1-hexadecanoyl-sn-glycero-3-phosphocholine

Three steps

• an N-acylsphing-4-enineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine = 1,2-dihexadecanoyl-sn-glycerol + a sphingomyelin
  3. ceramide cholinephosphotransferase (CDP-choline)

  Catalysed by PRDX6, LPCAT3, LPCAT1, SGMS2endoplasmic reticulumOne of 10 routes

• 3,3',5-triiodo-L-thyronineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. choline + A = betaine aldehyde + AH2
  3. 3,3',5-triiodo-L-thyronine + iodide + A + H(+) = L-thyroxine + AH2

  Catalysed by ENPP2, GDPD3, GDPD1, CHDH and 2 more

• 1,2,3-tri-(9Z-octadecenoyl)-glycerolReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoate + H(+)
  3. 1,2-di-(9Z-octadecenoyl)-glycerol + (9Z)-octadecenoate + H(+) = 1,2,3-tri-(9Z-octadecenoyl)-glycerol + H2O

  Catalysed by LPCAT3, MBOAT1, MBOAT2, LPCAT2 and 22 more

• 1-O-hexadecyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycerol + phosphocholine + H(+)
  2. phosphocholine + CTP + H(+) = CDP-choline + diphosphate
  3. 1-O-hexadecyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol + CDP-choline = 1-O-hexadecyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + CMP + H(+)

  Catalysed by SMPD2, ENPP6, ENPP7, SMPD3 and 3 more

• 3,3',5'-triiodo-L-thyronineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. choline + A = betaine aldehyde + AH2
  3. 3,3',5'-triiodo-L-thyronine + iodide + A + H(+) = L-thyroxine + AH2

  Catalysed by ENPP2, GDPD3, GDPD1, CHDH and 2 more

• glycineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. glycine N-acyltransferase (N-arachidonoylglycine)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 3 morecytosol, mitochondrial matrixOne of 13 routes

• (R)-methylmalonyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. aldehyde dehydrogenase (2-methyl-3-oxopropanoate)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 1 morecytosol, mitochondrial matrixOne of 2 routes

• (S)-methylmalonyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. (S)-methylmalonyl-CoA hydrolase

  Catalysed by ENPP2, GDPD3, GDPD1, CHATcytosol, mitochondrial matrix

• 3'-dephospho-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. acid phosphatase 2, lysosomal (CoA)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 1 morecytosol, lysosomeOne of 2 routes

• (2E)-dodecenoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. (2E)-dodecenoyl-CoA formation

  Catalysed by ENPP2, GDPD3, GDPD1, CHATcytosol, mitochondrial matrixOne of 3 routes

• 4,8,12-trimethyltridecanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. propanoyl-CoA C-acyltransferase (3-ketopristanoyl-CoA)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 2 morecytosol, peroxisomeOne of 2 routes

• (6Z,9Z,12Z)-octadecatrienoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. long-chain-fatty-acid-CoA ligase (gamma-linolenate)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 8 morecytosolOne of 7 routes

• (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoAReach from here →
  1. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + ATP + CoA = (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + AMP + diphosphate

  Catalysed by LPCAT3, MBOAT7, PLA2G6, PLA2G1B and 22 more

• butanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. Butanoate:CoA ligase (AMP-forming)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 6 morecytosolOne of 9 routes

• dodecanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. long-chain-fatty-acid-CoA ligase (lauric acid)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 8 morecytosolOne of 9 routes

• glutaryl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. Production of Glutaryl Carnitine

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 3 morecytosolOne of 2 routes

• eicosanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. long-chain-fatty-acid-CoA ligase (eicosanoate)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 8 morecytosolOne of 12 routes

• itaconyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. Itaconate:CoA ligase (GDP-forming)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 3 morecytosol, mitochondrial matrixOne of 2 routes

• (9Z,12Z)-octadecadienoyl-CoAReach from here →
  1. (9Z,12Z)-octadecadienoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + H2O = (9Z,12Z)-octadecadienoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. (9Z,12Z)-octadecadienoate + ATP + CoA = (9Z,12Z)-octadecadienoyl-CoA + AMP + diphosphate

  Catalysed by LPCAT3, MBOAT2, LPCAT1, PLA2G6 and 15 moreOne of 14 routes

• tetradecanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. long-chain-fatty-acid-CoA ligase (myristic acid)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 8 morecytosolOne of 11 routes

• octanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. Octanoyl-CoA:L-carnitine O-octanoyltransferase

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 1 morecytosol, mitochondrial matrixOne of 20 routes

• (9Z)-octadecenoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoate + H(+)
  3. (9Z)-octadecenoate + ATP + CoA = (9Z)-octadecenoyl-CoA + AMP + diphosphate

  Catalysed by LPCAT3, MBOAT1, MBOAT2, LPCAT2 and 25 more

• phytanoyl-CoAReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. phytanate-CoA ligase

  Catalysed by ENPP2, GDPD3, GDPD1, CHATcytosolOne of 5 routes

• octadecanoyl-CoAReach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + H2O = octadecanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. long-chain-fatty-acid-CoA ligase (stearate)

  Catalysed by LPCAT3, PLAAT3, SLC27A2, ACSL4 and 5 morecytosolOne of 22 routes

• prostaglandin H2Reach from here →
  1. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. prostaglandin-endoperoxide synthase (arachidonate)

  Catalysed by LPCAT3, MBOAT7, PLA2G6, PLA2G1B and 13 morecytosolOne of 5 routes

• (15S)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. choline + A = betaine aldehyde + AH2
  3. (15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + AH2 = (15S)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + A + H2O

  Catalysed by ENPP2, GDPD3, GDPD1, CHDH and 3 more

• (12S)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoateReach from here →
  1. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (12S)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoate

  Catalysed by LPCAT3, MBOAT7, PLA2G6, PLA2G1B and 14 more

• (15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate

  Catalysed by LPCAT3, MBOAT7, PLA2G6, PLA2G1B and 14 more

• (5S)-hydroperoxy-(6E,8Z,11Z,14Z)-eicosatetraenoateReach from here →
  1. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (5S)-hydroperoxy-(6E,8Z,11Z,14Z)-eicosatetraenoate

  Catalysed by LPCAT3, MBOAT7, PLA2G6, PLA2G1B and 12 more

• leukotriene A4Reach from here →
  1. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = leukotriene A4 + H2O

  Catalysed by LPCAT3, MBOAT7, PLA2G6, PLA2G1B and 12 more

• (13S)-hydroperoxy-(9Z,11E)-octadecadienoateReach from here →
  1. (9Z,12Z)-octadecadienoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + H2O = (9Z,12Z)-octadecadienoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. (9Z,12Z)-octadecadienoate + O2 = (13S)-hydroperoxy-(9Z,11E)-octadecadienoate

  Catalysed by LPCAT3, MBOAT2, LPCAT1, PLA2G6 and 14 more

• N-acetyl-D-glucosamine 6-phosphateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + acetyl-CoA = 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphocholine + acetate + H(+)
  3. N-acetyl-D-glucosamine 6-phosphate + H2O = D-glucosamine 6-phosphate + acetate

  Catalysed by LPCAT2, LPCAT1, PLA2G7, AMDHD2

• a 1-acylglycerone 3-phosphateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. 1-hexadecanoyl-sn-glycero-3-phosphate + NADP(+) = 1-hexadecanoylglycerone 3-phosphate + NADPH + H(+)
  3. 1-hexadecanoylglycerone 3-phosphate + a long-chain fatty acid = a 1-acylglycerone 3-phosphate + hexadecanoate

  Catalysed by ENPP2, GDPD3, GDPD1, DHRS7B and 1 more

• (R)-2-hydroxyoctadecanoateReach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + H2O = octadecanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. octadecanoate + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (R)-2-hydroxyoctadecanoate + 2 Fe(III)-[cytochrome b5] + H2O

  Catalysed by LPCAT3, PLAAT3, FA2H

• ethanolamineReach from here →
  1. 1-octadecanoyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-octadecanoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine
  2. 1-octadecanoyl-sn-glycero-3-phosphoethanolamine + (9Z)-octadecenoyl-CoA = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + CoA
  3. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + L-serine = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + ethanolamine

  Catalysed by PLA2G4C, MBOAT1, MBOAT2, PTDSS2

• dihydroxyacetone phosphateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. 1-hexadecanoyl-sn-glycero-3-phosphate + H2O = sn-glycerol 3-phosphate + hexadecanoate + H(+)
  3. sn-glycerol 3-phosphate + NAD(+) = dihydroxyacetone phosphate + NADH + H(+)

  Catalysed by ENPP2, GDPD3, GDPD1, LYPLA2 and 4 moreOne of 2 routes

• a 1,2-diacyl-sn-glycero-3-phosphocholineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + an N-acylsphing-4-enine = 1,2-dihexadecanoyl-sn-glycerol + a sphingomyelin
  3. an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = a sphingomyelin + a 1,2-diacyl-sn-glycerol

  Catalysed by PRDX6, LPCAT3, LPCAT1, SGMS2 and 1 moreOne of 2 routes

• sn-glycerol 1-phosphateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + hexadecanoate + H(+)
  2. sn-glycerol 3-phosphocholine + H2O = phosphocholine + glycerol + H(+)
  3. sn-glycerol 1-phosphate + H2O = glycerol + phosphate

  Catalysed by PLA2G6, LYPLA1, LYPLA2, PLA2G4B and 15 more

• guanidinoacetateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. transport of chloride and choline (cytosol to extracellular)
  3. Transport of Guanidinoacetic Acid

  Catalysed by ENPP2, GDPD3, GDPD1, SLC5A7extracellular space, cytosol

• sphing-4-enineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. acyl-CoA:sphingosine N-acyltransferase

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 4 morecytosol, Golgi apparatusOne of 4 routes

• spermidineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. diamine N-acetyltransferase (N1-acetylspermidine)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 2 morecytosolOne of 3 routes

• L-methionineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. N-acetylglutamate synthase (N-acetylmethionine)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 1 morecytosol, mitochondrial matrixOne of 7 routes

• L-tryptophanReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. transport of chloride and choline (cytosol to extracellular)
  3. Transport of L-Tryptophan by Atb0 Transporter

  Catalysed by ENPP2, GDPD3, GDPD1, SLC5A7 and 1 moreextracellular space, cytosolOne of 2 routes

• sphinganine 1-phosphateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + hexadecanoate + H(+)
  2. hexadecanoate + NADH + 2 H(+) = hexadecanal + NAD(+) + H2O
  3. Sphinganine-1-phosphate pamlmitaldehyde-lyase

  Catalysed by PLA2G6, LYPLA1, LYPLA2, PLA2G4B and 17 morecytosol

• beta-alanineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. transport of chloride and choline (cytosol to extracellular)
  3. transport of beta-alanine and chloride (cytosol to extracellular)

  Catalysed by ENPP2, GDPD3, GDPD1, SLC5A7 and 2 moreextracellular space, cytosolOne of 2 routes

• a 1-acyl-sn-glycero-3-phosphateReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. 1-hexadecanoyl-sn-glycero-3-phosphate + H2O = sn-glycerol 3-phosphate + hexadecanoate + H(+)
  3. sn-glycerol 3-phosphate + an acyl-CoA = a 1-acyl-sn-glycero-3-phosphate + CoA

  Catalysed by ENPP2, GDPD3, GDPD1, LYPLA2 and 6 more

• L-alanineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. amino-acid N-acetyltransferase (N-acetyl-L-alanine)

  Catalysed by ENPP2, GDPD3, GDPD1, CHATcytosol, mitochondrial matrixOne of 5 routes

• L-asparagineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. N-acetylglutamate synthase (N-acetyl-L-asparagine)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 1 morecytosol, mitochondrial matrixOne of 3 routes

• L-phenylalanineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. transport of chloride and choline (cytosol to extracellular)
  3. Transport of L-Phenylalanine by Atb0 Transporter

  Catalysed by ENPP2, GDPD3, GDPD1, SLC5A7 and 1 moreextracellular space, cytosolOne of 2 routes

• L,L-cystathionineReach from here →
  1. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  2. Acetyl-CoA:choline O-acetyltransferase
  3. N-acetylglutamate synthase (N-acetyl-L-cystathionine)

  Catalysed by ENPP2, GDPD3, GDPD1, CHAT and 1 morecytosol, mitochondrial matrix