a 1,2-diacyl-sn-glycero-3-phosphoethanolamine

Three steps

• 2-(acylamino)ethyl fatty acidReach from here →
  1. 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
  2. an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = a sphingomyelin + a 1,2-diacyl-sn-glycerol
  3. an N-acylethanolamine + a 1,2-diacyl-sn-glycero-3-phosphocholine = 2-(acylamino)ethyl fatty acid + a 2-acyl-sn-glycero-3-phosphocholine

  Catalysed by SGMS1, SGMS2, SAMD8, PLA2G15One of 4 routes

• (5Z)-tetradecenoyl-CoAReach from here →
  1. 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
  2. acyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (physeteric acid)

  Catalysed by SGMS1, SGMS2, SAMD8, DGAT1 and 12 morecytosolOne of 8 routes

• 1,2-diacyl-sn-glycero-3-phosphoethanolReach from here →
  1. 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
  2. an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = a sphingomyelin + a 1,2-diacyl-sn-glycerol
  3. ethanol + a 1,2-diacyl-sn-glycero-3-phosphocholine = 1,2-diacyl-sn-glycero-3-phosphoethanol + choline

  Catalysed by SGMS1, SGMS2, SAMD8, PLD1

• (3E)-decenoyl-CoAReach from here →
  1. 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
  2. acyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
  3. Fatty Acid Beta Oxidation (C12:1->C10:1), Mitochondrial

  Catalysed by SGMS1, SGMS2, SAMD8, DGAT1 and 8 morecytosol, mitochondrial matrix

• N-acyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. 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(+)
  2. an N-acyl-1,2-diacyl-sn-glycero-3-phosphoethanolamine + H2O = N,1-diacyl-sn-glycero-3-phosphoethanolamine + a fatty acid + H(+)
  3. N,1-diacyl-sn-glycero-3-phosphoethanolamine + H2O = N-acyl-sn-glycero-3-phosphoethanolamine + a fatty acid + H(+)

  Catalysed by PLA2G4E, PLAAT5, PLAAT2, ABHD4

• (2R,6)-dimethylheptanoyl-CoAReach from here →
  1. 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
  2. acyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
  3. acetyl-CoA C-acyltransferase (3-oxo-4(R),8-dimethyl-nonanoyl-CoA)

  Catalysed by SGMS1, SGMS2, SAMD8, DGAT1 and 7 morecytosol, mitochondrial matrix

• (7Z)-hexadecenoyl-CoAReach from here →
  1. 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
  2. acyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (7-palmitoleic acid)

  Catalysed by SGMS1, SGMS2, SAMD8, DGAT1 and 12 morecytosolOne of 8 routes

• tricosanoyl-CoAReach from here →
  1. 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
  2. acyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
  3. long-chain-fatty-acid-CoA ligase (tricosanoic acid)

  Catalysed by SGMS1, SGMS2, SAMD8, DGAT1 and 12 morecytosolOne of 4 routes