sphing-4-enine

Three steps

• (9Z,12Z,15Z,18Z,21Z)-tetracosapentaenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (6Z,9Z,12Z,15Z,18Z,21Z)-tetracosahexaenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (15Z)-tetracosenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosolOne of 3 routes

• (17Z)-hexacosenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (8Z,11Z,14Z)-eicosatrienoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (8Z,11Z,14Z,17Z)-eicosatetraenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• heptadecanoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (9Z)-heptadecenoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• (11Z,14Z,17Z)-eicosatrienoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• 1-(9Z-octadecenoyl)-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. 1,2-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
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycero-3-phosphate + choline + H(+)

  Catalysed by PAFAH2, PLA2G15, ENPP2, GDPD1

• 1-octadecanoyl-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-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-octadecanoyl-sn-glycero-3-phosphocholine
  3. 1-octadecanoyl-sn-glycero-3-phosphocholine + H2O = 1-octadecanoyl-sn-glycero-3-phosphate + choline + H(+)

  Catalysed by PAFAH2, PLA2G15, ENPP2

• 1-(9Z-octadecenoyl)-2-hexadecanoyl-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. 1,2-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
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, LPCAT1

• 1,2-di-(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. 1,2-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
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + (9Z)-octadecenoyl-CoA = 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, AGPAT5One of 2 routes

• 1-(9Z)-octadecenoyl-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. 1,2-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
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + (9Z,12Z)-octadecadienoyl-CoA = 1-(9Z)-octadecenoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• 1-(9Z)-octadecenoyl-2-(5Z,8Z,11Z,14Z)-icosatetraenoyl-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. 1,2-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
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-(9Z)-octadecenoyl-2-(5Z,8Z,11Z,14Z)-icosatetraenoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, AGPAT3 and 1 more

• 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-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. (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT1

• 1-octadecanoyl-2-(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-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPGAT1One of 2 routes

• 1-hexadecanoyl-2-dodecanoyl-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. dodecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-dodecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, LPCAT1

• 1-octadecanoyl-2-hexadecanoyl-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-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-octadecanoyl-sn-glycero-3-phosphocholine
  3. 1-octadecanoyl-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3, LPCAT1

• 1-hexadecanoyl-2-(9Z-octadecenoyl)-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-N-(acetyl)-sphing-4-enine + 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine
  3. 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + hexadecanoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + CoA

  Catalysed by PAFAH2, PLA2G15, LPGAT1

• 1-octadecanoyl-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-hexadecanoyl-N-(acetyl)-sphing-4-enine + 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine
  3. 2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPGAT1One of 2 routes

• 1-octadecanoyl-2-(9Z-octadecenoyl)-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. 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + N-(acetyl)-sphing-4-enine = 2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
  3. 2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + octadecanoyl-CoA = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPGAT1One of 2 routes

• 1-acyl-2-(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. 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. (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + a 1-acyl-sn-glycero-3-phosphocholine = 1-acyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• 1-acyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-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 + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-acyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phospho-L-serine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• 1-acyl-2-(9Z,12Z-octadecadienoyl)-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 + (9Z,12Z)-octadecadienoyl-CoA = 1-acyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-L-serine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• 1-acyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-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-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
  3. a 1-acyl-sn-glycero-3-phosphoethanolamine + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-acyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4, LPCAT3

• 1-acyl-2-(9Z,12Z)-octadecadienoyl-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-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
  3. a 1-acyl-sn-glycero-3-phosphoethanolamine + (9Z,12Z)-octadecadienoyl-CoA = 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT3

• nonadecanoyl-CoAReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. acyl-CoA pool formation and breakdown

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 6 moreGolgi apparatus, cytosol

• 1-acyl-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. 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) + (9Z)-octadecenoyl-CoA = 1-acyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA

  Catalysed by PAFAH2, PLA2G15, LCLAT1

• 1-hexadecanoyl-2-acetyl-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 + acetyl-CoA = 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT2, LPCAT1One of 2 routes

• 1-octadecanoyl-2-acetyl-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-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 1-(9Z-octadecenoyl)-N-(acetyl)-sphing-4-enine + 1-octadecanoyl-sn-glycero-3-phosphocholine
  3. 1-octadecanoyl-sn-glycero-3-phosphocholine + acetyl-CoA = 1-octadecanoyl-2-acetyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT2

• 1-acyl-2-(9Z)-octadecenoyl-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-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
  3. a 1-acyl-sn-glycero-3-phosphoethanolamine + (9Z)-octadecenoyl-CoA = 1-acyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4

• 1-acyl-2-octanoyl-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-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
  3. octanoyl-CoA + a 1-acyl-sn-glycero-3-phosphoethanolamine = 1-acyl-2-octanoyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4

• 1-acyl-2-octadecanoyl-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-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
  3. a 1-acyl-sn-glycero-3-phosphoethanolamine + octadecanoyl-CoA = 1-acyl-2-octadecanoyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4

• 1-acyl-2-hexadecanoyl-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-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 1-acyl-sn-glycero-3-phosphoethanolamine
  3. a 1-acyl-sn-glycero-3-phosphoethanolamine + hexadecanoyl-CoA = 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4

• 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-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) + (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4

• 1-acyl-2-hexadecanoyl-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 + hexadecanoyl-CoA = 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT4, LPCAT1

• 1-acyl-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. 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) + hexadecanoyl-CoA = 1-acyl-2-hexadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-decanoyl-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. decanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-decanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-hexanoyl-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. hexanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-hexanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-octanoyl-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. octanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-tetradecanoyl-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. tetradecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-tetradecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by PAFAH2, PLA2G15, LPCAT1

• 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycerolReach from here →
  1. sphing-4-enine + octadecanoyl-CoA = N-octadecanoylsphing-4-enine + CoA + H(+)
  2. N-octadecanoylsphing-4-enine + H2O = sphing-4-enine + octadecanoate
  3. 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + H2O = 2-(9Z-octadecenoyl)-glycerol + octadecanoate + H(+)

  Catalysed by CERS1, TLCD3B, CERS2, CERS4 and 4 more

• a 2,3-diacyl-sn-glycerolReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. acyl-CoA:sphingosine N-acyltransferase
  3. a 2-acylglycerol + an acyl-CoA = a 2,3-diacyl-sn-glycerol + CoA

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 8 moreGolgi apparatus

• 1-hexadecanoyl-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. 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-glycerol + phosphocholine + H(+)

  Catalysed by PAFAH2, PLA2G15, SMPD2, ENPP6 and 2 more

• 1-(9Z-octadecenoyl)-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. 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
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + H2O = 1-(9Z-octadecenoyl)-sn-glycerol + phosphocholine + H(+)

  Catalysed by PAFAH2, PLA2G15, ENPP6, ABHD12

• (R)-2-hydroxyhexadecanoateReach from here →
  1. sphing-4-enine + hexadecanoyl-CoA = N-hexadecanoylsphing-4-enine + CoA + H(+)
  2. N-hexadecanoylsphing-4-enine + H2O = sphing-4-enine + hexadecanoate
  3. hexadecanoate + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (R)-2-hydroxyhexadecanoate + 2 Fe(III)-[cytochrome b5] + H2O

  Catalysed by CERS6, TLCD3B, CERS5, CERS2 and 5 more

• (R)-2-hydroxytetracosanoateReach from here →
  1. tetracosanoyl-CoA + sphing-4-enine = N-tetracosanoyl-sphing-4-enine + CoA + H(+)
  2. N-tetracosanoyl-sphing-4-enine + H2O = tetracosanoate + sphing-4-enine
  3. tetracosanoate + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (R)-2-hydroxytetracosanoate + 2 Fe(III)-[cytochrome b5] + H2O

  Catalysed by CERS2, ACER2, ACER1, FA2H

• an N-acyl-1-beta-D-(3-O-sulfo)-galactosyl-sphing-4-enineReach from here →
  1. sphing-4-enine + a fatty acyl-CoA = an N-acylsphing-4-enine + CoA + H(+)
  2. UDP-alpha-D-galactose:N-acylsphingosine D-galactosyltransferase
  3. 3'-Phosphoadenylylsulfate:galactosylceramide 3'-sulfotransferase

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 4 morecytosol, lysosomeOne of 2 routes