CHEBI:1146900
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
1,327 compounds within 3 steps: 109 in 1, 446 in 2, 772 in 3
Three steps
- acyl-CoA:sphingosine N-acyltransferase
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + sphing-4-enine = 1-O-hexadecyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine + H(+)
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + N-(acetyl)-sphing-4-enine = 2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatus
- acyl-CoA:sphingosine N-acyltransferase
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + sphing-4-enine = 1-O-hexadecyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine + H(+)
- 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphoethanolamine + N-(acetyl)-sphing-4-enine = 2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatus
- acyl-CoA:sphingosine N-acyltransferase
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + sphing-4-enine = 1-O-hexadecyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine + H(+)
- 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoethanolamine + N-(acetyl)-sphing-4-enine = 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatus
- acyl-CoA:sphingosine N-acyltransferase
- N-dodecanoylsphing-4-enine + H2O = dodecanoate + sphing-4-enine
- beta-D-glucosyl-N-dodecanoylsphing-4-enine + cholesterol = N-dodecanoylsphing-4-enine + cholesteryl 3-beta-D-glucoside
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatus
- long-chain-fatty-acid-CoA ligase (behenic acid)
- Docosanoyl-CoA hydrolase
- Fatty Acid Omega Oxidation by Hydroxylases (C22->C22Dc), Endoplasmatic Reticulum
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 8 morecytosol, endoplasmic reticulum
- acyl-CoA:sphingosine N-acyltransferase
- N-(15Z-tetracosenoyl)-sphing-4-enine + H2O = (15Z)-tetracosenoate + sphing-4-enine
- beta-D-glucosyl-(1<->1')-N-(15Z-tetracosenoyl)-sphing-4-enine + cholesterol = N-(15Z-tetracosenoyl)-sphing-4-enine + cholesteryl 3-beta-D-glucoside
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 moreGolgi apparatus
- acyl-CoA:sphingosine N-acyltransferase
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + sphing-4-enine = 1-O-hexadecyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine + H(+)
- a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol) + N-(acetyl)-sphing-4-enine = 2-acyl-sn-glycero-3-phospho-(1'-sn-glycerol) + 1-O-acyl-N-(acetyl)-sphing-4-enine
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatusOne of 3 routes
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- D-serine(out) + L-alanine(in) = D-serine(in) + L-alanine(out)
- D-serine = 2-aminoprop-2-enoate + H2O
Catalysed by SLC7A10, SRRmitochondrial matrix, inner side of the membrane, outer side of the membrane
- acyl-CoA:sphingosine N-acyltransferase
- a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
- 1-O-alkyl-2-acyl-sn-glycerol + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-alkyl-2,3-diacyl-sn-glycerol + a 2-acyl-sn-glycero-3-phosphocholine
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatusOne of 2 routes
Catalysed by CPT1A, CPT1C, CPT1B, CYP1A1 and 26 morecytosol, endoplasmic reticulumOne of 7 routes
- Carnitine O-Palmitoyltransferase
- Utilized Transport
- (5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = 11,12-epoxy-(5Z,8Z,14Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by CPT1A, CPT1C, CPT1B, CYP2C9cytosol, endoplasmic reticulum
- Carnitine O-Palmitoyltransferase
- Utilized Transport
- (5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = 19-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by CPT1A, CPT1C, CPT1B, CYP1A1 and 4 morecytosol, endoplasmic reticulum
- long-chain-fatty-acid-CoA ligase (lauric acid)
- Lauroyl-CoA hydrolase
- lauric acid[r] + O2[r] + FMNH2[r] = FMN[r] + H2O[r] + 11-hydroxydodecanoate[r]
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 9 morecytosol, endoplasmic reticulumOne of 3 routes
- long-chain-fatty-acid-CoA ligase (EPA)
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoA hydrolase
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = (17R,18S)-epoxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 14 morecytosol
- long-chain-fatty-acid-CoA ligase (EPA)
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoA hydrolase
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = (17S,18R)-epoxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 10 morecytosol
- long-chain-fatty-acid-CoA ligase (EPA)
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoA hydrolase
- EPA[r] + O2[r] + FMNH2[r] = FMN[r] + H2O[r] + 19-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate[r]
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 8 morecytosol, endoplasmic reticulumOne of 3 routes
- long-chain-fatty-acid-CoA ligase (EPA)
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoA hydrolase
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 10 morecytosol
- long-chain-fatty-acid-CoA ligase (DHA)
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA hydrolase
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 22-hydroxy-(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 10 morecytosol
- long-chain-fatty-acid-CoA ligase (myristic acid)
- Myristoyl-CoA hydrolase
- alkane 1-monooxygenase (myristic acid)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 11 morecytosolOne of 2 routes
- long-chain-fatty-acid-CoA ligase (stearate)
- glycerol-3-phosphate 1-O-acyltransferase (sn-glycerol-3-phosphate)
- 1-octadecanoyl-sn-glycero-3-phosphate + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphate + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 8 morecytosolOne of 2 routes
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- 1-octadecanoyl-sn-glycero-3-phosphate + (9Z,12Z)-octadecadienoyl-CoA = 1-octadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphate + CoA
- 1-octadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphate + H2O = 1-octadecanoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycerol + phosphate
- long-chain-fatty-acid-CoA ligase (stearate)
- Stearoyl-CoA hydrolase
- 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycerol + H2O = 2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-glycerol + octadecanoate + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 9 morecytosolOne of 2 routes
- acyl-CoA:sphingosine N-acyltransferase
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphocholine + an acyl-CoA = a 1-O-(1Z-alkenyl)-2-acyl-sn-glycero-3-phosphocholine + CoA
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphocholine + an acyl-CoA = a 1-O-(1Z-alkenyl)-2-acyl-sn-glycero-3-phosphocholine + CoA
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatusOne of 2 routes
- acyl-CoA:sphingosine N-acyltransferase
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphoethanolamine + an acyl-CoA = a 1-O-(1Z-alkenyl)-2-acyl-sn-glycero-3-phosphoethanolamine + CoA
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphoethanolamine + an acyl-CoA = a 1-O-(1Z-alkenyl)-2-acyl-sn-glycero-3-phosphoethanolamine + CoA
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 moreGolgi apparatus
- long-chain-fatty-acid-CoA ligase (stearate)
- octadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (9Z)-octadecenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphoethanolamine + (9Z)-octadecenoyl-CoA = 1-O-(1Z)-alkenyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphoethanolamine + CoA
- long-chain-fatty-acid-CoA ligase (stearate)
- octadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (9Z)-octadecenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = 1-O-(1Z)-alkenyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphocholine + CoA
- 1-O-(1Z)-alkenyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamineReach from here →
- long-chain-fatty-acid-CoA ligase (dihomo-gamma-linolenate)
- (8Z,11Z,14Z)-eicosatrienoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
- a 1-O-(1Z-alkenyl)-sn-glycero-3-phosphoethanolamine + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-O-(1Z)-alkenyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamine + CoA
- acyl-CoA:sphingosine N-acyltransferase
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + sphing-4-enine = 1-O-hexadecyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine + H(+)
- 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-N-(acetyl)-sphing-4-enine + 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moreGolgi apparatus
- Palmitate:CoA ligase (AMP-forming)
- formate dehydrogenase (palmitoyl-CoA)
- 1-hexadecanoylglycerone 3-phosphate + hexadecan-1-ol = 1-O-hexadecylglycerone 3-phosphate + hexadecanoate + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 7 morecytosol, peroxisomeOne of 2 routes
- acyl-CoA:sphingosine N-acyltransferase
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + sphing-4-enine = 1-O-hexadecyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine + H(+)
- 1-O-hexadecyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphate + choline + H(+)
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 4 moreGolgi apparatus
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- (9Z,12Z)-octadecadienoyl-CoA + H2O = (9Z,12Z)-octadecadienoate + CoA + H(+)
- (9Z,12Z)-octadecadienoate + AH2 + O2 = (9S)-hydroxy-(10E,12Z)-octadecadienoate + A + H2O
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 10 morecytosolOne of 3 routes
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- (9Z,12Z)-octadecadienoyl-CoA + H2O = (9Z,12Z)-octadecadienoate + CoA + H(+)
- (9Z,12Z)-octadecadienoate + reduced [NADPH--hemoprotein reductase] + O2 = (9R)-hydroxy-(10E,12Z)-octadecadienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 9 morecytosolOne of 3 routes
- long-chain-fatty-acid-CoA ligase (elaidate)
- (10Z)-heptadecenoic acid formation
- (10Z)-heptadecenoic acid formation
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 4 morecytosol, extracellular spaceOne of 12 routes
- long-chain-fatty-acid-CoA ligase (stearate)
- octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
- 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine = 2-octadecanoyl-sn-glycero-3-phosphocholine + N-hexadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + H(+)
- long-chain-fatty-acid-CoA ligase (stearate)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + octadecanoyl-CoA = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + CoA
- 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + L-serine = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + ethanolamine
- Palmitoyl-CoA:retinol O-acyltransferase
- 11-cis-retinol = 9-cis-retinol
- Retinol Dehydrogenase (9-Cis, NADPH)
Catalysed by DGAT1, LRAT, AWAT1, AWAT2 and 8 morecytosolOne of 4 routes
- 1-(1Z-octadecenyl)-2-(5Z,8Z,11Z,14Z- eicosatetraenoyl)-sn-glycero-3-phosphoethanolamineReach from here →
- long-chain-fatty-acid-CoA ligase (stearate)
- 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
- 1-(1Z-octadecenyl)-sn-glycero-3-phosphoethanolamine + 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine = 1-(1Z-octadecenyl)-2-(5Z,8Z,11Z,14Z- eicosatetraenoyl)-sn-glycero-3-phosphoethanolamine + 1-octadecanoyl-sn-glycero-3-phosphocholine
- Carnitine O-Palmitoyltransferase
- Utilized Transport
- (9Z)-octadecenoate + reduced [NADPH--hemoprotein reductase] + O2 = 18-hydroxy-(9Z)-octadecenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
Catalysed by CPT1A, CPT1C, CPT1B, CYP4A11 and 1 morecytosol, endoplasmic reticulum
- N-acetyl-LTE4 to leukotriene E4 conversion
- transport of GSH and leukotriene E4 (cytosol to extracellular)
- transport of GSH and ursodeoxycholate (cytosol to extracellular)
Catalysed by ZDHHC11B, NAA10, ESCO2, ESCO1 and 31 morecytosol, extracellular spaceOne of 4 routes