CDP-choline
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
476 compounds within 3 steps: 13 in 1, 70 in 2, 393 in 3
Three steps
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
- 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
Catalysed by CHPT1, CEPT1, PLA2G15, ENPP2 and 2 moreOne of 2 routes
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 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
- 1-(1Z-octadecenyl)-2-(5Z,8Z,11Z,14Z- eicosatetraenoyl)-sn-glycero-3-phosphoethanolamine + L-serine = 1-(1Z-octadecenyl)-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phospho-L-serine + ethanolamine
- 1-O-hexadecyl-2-acetyl-sn-glycerol + CDP-choline = 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + CMP + H(+)
- 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(+)
- N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
- a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + CoA
Catalysed by CHPT1, CEPT1, LPGAT1, LCLAT1 and 1 moreOne of 5 routes
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
- sn-glycerol 3-phosphate + an acyl-CoA = a 1-acyl-sn-glycero-3-phosphate + CoA
Catalysed by CHPT1, CEPT1, LPGAT1, GPAT3 and 3 moreOne of 3 routes
- 1-O-alkyl-2-acyl-sn-glycerol + CDP-choline = a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine + H2O = a 1-O-alkyl-sn-glycero-3-phosphocholine + a fatty acid + H(+)
- a 1-O-alkyl-sn-glycero-3-phosphocholine + H2O = a 1-O-alkyl-sn-glycero-3-phosphate + choline + H(+)
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-glycero-3-phosphocholine + a fatty acid + H(+)
- a 1-acyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = a 1-acyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphocholine + CoA
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
- L-serine + hexadecanoyl-CoA + H(+) = 3-oxosphinganine + CO2 + CoA
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
- dihydroxyacetone phosphate + hexadecanoyl-CoA = 1-hexadecanoylglycerone 3-phosphate + CoA
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1,2-diacyl-sn-glycero-3-phosphate + choline + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphate + CTP + H(+) = a CDP-1,2-diacyl-sn-glycerol + diphosphate
Catalysed by CHPT1, CEPT1, PLD2, PLD1 and 4 moreOne of 2 routes
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate)(out) + a 1,2-diacyl-sn-glycero-3-phosphocholine(in) = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate)(in) + a 1,2-diacyl-sn-glycero-3-phosphocholine(out)
- a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate) + ATP = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-4,5-bisphosphate) + ADP + H(+)
Catalysed by CHPT1, CEPT1, OSBPL3, PIP5K1B and 2 moreinner side of the membrane, outer side of the membrane
- 1-O-alkyl-2-acyl-sn-glycerol + CDP-choline = a 1-O-alkyl-2-acyl-sn-glycero-3-phosphocholine + CMP + H(+)
- plasmanylcholine 2-acylhydrolase
- (10Z)-heptadecenoic acid formation
Catalysed by CEPT1, PLA2G10, PLA2G6, PLA2G1B and 15 morecytosol, extracellular spaceOne of 12 routes
- 1-O-hexadecyl-2-acetyl-sn-glycerol + CDP-choline = 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
- an N-acetyl-L-cysteine-S-conjugate + H2O = an S-substituted L-cysteine + acetate
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-octadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
- N-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-glycine + H2O = (5Z,8Z,11Z,14Z)-eicosatetraenoate + glycine
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-glycero-3-phosphocholine + a fatty acid + H(+)
- (9Z,12Z)-octadecadienoyl-CoA + a 1-acyl-sn-glycero-3-phosphocholine = 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-N-(acetyl)-sphing-4-enine + 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine
- 2 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine = 1,2-di-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + sn-glycerol 3-phosphocholine
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
- hexadecanoyl-CoA + O2 = (2E)-hexadecenoyl-CoA + H2O2
Catalysed by CHPT1, CEPT1, LPGAT1, ACOX3 and 2 moreOne of 2 routes
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-octadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
- cytochrome P450 (arachidonate)
Catalysed by CHPT1, PLA2G10, PLA2G6, PLA2G4A and 1 moreendoplasmic reticulumOne of 2 routes
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + L-serine = a 1,2-diacyl-sn-glycero-3-phospho-L-serine + choline
- a 1,2-diacyl-sn-glycero-3-phospho-L-serine + N-(acetyl)-sphing-4-enine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phospho-L-serine
- 1-O-hexadecyl-2-acetyl-sn-glycerol + CDP-choline = 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + CMP + H(+)
- 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(+)
- N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
- a 1-acyl-sn-glycero-3-phosphoethanolamine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphoethanolamine + CoA
Catalysed by CHPT1, CEPT1, LPGAT1, LPCAT4 and 3 moreOne of 4 routes
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
- an acyl-CoA + a 1,2-diacyl-sn-glycerol = a triacyl-sn-glycerol + CoA
Catalysed by CHPT1, CEPT1, LPGAT1, DGAT1 and 5 moreOne of 2 routes
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
- 1-acyl-sn-glycero-3-phospho-(1'-sn-glycerol) + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA
Catalysed by CHPT1, CEPT1, LPGAT1, LCLAT1 and 2 moreOne of 4 routes
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-glycero-3-phosphocholine + a fatty acid + H(+)
- 1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl-sn-glycero-3-phospho]-glycerol + a 1,2-diacyl-sn-glycero-3-phosphocholine = a cardiolipin + a 1-acyl-sn-glycero-3-phosphocholine
Catalysed by CHPT1, CEPT1, PLA2G10, PLA2G6 and 29 moreOne of 3 routes
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
- 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphate + CoA
- 1-O-hexadecyl-2-acetyl-sn-glycerol + CDP-choline = 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + CMP + H(+)
- 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 = 1-O-acyl-N-(acetyl)-sphing-4-enine + 1-acyl-sn-glycero-3-phospho-(1'-sn-glycerol)
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
- a 1-acyl-sn-glycero-3-phosphate + hexadecanoyl-CoA = 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphate + CoA
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphocholine
- a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + 1-hexadecanoyl-sn-glycero-3-phosphocholine = a 1-acyl-2-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + sn-glycerol 3-phosphocholine
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 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
- a 2-acyl-sn-glycero-3-phospho-D-myo-inositol + octadecanoyl-CoA = 1-octadecanoyl-2-acyl-sn-glycero-3-phospho-1D-myo-inositol + CoA
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 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
- octadecanoyl-CoA + L-serine + H(+) = 3-oxoeicosasphinganine + CO2 + CoA
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = phosphocholine + a 1,2-diacyl-sn-glycerol + H(+)
- N-hexadecanoyl-(4R)-hydroxysphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-(4R)-hydroxysphinganine-phosphocholine + a 1,2-diacyl-sn-glycerol
Catalysed by CHPT1, CEPT1, SMPD1, SGMS1 and 1 moreOne of 3 routes
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 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
- very-long-chain 3-oxoacyl-CoA synthase (malonyl-CoA)
Catalysed by CHPT1, LPGAT1, ELOVL7, ELOVL1 and 5 morecytosolOne of 2 routes
- 1-O-hexadecyl-2-acetyl-sn-glycerol + CDP-choline = 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + CMP + H(+)
- 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(+)
- N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 2-acyl-sn-glycero-3-phosphoethanolamine
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + L-serine = a 1,2-diacyl-sn-glycero-3-phospho-L-serine + choline
- a 1,2-diacyl-sn-glycero-3-phospho-L-serine + H2O = a 2-acyl-sn-glycero-3-phospho-L-serine + a fatty acid + H(+)
Catalysed by CHPT1, CEPT1, PTDSS1, PLA1A and 2 moreOne of 3 routes
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 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
- sphinganine + octadecanoyl-CoA = N-(octadecanoyl)-sphinganine + CoA + H(+)
- CDP-choline + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphocholine + CMP + H(+)
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = phosphocholine + a 1,2-diacyl-sn-glycerol + H(+)
- N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + a 1,2-diacyl-sn-glycerol
Catalysed by CHPT1, CEPT1, SMPD1, SGMS1 and 1 moreOne of 3 routes
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
- hexadecanoyl-CoA + malonyl-CoA + H(+) = 3-oxooctadecanoyl-CoA + CO2 + CoA
- 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 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
- stearoyl-CoA desaturase (N-C18:0CoA -> N-C18:1CoA)
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP + H(+)
- 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine = N,1,2-tri-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
- N,1,2-tri-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + H2O = N-(9Z-octadecenoyl) ethanolamine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphate + H(+)