N-hexadecanoylsphinganine

Three steps

• 1-O-acyl-N-(acetyl)-sphing-4-enineReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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. 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

  Catalysed by SGMS1, SGMS2, PLA2G15One of 4 routes

• (5Z)-tetradecenoyl-CoAReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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, DGAT1, MOGAT2 and 11 morecytosolOne of 8 routes

• 1,2-diacyl-sn-glycero-3-phosphoethanolReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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, PLD1

• beta-D-glucosyl-(1<->1')-N-hexadecanoylsphing-4-enineReach from here →
  1. sphinganine + hexadecanoate = N-hexadecanoylsphinganine + H2O
  2. N-hexadecanoylsphing-4-enine + H2O = sphing-4-enine + hexadecanoate
  3. beta-D-glucosyl-(1<->1')-N-hexadecanoylsphing-4-enine + cholesterol = cholesteryl 3-beta-D-glucoside + N-hexadecanoylsphing-4-enine

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

• (3E)-decenoyl-CoAReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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, DGAT1, MOGAT2 and 7 morecytosol, mitochondrial matrix

• (2R,6)-dimethylheptanoyl-CoAReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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, DGAT1, MOGAT2 and 6 morecytosol, mitochondrial matrix

• (7Z)-hexadecenoyl-CoAReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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, DGAT1, MOGAT2 and 11 morecytosolOne of 8 routes

• tricosanoyl-CoAReach from here →
  1. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + 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, DGAT1, MOGAT2 and 11 morecytosolOne of 4 routes