N-(acetyl)-sphing-4-enine

Three steps

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

  Catalysed by PLA2G15, LCAT, ENPP2, GDPD1

• glycerol 2-phosphateReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + (9Z)-octadecenoate + H(+)
  3. Glycerophosphocholine Phosphodiesterase

  Catalysed by PLA2G15, PNPLA7, ASPG, PNPLA6 and 1 morecytosol

• a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-3-phosphate)Reach from here →
  1. 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
  2. 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
  3. a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + ATP = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-3-phosphate) + ADP + H(+)

  Catalysed by PLA2G15, ASPG, PIK3CD, PIK3C2A and 5 more

• a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate)Reach from here →
  1. 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
  2. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
  3. 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)

  Catalysed by PLA2G15, PRDX6, LPCAT4, LPCAT3 and 5 moreinner side of the membrane, outer side of the membraneOne of 5 routes

• phosphoethanolamineReach from here →
  1. 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
  2. 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + ethanolamine + H(+)
  3. ethanolamine + ATP = phosphoethanolamine + ADP + H(+)

  Catalysed by PLA2G15, GDPD1, CHKA, ETNK1 and 2 moreOne of 3 routes

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

  Catalysed by PLA2G15, ENPP2, GDPD3, GDPD1 and 1 more

• a CDP-1,2-diacyl-sn-glycerolReach from here →
  1. 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
  2. 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
  3. a CDP-1,2-diacyl-sn-glycerol + myo-inositol = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + CMP + H(+)

  Catalysed by PLA2G15, ASPG, CDIPT

• an acyl-CoAReach from here →
  1. 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
  2. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
  3. a 2-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PLA2G15, PRDX6, LPCAT4, LPCAT3 and 5 moreOne of 3 routes

• cadaverineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-acetylcadaverine + H2O = cadaverine + acetate
  3. N-acetylcadaverine + H2O = cadaverine + acetate

  Catalysed by ASAH1, HDAC10

• 1D-myo-inositol 1-phosphateReach from here →
  1. 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
  2. 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
  3. a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + H2O = 1D-myo-inositol 1-phosphate + a 1,2-diacyl-sn-glycerol + H(+)

  Catalysed by PLA2G15, ASPG, PLCG1, PLCD1 and 6 more

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

  Catalysed by PLA2G15, PRDX6, LPCAT4, LPCAT3 and 7 moreOne of 6 routes

• (3S)-citramalyl-CoAReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (3S)-citramalyl-CoA = pyruvate + acetyl-CoA

  Catalysed by ASAH1, SLC16A4, SLC16A5, SLC16A3 and 3 moreextracellular space, cytosol

• an S-substituted L-cysteineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, ACY3

• D-glucosamine 6-phosphateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, AMDHD2, GNPNAT1One of 2 routes

• CDP-cholineReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycerol + phosphocholine + H(+)
  3. phosphocholine + CTP + H(+) = CDP-choline + diphosphate

  Catalysed by PLA2G15, ENPP6, ABHD12, PCYT1A and 1 moreOne of 2 routes

• 5-amino-2-oxopentanoateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. L-ornithine + pyruvate = 5-amino-2-oxopentanoate + L-alanine

  Catalysed by ASAH1, SLC16A4, SLC16A5, SLC16A3 and 3 moreextracellular space, cytosol

• N-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-glycineReach from here →
  1. 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
  2. 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. N-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-glycine + H2O = (5Z,8Z,11Z,14Z)-eicosatetraenoate + glycine

  Catalysed by PLA2G15, PLA2G6, ASPG, FAAH and 1 more

• a 2,3-dehydroacyl-CoAReach from here →
  1. 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
  2. 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + AH2 + O2 = 2-[(11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine + A + H2O
  3. a 2,3-saturated acyl-CoA + A = a 2,3-dehydroacyl-CoA + AH2

  Catalysed by PLA2G15, PTGS2, ACAD10

• Fe(II)-heme aReach from here →
  1. 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
  2. 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + AH2 + O2 = 2-[(11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine + A + H2O
  3. Fe(II)-heme o + 2 A + H2O = Fe(II)-heme a + 2 AH2

  Catalysed by PLA2G15, PTGS2, COX15

• (4R)-4-hydroxy-2-oxoglutarateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (4R)-4-hydroxy-2-oxoglutarate = glyoxylate + pyruvate

  Catalysed by ASAH1, SLC16A4, SLC16A5, SLC16A3 and 3 moreextracellular space, cytosol

• a cardiolipinReach from here →
  1. 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
  2. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
  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 PLA2G15, PRDX6, LPCAT4, LPCAT3 and 5 moreOne of 4 routes

• an N-acyl-1,2-diacyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. 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
  2. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
  3. a 1,2-diacyl-sn-glycero-3-phosphoethanolamine + a 1,2-diacyl-sn-glycero-3-phosphocholine = an N-acyl-1,2-diacyl-sn-glycero-3-phosphoethanolamine + a 2-acyl-sn-glycero-3-phosphocholine + H(+)

  Catalysed by PLA2G15, PRDX6, LPCAT4, LPCAT3 and 7 moreOne of 4 routes

• an all-trans-retinyl esterReach from here →
  1. 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
  2. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
  3. all-trans-retinol--[retinol-binding protein] + a 1,2-diacyl-sn-glycero-3-phosphocholine = apo--[retinol-binding protein] + an all-trans-retinyl ester + a 2-acyl-sn-glycero-3-phosphocholine

  Catalysed by PLA2G15, PRDX6, LPCAT4, LPCAT3 and 5 moreOne of 2 routes

• 18-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →
  1. 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
  2. 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)
  3. cytochrome P450 (arachidonate)

  Catalysed by PLA2G15, PLA2G6, ASPG, CYP4F8endoplasmic reticulumOne of 2 routes

• hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. 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
  2. 1-hexadecanoyl-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + CoA
  3. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine = hexadecanoyl-sn-glycero-3-phosphocholine + N-hexadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + H(+)

  Catalysed by PLA2G15, PRDX6, LPCAT3, LPCAT1 and 2 moreOne of 2 routes

• a 1,2-diacyl-sn-glycero-3-phospho-N-methylethanolamineReach from here →
  1. 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
  2. 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
  3. a 1,2-diacyl-sn-glycero-3-phosphoethanolamine + S-adenosyl-L-methionine = a 1,2-diacyl-sn-glycero-3-phospho-N-methylethanolamine + S-adenosyl-L-homocysteine + H(+)

  Catalysed by PLA2G15, ASPG, PEMT

• 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphateReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + choline + H(+)
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD1, AGPAT3 and 1 moreOne of 2 routes

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

  Catalysed by PLA2G15, ENPP2, LPCAT1

• a 2-acyl-sn-glycero-3-phospho-D-myo-inositolReach from here →
  1. 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
  2. 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
  3. a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + H2O = a 2-acyl-sn-glycero-3-phospho-D-myo-inositol + a fatty acid + H(+)

  Catalysed by PLA2G15, ASPG, DDHD1

• an N-acylsphinganine-1-phosphocholineReach from here →
  1. 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
  2. a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
  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 PLA2G15, PRDX6, LPCAT4, LPCAT3 and 6 more

• CHEBI:67119Reach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. UDP-alpha-D-galactose:sphingosine 1-beta-galactosyltransferase
  3. UDP-alpha-D-galactose:sphingosine 1-beta-galactosyltransferase

  Catalysed by ASAH1cytosol

• 2-acetamido-2-deoxy-D-glucopyranose 1-phosphateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-acetyl-D-glucosamine 6-phosphate + H2O = D-glucosamine 6-phosphate + acetate
  3. phosphoglucomutase (N-acetylglucosamine-6-phosphate)

  Catalysed by ASAH1, AMDHD2, PGM3cytosol

• Mo-molybdopterinReach from here →
  1. 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
  2. 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + AH2 + O2 = 2-[(11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine + A + H2O
  3. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O

  Catalysed by PLA2G15, PTGS2, MOCOS

• (4S)-4-hydroxy-2-oxoglutarateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. transport of acetate and pyruvate (cytosol to extracellular)
  3. (4S)-4-hydroxy-2-oxoglutarate = glyoxylate + pyruvate

  Catalysed by ASAH1, SLC16A4, SLC16A5, SLC16A3 and 3 moreextracellular space, cytosol

• 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + (9Z)-octadecenoate + H(+)
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + H2O = sn-glycero-3-phospho-(1'-sn-glycerol) + (9Z)-octadecenoate + H(+)

  Catalysed by PLA2G15, PNPLA7, ASPG, PNPLA6 and 1 moreOne of 2 routes

• 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = sn-glycerol 3-phosphocholine + (9Z)-octadecenoate + H(+)
  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 PLA2G15, PNPLA7, ASPG, PNPLA6 and 1 more

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

  Catalysed by PLA2G15, ENPP2, GDPD3, GDPD1 and 1 more

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

  Catalysed by PLA2G15, ENPP2, GDPD3, GDPD1 and 1 more

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

  Catalysed by PLA2G15, PRDX6, LPCAT3, LPCAT1 and 2 moreOne of 2 routes

• 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphateReach from here →
  1. 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
  2. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  3. 1-hexadecanoyl-sn-glycero-3-phosphate + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD3, GDPD1 and 2 more

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

  Catalysed by ASAH1, CERS6, TLCD3B, CERS5 and 2 more

• an N-acylsphing-4-enine 1-phosphoethanolamineReach from here →
  1. 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
  2. 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
  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 PLA2G15, ASPG, SGMS1, SGMS2 and 1 moreOne of 2 routes

• 1-(beta-D-galactosyl)-N-dodecanoylsphing-4-enineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-dodecanoylsphing-4-enine + H2O = dodecanoate + sphing-4-enine
  3. 1-(beta-D-galactosyl)-N-dodecanoylsphing-4-enine + cholesterol = cholesteryl 3-beta-D-galactoside + N-dodecanoylsphing-4-enine

  Catalysed by ASAH1, NAAA, ACER2, ASAH2 and 2 more

• 4-acetamidobutanalReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-acetylputrescine + H2O = putrescine + acetate
  3. N-Acetylputrescine:oxygen oxidoreductase(deaminating)(flavin-containing)

  Catalysed by ASAH1, HDAC10, AOC2, AOC1 and 3 morecytosolOne of 2 routes

• 1-hexadecanoyl-2-[(9Z)-hexadec-9-enoyl]-sn-glycero-3-phosphateReach from here →
  1. 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
  2. 1-hexadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-hexadecanoyl-sn-glycero-3-phosphate + choline + H(+)
  3. 1-hexadecanoyl-sn-glycero-3-phosphate + (9Z)-hexadecenoyl-CoA = 1-hexadecanoyl-2-[(9Z)-hexadec-9-enoyl]-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD3, GDPD1 and 1 more

• 1-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. 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
  2. 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
  3. 1,2-di-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)

  Catalysed by PLA2G15, ASPG, PLA2G4A

• 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphateReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + choline + H(+)
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + (9Z)-octadecenoyl-CoA = 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD1, AGPAT2 and 9 more

• 1-(9Z)-octadecenoyl-2-hexadecanoyl-sn-glycero-3-phosphateReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + choline + H(+)
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + hexadecanoyl-CoA = 1-(9Z)-octadecenoyl-2-hexadecanoyl-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD1, AGPAT2 and 6 more

• 1-(9Z-octadecenoyl)-2-octadecanoyl-sn-glycero-3-phosphateReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + choline + H(+)
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + octadecanoyl-CoA = 1-(9Z-octadecenoyl)-2-octadecanoyl-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD1, GPAT3 and 5 more

• 1-(9Z)-octadecenoyl-2-heptadecanoyl-sn-glycero-3-phosphateReach from here →
  1. 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  2. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + choline + H(+)
  3. heptadecanoyl-CoA + 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate = 1-(9Z)-octadecenoyl-2-heptadecanoyl-sn-glycero-3-phosphate + CoA

  Catalysed by PLA2G15, ENPP2, GDPD1, AGPAT2 and 4 more