1,2-diacyl-sn-glycero-3-phosphocholine(1+)

Three steps

• a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. a 1,2-diacyl-sn-glycerol + ATP = a 1,2-diacyl-sn-glycero-3-phosphate + ADP + H(+)
  3. a 1-acyl-sn-glycero-3-phosphate + a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol) = 1-acyl-sn-glycero-3-phospho-(1'-sn-glycerol) + a 1,2-diacyl-sn-glycero-3-phosphate

  Catalysed by SGMS1, SGMS2, DGKI, DGKA and 10 moreGolgi apparatus

• hexacosanoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (cerotic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 8 routes

• a 2-acyl-sn-glycerol 3-phosphateReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. a 1,2-diacyl-sn-glycerol + ATP = a 1,2-diacyl-sn-glycero-3-phosphate + ADP + H(+)
  3. a 1,2-diacyl-sn-glycero-3-phosphate + H2O = a 2-acyl-sn-glycerol 3-phosphate + a fatty acid + H(+)

  Catalysed by SGMS1, SGMS2, DGKI, DGKA and 10 moreGolgi apparatusOne of 2 routes

• tetracosanoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (lignocerate)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 16 routes

• docosanoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (behenic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 13 routes

• a 2,3-saturated acyl-CoAReach from here →
  1. phosphatidylserine synthase (PC-LD pool)
  2. choline + A = betaine aldehyde + AH2
  3. a 2,3-saturated acyl-CoA + A = a 2,3-dehydroacyl-CoA + AH2

  Catalysed by PTDSS1, CHDH, ACAD10cytosol

• a 2-acyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. CDP-ethanolamine + a 1,2-diacyl-sn-glycerol = a 1,2-diacyl-sn-glycero-3-phosphoethanolamine + CMP + H(+)
  3. a 1,2-diacyl-sn-glycero-3-phosphoethanolamine + H2O = a 2-acyl-sn-glycero-3-phosphoethanolamine + a fatty acid + H(+)

  Catalysed by SGMS1, SGMS2, SELENOI, CEPT1 and 1 moreGolgi apparatusOne of 2 routes

• an N-acylsphinganine-1-phosphocholineReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. N-acylsphingosine amidohydrolase
  3. an N-acylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = an N-acylsphinganine-1-phosphocholine + a 1,2-diacyl-sn-glycerol

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 21 moreendoplasmic reticulum, cytosolOne of 2 routes

• (22R)-hydroxycholesterolReach from here →
  1. Phosphatidylcholine:sterol O-acyltransferase
  2. a cholesterol ester + H2O = cholesterol + a fatty acid + H(+)
  3. 2 reduced [adrenodoxin] + cholesterol + O2 + 2 H(+) = (22R)-hydroxycholesterol + 2 oxidized [adrenodoxin] + H2O

  Catalysed by LCAT, CES1, LIPN, NCEH1 and 2 morecytosolOne of 2 routes

• all-trans-retinyl 9Z-octadecenoateReach from here →
  1. Lecithin Retinol Acyltransferase
  2. carboxylesterase (retinyl-ester)
  3. 1,2,3-tri-(9Z-octadecenoyl)-glycerol + all-trans-retinol = all-trans-retinyl 9Z-octadecenoate + di-(9Z)-octadecenoylglycerol

  Catalysed by LRAT, CES2, RBP4, LIPF and 17 morecytosol

• (2E)-octadecenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. Carnitine O-Palmitoyltransferase

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 21 moreendoplasmic reticulum, cytosolOne of 4 routes

• (6Z,9Z,12Z,15Z)-octadecatetraenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (stearidonic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 8 routes

• 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + H2O = sn-glycero-3-phospho-(1'-sn-glycerol) + (9Z)-octadecenoate + H(+)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space

• 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1D-myo-inositol) + H2O = 1-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + (9Z)-octadecenoate + H(+)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space

• 1,2-dihexadecanoyl-sn-glycero-3-phosphateReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine = 1,2-dihexadecanoyl-sn-glycerol + a sphingomyelin
  3. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1,2-dihexadecanoyl-sn-glycero-3-phosphate + choline + H(+)

  Catalysed by SGMS1, SGMS2, PLD2, PLD1Golgi apparatus

• N-dodecanoylsphing-4-enineReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. N-dodecanoylsphing-4-enine + H2O = dodecanoate + sphing-4-enine

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 18 moreendoplasmic reticulum, extracellular spaceOne of 3 routes

• N-tetradecanoylsphing-4-enineReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. N-tetradecanoylsphing-4-enine + H2O = sphing-4-enine + tetradecanoate

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 17 moreendoplasmic reticulum, extracellular space

• N-hexadecanoylsphing-4-enineReach from here →
  1. Phosphatidylcholine:sterol O-acyltransferase
  2. a cholesterol ester + H2O = cholesterol + a fatty acid + H(+)
  3. beta-D-glucosyl-(1<->1')-N-hexadecanoylsphing-4-enine + cholesterol = cholesteryl 3-beta-D-glucoside + N-hexadecanoylsphing-4-enine

  Catalysed by LCAT, CES1, LIPN, NCEH1 and 2 morecytosol

• N-octadecanoylsphing-4-enineReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. N-octadecanoylsphing-4-enine + H2O = sphing-4-enine + octadecanoate

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 17 moreendoplasmic reticulum, extracellular spaceOne of 2 routes

• 1-hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. Phosphatidylcholine:sterol O-acyltransferase
  2. a cholesterol ester + H2O = cholesterol + a fatty acid + H(+)
  3. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + cholesterol = cholesteryl (5Z,8Z,11Z,14Z)-eicosatetraenoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine

  Catalysed by LCAT, CES1, LIPN, NCEH1 and 1 morecytosolOne of 12 routes

• 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholineReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine = 1,2-dihexadecanoyl-sn-glycerol + a sphingomyelin
  3. 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine

  Catalysed by SGMS1, SGMS2, TAFAZZINGolgi apparatus

• an N-acylsphing-4-enine 1-phosphoethanolamineReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = a sphingomyelin + a 1,2-diacyl-sn-glycerol
  3. an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphoethanolamine = an N-acylsphing-4-enine 1-phosphoethanolamine + a 1,2-diacyl-sn-glycerol

  Catalysed by SGMS1, SGMS2, SAMD8Golgi apparatusOne of 2 routes

• (7Z,10Z,13Z,16Z)-docosatetraenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. (7Z,10Z,13Z,16Z)-docosatetraenoate + ATP + CoA = (7Z,10Z,13Z,16Z)-docosatetraenoyl-CoA + AMP + diphosphate

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space

• (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (EPA)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 12 routes

• (7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (DPA)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 8 routes

• (9Z,12Z,15Z)-octadecatrienoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (linolenate)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 9 routes

• (13Z)-docosenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (cis-erucic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 6 routes

• (11Z)-eicosenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (cis-gondoic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 9 routes

• (9Z,12Z,15Z,18Z,21Z)-tetracosapentaenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase ((9Z,12Z,15Z,18Z,21Z)-TPA)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 5 routes

• (6Z,9Z,12Z,15Z,18Z,21Z)-tetracosahexaenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase ((6Z,9Z,12Z,15Z,18Z,21Z)-THA)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 4 routes

• (15Z)-tetracosenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (nervonic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 8 routes

• (17Z)-hexacosenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (ximenic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 6 routes

• (8Z,11Z,14Z)-eicosatrienoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (dihomo-gamma-linolenate)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 7 routes

• (8Z,11Z,14Z,17Z)-eicosatetraenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (omega-3-arachidonic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 5 routes

• (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (DHA)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 10 routes

• heptadecanoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (margaric acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 6 routes

• (9Z)-heptadecenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (9-heptadecylenic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 5 routes

• (11Z,14Z,17Z)-eicosatrienoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase ((11Z,14Z,17Z)-eicosatrienoic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 5 routes

• N-(15Z-tetracosenoyl)-sphing-4-enineReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. N-(15Z-tetracosenoyl)-sphing-4-enine + H2O = (15Z)-tetracosenoate + sphing-4-enine

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 17 moreendoplasmic reticulum, extracellular spaceOne of 2 routes

• nonadecanoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (nonadecylic acid)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 26 moreendoplasmic reticulum, cytosolOne of 6 routes

• (11Z)-octadecenoyl-CoAReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. Acyl-CoA:1-acyl-sn-glycero-3-phosphocholine O-acyltransferase
  3. Transport of 11-Octadecenoyl Carnitine into the Mitochondrial Matrix

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 21 moreendoplasmic reticulum, cytosolOne of 3 routes

• (12R)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoateReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (12R)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoate

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space

• (8S)-hydroperoxy-(5Z,9E,11Z,14Z)-eicosatetraenoateReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. Arachidonate:oxygen 8-oxidoreductase

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space, cytosolOne of 2 routes

• 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycerolReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + H2O = 2-(9Z-octadecenoyl)-glycerol + octadecanoate + H(+)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space

• a 2,3-diacyl-sn-glycerolReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. an acyl-CoA + a 1,2-diacyl-sn-glycerol = a triacyl-sn-glycerol + CoA
  3. a triacyl-sn-glycerol + H2O = a 2,3-diacyl-sn-glycerol + a fatty acid + H(+)

  Catalysed by SGMS1, SGMS2, DGAT1, MOGAT2 and 5 moreGolgi apparatusOne of 2 routes

• 2-O-(5Z,8Z,11Z,14Z)-eicosatetraenylglycerolReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. fatty acid amide hydrolase (arachidonate)

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space, cytosol

• (R)-2-hydroxytetracosanoateReach from here →
  1. phosphatidylcholine 2-acylhydrolase
  2. (10Z)-heptadecenoic acid formation
  3. tetracosanoate + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (R)-2-hydroxytetracosanoate + 2 Fe(III)-[cytochrome b5] + H2O

  Catalysed by PLA2G10, PLA2G6, PLA2G1B, PLA2G4B and 15 moreendoplasmic reticulum, extracellular space

• di-(9Z)-octadecenoylglycerolReach from here →
  1. Lecithin Retinol Acyltransferase
  2. carboxylesterase (retinyl-ester)
  3. 1,2,3-tri-(9Z-octadecenoyl)-glycerol + all-trans-retinol = all-trans-retinyl 9Z-octadecenoate + di-(9Z)-octadecenoylglycerol

  Catalysed by LRAT, CES2, RBP4, LIPF and 17 morecytosol

• 2-hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine = 1,2-dihexadecanoyl-sn-glycerol + a sphingomyelin
  3. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + H2O = 2-hexadecanoyl-sn-glycero-3-phosphocholine + hexadecanoate + H(+)

  Catalysed by SGMS1, SGMS2, PLAAT3, PLA2G15 and 3 moreGolgi apparatusOne of 7 routes

• 1-O-alkyl-3-acylglycerolReach from here →
  1. ceramide:phosphatidylcholine cholinephosphotransferase
  2. an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = a sphingomyelin + a 1,2-diacyl-sn-glycerol
  3. 1-O-alkylglycerol + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-alkyl-3-acylglycerol + a 1-acyl-sn-glycero-3-phosphocholine

  Catalysed by SGMS1, SGMS2, PLA2G15Golgi apparatusOne of 2 routes