate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 1 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- (S,S)-tartrate(in) + sulfate(out) = (S,S)-tartrate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 1 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- (3R)-citramalate(in) + sulfate(out) = (3R)-citramalate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 1 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- (3S)-citramalate(in) + sulfate(out) = (3S)-citramalate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 1 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- Sterol O-Acyltransferase
- long-chain-fatty-acid-CoA ligase (behenic acid)
- docosanoyl-CoA + 2 NADPH + 2 H(+) = docosan-1-ol + 2 NADP(+) + CoA
Catalysed by SOAT2, SOAT1, SLC27A2, ACSL4 and 7 moreendoplasmic reticulum, cytosol
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 14 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 16 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- N-acylsphingosine amidohydrolase
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 12 morecytosolOne of 2 routes
- Sterol O-Acyltransferase
- long-chain-fatty-acid-CoA ligase (stearate)
- octadecanoyl-CoA + 2 NADPH + 2 H(+) = octadecan-1-ol + 2 NADP(+) + CoA
Catalysed by SOAT2, SOAT1, SLC27A2, ACSL4 and 7 moreendoplasmic reticulum, cytosol
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 16 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 20 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 13 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 16 routes
- Phosphatidylcholine:sterol O-acyltransferase
- 1-Acyl-sn-glycero-3-phosphocholine acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by LCAT, LYPLA1, LYPLA2, PLA2G4A and 7 morecytosol, extracellular spaceOne of 13 routes
- Sterol O-Acyltransferase
- diamine N-acetyltransferase (N1-acetylspermidine)
- S-adenosyl 3-(methylsulfanyl)propylamine + putrescine = S-methyl-5'-thioadenosine + spermidine + H(+)
Catalysed by SOAT2, SOAT1, SAT1, SAT2 and 1 moreendoplasmic reticulum, cytosolOne of 3 routes
- 3'-phosphoadenylyl-sulfate:cholesterol sulfotransferase
- Cholesterol-sulfate sulfohydrolase
- thiosulfate(in) + sulfate(out) = thiosulfate(out) + sulfate(in)
Catalysed by SULT2B1, SULT1A3, STS, SLC25A14 and 3 morecytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- Sterol O-Acyltransferase
- N-acetylglutamate synthase (N-acetylmethionine)
- L-Methionine:oxygen oxidoreductase (deaminating)
Catalysed by SOAT2, SOAT1, NAGS, IL4I1endoplasmic reticulum, mitochondrial matrix, cytosol
Catalysed by SOAT2, SOAT1, NAGS, NDUFAB1 and 6 moreendoplasmic reticulum, mitochondrial matrix
- Sterol O-Acyltransferase
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- D-cysteine(out) + L-alanine(in) = D-cysteine(in) + L-alanine(out)
Catalysed by SOAT2, SOAT1, SLC7A10endoplasmic reticulum, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- Sterol O-Acyltransferase
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- D-serine(out) + L-alanine(in) = D-serine(in) + L-alanine(out)
Catalysed by SOAT2, SOAT1, SLC7A10endoplasmic reticulum, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 6 routes
- Sterol O-Acyltransferase
- Acetyl-CoA:choline O-acetyltransferase
- an acylcholine + H2O = a carboxylate + choline + H(+)
Catalysed by SOAT2, SOAT1, CHAT, BCHEendoplasmic reticulum, nucleus
- Sterol O-Acyltransferase
- glycine N-acyltransferase (N-arachidonoylglycine)
- succinyl-CoA + glycine + H(+) = 5-aminolevulinate + CO2 + CoA
Catalysed by SOAT2, SOAT1, GLYAT, GLYATL2 and 3 moreendoplasmic reticulum, mitochondrial matrix
Catalysed by SOAT2, SOAT1, ACAA1, SCP2 and 4 moreendoplasmic reticulum, peroxisomeOne of 3 routes
- Sterol O-Acyltransferase
- glycine N-acyltransferase (N-arachidonoylglycine)
- chenodeoxycholoyl-CoA + glycine = glycochenodeoxycholate + CoA + H(+)
Catalysed by SOAT2, SOAT1, GLYAT, GLYATL2 and 2 moreendoplasmic reticulum, mitochondrial matrix
Catalysed by SOAT2, SOAT1, ACAA1, SCP2 and 2 moreendoplasmic reticulum, peroxisomeOne of 5 routes
- Sterol O-Acyltransferase
- cholate-CoA ligase (3alpha,12alpha-dihydroxy-5beta-cholanate)
- bile acid-CoA:amino acid N-acyltransferase (taurodeoxycholate)
Catalysed by SOAT2, SOAT1, SLC27A2, SLC27A5 and 1 moreendoplasmic reticulum, cytosolOne of 4 routes
- Sterol O-Acyltransferase
- Propanoyl-CoA:acetyl-CoA C-acyltransferase
- bile acid-CoA: amino acid N-acyltransferase
Catalysed by SOAT2, SOAT1, ACAA1, SCP2 and 2 moreendoplasmic reticulum, peroxisomeOne of 5 routes
- Sterol O-Acyltransferase
- glycine N-acyltransferase (N-arachidonoylglycine)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
Catalysed by SOAT2, SOAT1, GLYAT, GLYATL2 and 2 moreendoplasmic reticulum, mitochondrial matrixOne of 11 routes
- Sterol O-Acyltransferase
- acyl-CoA:sphingosine N-acyltransferase
- Acyl-CoA:1-alkyl-sn-glycero-3-phosphocholine O-acyltransferase
Catalysed by SOAT2, SOAT1, ASAH1, ACER2 and 6 moreendoplasmic reticulum, Golgi apparatus, cytosol
- cytochrome P450 (cholesterol)
- Pregnenolone:NAD+ 3-oxidoreductase
- 20alpha-Hydroxy-4-pregnen-3-one:NADP+ 20-oxidoreductase
Catalysed by CYP11A1, HSD3B1, HSD3B2, AKR1C1mitochondrial matrix, cytosol
- Sterol O-Acyltransferase
- Itaconate:CoA ligase (GDP-forming)
- (3S)-citramalyl-CoA hydro-lyase (itaconyl-CoA-forming)
Catalysed by SOAT2, SOAT1, SUCLG1, SUCLG2 and 2 moreendoplasmic reticulum, mitochondrial matrix
- Sterol O-Acyltransferase
- (3-Hydroxyisovalerylcoa->3-Hydroxyisovalerylcarnitine)
- Formation of 3-Hydroxy-Isovalerate
Catalysed by SOAT2, SOAT1, CPT1A, CPT1Bendoplasmic reticulum, cytosol, mitochondrial matrix
Catalysed by SOAT2, SOAT1, ACOT2endoplasmic reticulum, cytosol, peroxisomeOne of 3 routes
Catalysed by SOAT2, SOAT1, ASAH1, ACER2 and 5 moreendoplasmic reticulum, Golgi apparatus, cytosolOne of 2 routes