1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine

Three steps

• a 1,2-diacyl-sn-glycero-3-phospho-L-serineReach from here →
  1. 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(+)
  2. 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
  3. a 1-acyl-sn-glycero-3-phospho-L-serine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phospho-L-serine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4, LPCAT3 and 1 more

• a 3-acylpyruvateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. a 3-acylpyruvate + H2O = a carboxylate + pyruvate + H(+)

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

• acetoacetyl-CoAReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and acetoacetate (cytosol to extracellular)
  3. acetoacetate + ATP + CoA = acetoacetyl-CoA + AMP + diphosphate

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosolOne of 2 routes

• butanoyl-CoAReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and butyrate (cytosol to extracellular)
  3. Butanoate:CoA ligase (AMP-forming)

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 13 moreextracellular space, cytosolOne of 2 routes

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

  Catalysed by PAFAH2, PLA2G15, ENPP2, GDPD3 and 1 moreOne of 2 routes

• sn-glycerol 3-phosphateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. 1-O-hexadecyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-O-hexadecyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + sn-glycerol 3-phosphocholine
  3. sn-glycerol 3-phosphocholine + H2O = sn-glycerol 3-phosphate + choline + H(+)

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 6 more

• ethanolamineReach from here →
  1. 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(+)
  2. 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine
  3. 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + ethanolamine + H(+)

  Catalysed by PAFAH2, PLA2G15, GDPD1One of 2 routes

• a 1,2-diacyl-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, PRDX6, LPCAT4 and 5 moreOne of 6 routes

• 2-oxo-3-sulfanylpropanoateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. 2-oxo-3-sulfanylpropanoate + [thioredoxin]-dithiol = [thioredoxin]-disulfide + hydrogen sulfide + pyruvate + H(+)

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

• 2-methyl-3-oxopropanoateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (R)-3-amino-2-methylpropanoate + pyruvate = 2-methyl-3-oxopropanoate + L-alanine

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

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

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 5 more

• spermidineReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. N(8)-acetylspermidine + H2O = spermidine + acetate
  3. N8-acetylspermidine to spermidine conversion

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 4 morecytosolOne of 2 routes

• L-methionineReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. N(1)-methylguanosine(37) in tRNA(Phe) + pyruvate + S-adenosyl-L-methionine = 4-demethylwyosine(37) in tRNA(Phe) + 5'-deoxyadenosine + L-methionine + CO2 + H2O

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 10 moreextracellular space, cytosol

• a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + a 1-acyl-sn-glycero-3-phosphocholine = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + sn-glycerol 3-phosphocholine

  Catalysed by PAFAH2, PLA2G15, ASPG

• a 1-acyl-sn-glycero-3-phosphateReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. a 1-acyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-glycero-3-phosphate + choline + H(+)

  Catalysed by PAFAH2, PLA2G15, ENPP2One of 4 routes

• L-alanineReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol, mitochondrial matrixOne of 18 routes

• glycerol 2-phosphateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. 1-O-hexadecyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-O-hexadecyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + sn-glycerol 3-phosphocholine
  3. Glycerophosphocholine Phosphodiesterase

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 5 morecytosol

• a 1-acyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. a 1-acyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = a 1-acyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4

• cadaverineReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. N-acetylcadaverine + H2O = cadaverine + acetate
  3. N-acetylcadaverine + H2O = cadaverine + acetate

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 4 more

• (3S)-citramalyl-CoAReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (3S)-citramalyl-CoA = pyruvate + acetyl-CoA

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

• an S-substituted L-cysteineReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. an N-acetyl-L-cysteine-S-conjugate + H2O = an S-substituted L-cysteine + acetate
  3. an N-acetyl-L-cysteine-S-conjugate + H2O = an S-substituted L-cysteine + acetate

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 4 more

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

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 5 moreOne of 2 routes

• CDP-cholineReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. 1-O-hexadecyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycerol + phosphocholine + H(+)
  3. phosphocholine + CTP + H(+) = CDP-choline + diphosphate

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 6 moreOne of 2 routes

• 5-amino-2-oxopentanoateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. L-ornithine + pyruvate = 5-amino-2-oxopentanoate + L-alanine

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

• 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. (9Z,12Z)-octadecadienoyl-CoA + a 1-acyl-sn-glycero-3-phosphocholine = 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• sphing-4-enine 1-phosphateReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. sphing-4-enine + ATP = sphing-4-enine 1-phosphate + ADP + H(+)

  Catalysed by PAFAH2, ASAH1, SPHK2, SPHK1

• 1,2-di-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-hexadecanoyl-N-(acetyl)-sphing-4-enine + 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine
  3. 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

  Catalysed by PAFAH2, PLA2G15, ASPG

• (4R)-4-hydroxy-2-oxoglutarateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (4R)-4-hydroxy-2-oxoglutarate = glyoxylate + pyruvate

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

• a 1,2-diacyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. a 1-acyl-sn-glycero-3-phosphoethanolamine + a 1-acyl-sn-glycero-3-phosphocholine = sn-glycerol 3-phosphocholine + a 1,2-diacyl-sn-glycero-3-phosphoethanolamine

  Catalysed by PAFAH2, PLA2G15, ASPGOne of 4 routes

• a 1-acyl-sn-glycerolReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. a 1-acyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-glycerol + phosphocholine + H(+)

  Catalysed by PAFAH2, PLA2G15, ENPP6

• a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. 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(+)
  2. 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)
  3. 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 PAFAH2, PLA2G15, LCLAT1, LPCAT1 and 1 moreOne of 2 routes

• sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. 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(+)
  2. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine
  3. 2 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) = 1-octadecanoyl-sn-glycero-3-phospho-(3'-octadecanoyl-1'-sn-glycerol) + sn-glycero-3-phospho-(1'-sn-glycerol)

  Catalysed by PAFAH2, PLA2G15, CLN5One of 2 routes

• 1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl-sn-glycero-3-phospho]-glycerolReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphocholine
  3. 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 PAFAH2, PLA2G15, TAFAZZIN

• sn-glycero-3-phospho-L-serineReach from here →
  1. 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(+)
  2. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-sn-glycero-3-phosphoserine + 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine
  3. 1-octadecanoyl-sn-glycero-3-phosphoserine + H2O = sn-glycero-3-phospho-L-serine + octadecanoate + H(+)

  Catalysed by PAFAH2, PLA2G15, ABHD12One of 2 routes

• a 1-acyl-2-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. 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(+)
  2. 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
  3. 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

  Catalysed by PAFAH2, PLA2G15, ASPG

• a 2-acyl-sn-glycerol 3-phosphateReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 2-acyl-sn-glycero-3-phosphocholine
  3. a 2-acyl-sn-glycero-3-phosphocholine + H2O = a 2-acyl-sn-glycerol 3-phosphate + choline + H(+)

  Catalysed by PAFAH2, PLA2G15, ENPP2One of 2 routes

• 2-acetamido-2-deoxy-D-glucopyranose 1-phosphateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. N-acetyl-D-glucosamine 6-phosphate + H2O = D-glucosamine 6-phosphate + acetate
  3. phosphoglucomutase (N-acetylglucosamine-6-phosphate)

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 5 morecytosol

• (4S)-4-hydroxy-2-oxoglutarateReach from here →
  1. 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine + H2O = 1-O-hexadecyl-sn-glycero-3-phosphocholine + acetate + H(+)
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (4S)-4-hydroxy-2-oxoglutarate = glyoxylate + pyruvate

  Catalysed by PLA2G10, PLA2G6, PAFAH1B2, PLA2G7 and 9 moreextracellular space, cytosol

• 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. 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(+)
  2. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine
  3. 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + hexadecanoyl-CoA = 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA

  Catalysed by PAFAH2, PLA2G15, LPGAT1

• 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. 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(+)
  2. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + N-(acetyl)-sphing-4-enine = 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine
  3. 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + (9Z)-octadecenoyl-CoA = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4, LCLAT1

• N-dodecanoylsphing-4-enineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. N-dodecanoylsphing-4-enine + H2O = dodecanoate + sphing-4-enine

  Catalysed by PAFAH2, ASAH1, NAAA, ACER2 and 1 more

• N-tetradecanoylsphing-4-enineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. N-tetradecanoylsphing-4-enine + H2O = sphing-4-enine + tetradecanoate

  Catalysed by PAFAH2, ASAH1, ACER2, ASAH2

• N-hexadecanoylsphing-4-enineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. sphing-4-enine + hexadecanoyl-CoA = N-hexadecanoylsphing-4-enine + CoA + H(+)

  Catalysed by PAFAH2, ASAH1, CERS6, TLCD3B and 2 moreOne of 2 routes

• N-octadecanoylsphing-4-enineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. sphing-4-enine + octadecanoyl-CoA = N-octadecanoylsphing-4-enine + CoA + H(+)

  Catalysed by PAFAH2, ASAH1, CERS1, TLCD3B and 2 moreOne of 2 routes

• N-eicosanoyl-sphing-4-enineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. eicosanoyl-CoA + sphing-4-enine = N-eicosanoyl-sphing-4-enine + CoA + H(+)

  Catalysed by PAFAH2, ASAH1, TLCD3B, CERS2

• N-tetracosanoyl-sphing-4-enineReach from here →
  1. 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(+)
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. tetracosanoyl-CoA + sphing-4-enine = N-tetracosanoyl-sphing-4-enine + CoA + H(+)

  Catalysed by PAFAH2, ASAH1, CERS2

• 1,2-dihexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. 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
  3. 1-hexadecanoyl-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, PRDX6, LPCAT3 and 1 moreOne of 6 routes

• 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. 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
  3. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. 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
  3. 1-hexadecanoyl-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, MBOAT1 and 3 moreOne of 3 routes

• 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholineReach from here →
  1. 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(+)
  2. 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
  3. (9Z,12Z)-octadecadienoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, MBOAT2 and 1 moreOne of 2 routes