acetate

Three steps

• 1-(9Z-octadecenoyl)-sn-glycero-3-phosphateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, ENPP2, GDPD1

• 1-octadecanoyl-sn-glycero-3-phosphateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, ENPP2

• 1-(9Z-octadecenoyl)-2-hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3, LPCAT1

• 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3, AGPAT5One of 2 routes

• 1-(9Z)-octadecenoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3

• 1-(9Z)-octadecenoyl-2-(5Z,8Z,11Z,14Z)-icosatetraenoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3, AGPAT3 and 1 more

• 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT1

• 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPGAT1One of 2 routes

• 1-hexadecanoyl-2-dodecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3, LPCAT1

• 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3, LPCAT1

• 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPGAT1

• 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPGAT1One of 2 routes

• 1-octadecanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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-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

  Catalysed by ASAH1, PLA2G15, PLA2G4C

• 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPGAT1

• 1-acyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3

• 1-acyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phospho-L-serineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3

• 1-acyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-L-serineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3

• 1-acyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4, LPCAT3

• 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT3

• 1-acyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LCLAT1

• 1-hexadecanoyl-2-acetyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT2, LPCAT1One of 2 routes

• 1-octadecanoyl-2-acetyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT2

• 1-acyl-2-(9Z)-octadecenoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4

• 1-acyl-2-octanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4

• 1-acyl-2-octadecanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4

• 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4

• 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4

• 1-acyl-2-hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT4, LPCAT1

• 1-acyl-2-hexadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-decanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-hexanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-octanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT1

• 1-hexadecanoyl-2-tetradecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, LPCAT1

• 1-hexadecanoyl-sn-glycerolReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, SMPD2, ENPP6 and 2 more

• 1-(9Z-octadecenoyl)-sn-glycerolReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 ASAH1, PLA2G15, ENPP6, ABHD12

• 2-iminobutanoateReach from here →
  1. transport of 2-hydroxybutyrate and acetate (cytosol to extracellular)
  2. 2-hydroxybutyrate:NAD+ oxidoreductase
  3. 2-iminobutanoate + H2O = 2-oxobutanoate + NH4(+)

  Catalysed by SLC16A4, SLC16A5, SLC16A7, SLC16A1 and 5 moreextracellular space, cytosol

• 2-aminoprop-2-enoateReach from here →
  1. transport of acetate and pyruvate (cytosol to extracellular)
  2. D-serine = pyruvate + NH4(+)
  3. D-serine = 2-aminoprop-2-enoate + H2O

  Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 2 moreextracellular space, cytosol

• 1-O-(1Z)-alkenyl-2-hexadecanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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-O-(1Z-alkenyl)-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-O-(1Z)-alkenyl-2-hexadecanoyl-sn-glycero-3-phosphoethanolamine + sn-glycerol 3-phosphocholine

  Catalysed by ASAH1, PLA2G15, PLA2G4C

• a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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. 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + a 2-acyl-sn-glycero-3-phosphocholine = a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine + 2-hexadecanoyl-sn-glycero-3-phosphocholine

  Catalysed by ASAH1, PLA2G15, PLAAT1

• 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-(acetyl)-sphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphoethanolamine = 1-O-acyl-N-(acetyl)-sphing-4-enine + a 2-acyl-sn-glycero-3-phosphoethanolamine
  3. a 2-acyl-sn-glycero-3-phosphoethanolamine + hexadecanoyl-CoA = 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphoethanolamine + CoA

  Catalysed by ASAH1, PLA2G15, LPGAT1

• N-(9Z-octadecenoyl)-sphing-4-enineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. N-(9Z-octadecenoyl)-sphing-4-enine + H2O = sphing-4-enine + (9Z)-octadecenoate

  Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 more

• 9-cis-retinalReach from here →
  1. transport of acetate and retinoate (cytosol to extracellular)
  2. retinoate reduction
  3. retinol binding protein (retinal)

  Catalysed by SLC16A4, SLC16A5, SLC16A7, RBP1 and 1 moreextracellular space, cytosol, endoplasmic reticulumOne of 2 routes

• hexadecanoateReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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 = sn-glycerol 3-phosphocholine + hexadecanoate + H(+)

  Catalysed by ASAH1, PLA2G15, PLA2G6, LYPLA1 and 14 moreOne of 3 routes

• 3beta,7alpha-dihydroxyandrost-5-en-17-oneReach from here →
  1. cytochrome P450 (17alpha-hydroxypregnenolone)
  2. cytochrome P450 (17alpha-hydroxypregnenolone)
  3. 3beta-hydroxyandrost-5-en-17-one + reduced [NADPH--hemoprotein reductase] + O2 = 3beta,7alpha-dihydroxyandrost-5-en-17-one + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

  Catalysed by CYP17A1, CYP7B1endoplasmic reticulum, cytosol

• 1-hexadecanoyl-2-eicosanoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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. eicosanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-eicosanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by ASAH1, PLA2G15, LPCAT1

• sphinga-4E,14Z-dienineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  3. sphing-4-enine + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = sphinga-4E,14Z-dienine + 2 Fe(III)-[cytochrome b5] + 2 H2O

  Catalysed by ASAH1, FADS3

• androst-5-ene-3,17-dioneReach from here →
  1. cytochrome P450 (17alpha-hydroxypregnenolone)
  2. cytochrome P450 (17alpha-hydroxypregnenolone)
  3. dehydroepiandrosterone:NAD+ oxidoreductase

  Catalysed by CYP17A1, HSD3B1, HSD3B2endoplasmic reticulum, cytosolOne of 3 routes

• 1-octadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphoserineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  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-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphoserine + H2O = 1-octadecanoyl-sn-glycero-3-phosphoserine + (9Z,12Z)-octadecadienoate + H(+)

  Catalysed by ASAH1, PLA2G15, ABHD16A

• 1-octadecanoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
  3. 2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by ASAH1, PLA2G15, LPGAT1

• 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
  2. 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
  3. 2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by ASAH1, PLA2G15, LPGAT1