octadecanoyl-CoA

Three steps

• a 2-acyl-sn-glycero-3-phospho-D-myo-inositolReach from here →
  1. acyl-CoA pool formation and breakdown
  2. a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + CoA
  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 LCLAT1, MBOAT7, DDHD1cytosol

• a 1-acyl-2-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + H2O = octadecanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + 1-hexadecanoyl-sn-glycero-3-phosphocholine = a 1-acyl-2-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + sn-glycerol 3-phosphocholine

  Catalysed by LPCAT3, PLAAT3, ASPG

• a 2-acyl-sn-glycerol 3-phosphateReach from here →
  1. acyl-CoA pool formation and breakdown
  2. a 1-acyl-sn-glycero-3-phosphate + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphate + CoA
  3. a 1,2-diacyl-sn-glycero-3-phosphate + H2O = a 2-acyl-sn-glycerol 3-phosphate + a fatty acid + H(+)

  Catalysed by AGPAT2, GPAT3, GPAT2, LCLAT1 and 10 morecytosol

• N-hexadecanoyl-(4R)-hydroxysphinganineReach from here →
  1. acyl-CoA pool formation and breakdown
  2. a 2-acylglycerol + an acyl-CoA = a 1,2-diacyl-sn-glycerol + CoA
  3. N-hexadecanoyl-(4R)-hydroxysphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-(4R)-hydroxysphinganine-phosphocholine + a 1,2-diacyl-sn-glycerol

  Catalysed by MOGAT2, AWAT2, MOGAT1, SGMS1 and 1 morecytosol

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

  Catalysed by LPCAT4, LPCAT3, MBOAT1, MBOAT2 and 1 morecytosolOne of 2 routes

• a 2-acyl-sn-glycero-3-phospho-L-serineReach from here →
  1. acyl-CoA pool formation and breakdown
  2. a 1-acyl-sn-glycero-3-phospho-L-serine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phospho-L-serine + CoA
  3. a 1,2-diacyl-sn-glycero-3-phospho-L-serine + H2O = a 2-acyl-sn-glycero-3-phospho-L-serine + a fatty acid + H(+)

  Catalysed by LPCAT4, LPCAT3, MBOAT1, PLA1A and 2 morecytosolOne of 2 routes

• N-docosanoylsphinganineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (behenic acid)
  3. docosanoyl-CoA + sphinganine = N-docosanoylsphinganine + CoA + H(+)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 12 morecytosolOne of 2 routes

• N-(2-hydroxydocosanoyl)-sphinganineReach from here →
  1. sphinganine + octadecanoyl-CoA = N-(octadecanoyl)-sphinganine + CoA + H(+)
  2. N-(octadecanoyl)-sphinganine + H2O = sphinganine + octadecanoate
  3. 2-hydroxydocosanoyl-CoA + sphinganine = N-(2-hydroxydocosanoyl)-sphinganine + CoA + H(+)

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 3 more

• N-eicosanoylsphinganineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (eicosanoate)
  3. eicosanoyl-CoA + sphinganine = N-eicosanoylsphinganine + CoA + H(+)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 12 morecytosolOne of 2 routes

• N-hexadecanoylsphinganineReach from here →
  1. acyl-CoA pool formation and breakdown
  2. a 2-acylglycerol + an acyl-CoA = a 1,2-diacyl-sn-glycerol + CoA
  3. N-hexadecanoylsphinganine + a 1,2-diacyl-sn-glycero-3-phosphocholine = N-hexadecanoyl-sphinganine-1-phosphocholine + a 1,2-diacyl-sn-glycerol

  Catalysed by MOGAT2, AWAT2, MOGAT1, SGMS1 and 1 morecytosolOne of 2 routes

• N-(2-hydroxyhexadecanoyl)-sphinganineReach from here →
  1. sphinganine + octadecanoyl-CoA = N-(octadecanoyl)-sphinganine + CoA + H(+)
  2. N-(octadecanoyl)-sphinganine + H2O = sphinganine + octadecanoate
  3. 2-hydroxyhexadecanoyl-CoA + sphinganine = N-(2-hydroxyhexadecanoyl)-sphinganine + CoA + H(+)

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 3 more

• N-(tetradecanoyl)-sphinganineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (myristic acid)
  3. sphinganine + tetradecanoyl-CoA = N-(tetradecanoyl)-sphinganine + CoA + H(+)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 11 morecytosolOne of 2 routes

• an N-acylsphinganine-1-phosphocholineReach from here →
  1. acyl-CoA pool formation and breakdown
  2. sphingosine N-acyltransferase (sphinganine)
  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 CERS1, CERS6, CERS3, CERS5 and 4 morecytosolOne of 2 routes

• (22R)-hydroxycholesterolReach from here →
  1. sphing-4-enine + octadecanoyl-CoA = N-octadecanoylsphing-4-enine + CoA + H(+)
  2. beta-D-glucosyl-(1<->1)-N-octadecanoylsphing-4-enine + cholesterol = cholesteryl 3-beta-D-glucoside + N-octadecanoylsphing-4-enine
  3. 2 reduced [adrenodoxin] + cholesterol + O2 + 2 H(+) = (22R)-hydroxycholesterol + 2 oxidized [adrenodoxin] + H2O

  Catalysed by CERS1, TLCD3B, CERS2, CERS4 and 2 moreOne of 2 routes

• all-trans-retinyl 9Z-octadecenoateReach from here →
  1. octadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (9Z)-octadecenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
  2. 1,2-di-(9Z-octadecenoyl)-sn-glycerol + (9Z)-octadecenoyl-CoA = 1,2,3-tri-(9Z-octadecenoyl)-glycerol + CoA
  3. 1,2,3-tri-(9Z-octadecenoyl)-glycerol + all-trans-retinol = all-trans-retinyl 9Z-octadecenoate + di-(9Z)-octadecenoylglycerol

  Catalysed by SCD, SCD5, DGAT1, MOGAT2 and 8 more

• 3-oxohexadecasphinganineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (myristic acid)
  3. tetradecanoyl-CoA + L-serine + H(+) = 3-oxohexadecasphinganine + CO2 + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 11 morecytosol

• 3-oxotetradecasphinganineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (lauric acid)
  3. dodecanoyl-CoA + L-serine + H(+) = 3-oxotetradecasphinganine + CO2 + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 11 morecytosol

• Mo-molybdopterinReach from here →
  1. Stearoyl-CoA hydrolase
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 2 morecytosol, mitochondrial matrix

• 3-oxodocosanoyl-CoAReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (eicosanoate)
  3. very-long-chain 3-oxoacyl-CoA synthase (eicosanoyl-CoA)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 16 morecytosolOne of 3 routes

• N-hexadecanoylethanolamineReach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine = 2-octadecanoyl-sn-glycero-3-phosphocholine + N-hexadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + H(+)
  3. N-hexadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + H2O = N-hexadecanoylethanolamine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphate + H(+)

  Catalysed by LPCAT3, PLA2G4E, NAPEPLD

• 3-oxo-(8Z,11Z,14Z)-eicosatrienoyl-CoAReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (gamma-linolenate)
  3. (6Z,9Z,12Z)-octadecatrienoyl-CoA + malonyl-CoA + H(+) = 3-oxo-(8Z,11Z,14Z)-eicosatrienoyl-CoA + CO2 + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 11 morecytosol

• 3-oxo-(8Z,11Z,14Z,17Z)-eicosatetraenoyl-CoAReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (stearidonic acid)
  3. (6Z,9Z,12Z,15Z)-octadecatetraenoyl-CoA + malonyl-CoA + H(+) = 3-oxo-(8Z,11Z,14Z,17Z)-eicosatetraenoyl-CoA + CO2 + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 10 morecytosol

• (8Z,11Z,14Z)-eicosatrienoateReach from here →
  1. Stearoyl-CoA hydrolase
  2. Carnitine O-Palmitoyltransferase
  3. Utilized Transport

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 4 morecytosol, endoplasmic reticulumOne of 14 routes

• N-(octacosanoyl)-sphinganineReach from here →
  1. sphinganine + octadecanoyl-CoA = N-(octadecanoyl)-sphinganine + CoA + H(+)
  2. N-(octadecanoyl)-sphinganine + H2O = sphinganine + octadecanoate
  3. octacosanoyl-CoA + sphinganine = N-(octacosanoyl)-sphinganine + CoA + H(+)

  Catalysed by CERS1, CERS6, CERS3, CERS5 and 3 more

• 1-dodecanoyl-sn-glycerol 3-phosphateReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (lauric acid)
  3. glycerol-3-phosphate 1-O-acyltransferase (lauroyl-CoA)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 13 morecytosolOne of 3 routes

• 1-tetradecanoyl-sn-glycerol 3-phosphateReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (myristic acid)
  3. glycerol-3-phosphate 1-O-acyltransferase (myristoyl-CoA)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 13 morecytosolOne of 2 routes

• 1-O-hexadecyl-2-hexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + H2O = octadecanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. 1-O-hexadecyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-O-hexadecyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + sn-glycerol 3-phosphocholine

  Catalysed by LPCAT3, PLAAT3, PLA2G4C

• 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. octadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (9Z)-octadecenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
  2. 1-octadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + (9Z)-octadecenoyl-CoA = 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA
  3. 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

  Catalysed by SCD, SCD5, LPCAT4, LCLAT1 and 1 more

• 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. stearoyl-CoA desaturase (N-C18:0CoA -> N-C18:1CoA)
  2. Oleoyl-CoA hydrolase
  3. 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + H2O = sn-glycero-3-phospho-(1'-sn-glycerol) + (9Z)-octadecenoate + H(+)

  Catalysed by SCD, ACOT7, BAAT, THEM4 and 3 morecytosolOne of 2 routes

• 1-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. octadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (9Z)-octadecenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
  2. 1-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + (9Z)-octadecenoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1D-myo-inositol) + CoA
  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 SCD, SCD5, LCLAT1, ABHD16A

• 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1D-myo-inositol)Reach from here →
  1. stearoyl-CoA desaturase (N-C18:0CoA -> N-C18:1CoA)
  2. fatty acyl-CoA desaturase (N-C18:1CoA -> N-C18:2CoA)
  3. 1-hexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + (9Z,12Z)-octadecadienoyl-CoA = 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1D-myo-inositol) + CoA

  Catalysed by SCD, FADS2, LCLAT1cytosol

• 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1'-sn-glycerol)Reach from here →
  1. stearoyl-CoA desaturase (N-C18:0CoA -> N-C18:1CoA)
  2. fatty acyl-CoA desaturase (N-C18:1CoA -> N-C18:2CoA)
  3. 1-hexadecanoyl-sn-glycero-3-phospho-(1'-sn-glycerol) + (9Z,12Z)-octadecadienoyl-CoA = 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + CoA

  Catalysed by SCD, FADS2, LCLAT1cytosol

• 1-hexadecanoyl-2-tetradecanoyl-sn-glycero-3-phosphateReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (myristic acid)
  3. 1-hexadecanoyl-sn-glycero-3-phosphate + tetradecanoyl-CoA = 1-hexadecanoyl-2-tetradecanoyl-sn-glycero-3-phosphate + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 10 morecytosolOne of 2 routes

• 1,2-dihexadecanoyl-sn-glycero-3-phosphateReach from here →
  1. Beta Oxidation of Long Chain Fatty Acid
  2. glycerol-3-phosphate 1-O-acyltransferase (palmitoyl-CoA)
  3. 1-hexadecanoyl-sn-glycero-3-phosphate + hexadecanoyl-CoA = 1,2-dihexadecanoyl-sn-glycero-3-phosphate + CoA

  Catalysed by ACAA1, HSD17B4, EHHADH, ACOX1 and 5 moreperoxisome, cytosol

• 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphateReach from here →
  1. Beta Oxidation of Long Chain Fatty Acid
  2. glycerol-3-phosphate 1-O-acyltransferase (palmitoyl-CoA)
  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 ACAA1, HSD17B4, EHHADH, ACOX1 and 6 moreperoxisome, cytosol

• N-dodecanoylsphing-4-enineReach from here →
  1. Stearoyl-CoA hydrolase
  2. acyl-CoA:sphingosine N-acyltransferase
  3. N-dodecanoylsphing-4-enine + H2O = dodecanoate + sphing-4-enine

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 6 morecytosol, Golgi apparatusOne of 3 routes

• N-tetradecanoylsphing-4-enineReach from here →
  1. Stearoyl-CoA hydrolase
  2. acyl-CoA:sphingosine N-acyltransferase
  3. N-tetradecanoylsphing-4-enine + H2O = sphing-4-enine + tetradecanoate

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 5 morecytosol, Golgi apparatus

• N-hexadecanoylsphing-4-enineReach from here →
  1. Stearoyl-CoA hydrolase
  2. acyl-CoA:sphingosine N-acyltransferase
  3. sphing-4-enine + hexadecanoyl-CoA = N-hexadecanoylsphing-4-enine + CoA + H(+)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 9 morecytosol, Golgi apparatusOne of 4 routes

• N-eicosanoyl-sphing-4-enineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (eicosanoate)
  3. eicosanoyl-CoA + sphing-4-enine = N-eicosanoyl-sphing-4-enine + CoA + H(+)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 11 morecytosolOne of 2 routes

• N-tetracosanoyl-sphing-4-enineReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (lignocerate)
  3. tetracosanoyl-CoA + sphing-4-enine = N-tetracosanoyl-sphing-4-enine + CoA + H(+)

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 10 morecytosolOne of 2 routes

• 1,2-dihexadecanoyl-sn-glycero-3-phosphocholineReach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + H2O = octadecanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. 1-hexadecanoyl-sn-glycero-3-phosphocholine + hexadecanoyl-CoA = 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine + CoA

  Catalysed by LPCAT3, PLAAT3, PRDX6, LPCAT1One of 4 routes

• 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholineReach from here →
  1. stearoyl-CoA desaturase (N-C18:0CoA -> N-C18:1CoA)
  2. fatty acyl-CoA desaturase (N-C18:1CoA -> N-C18:2CoA)
  3. (9Z,12Z)-octadecadienoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + CoA

  Catalysed by SCD, FADS2, LPCAT3, MBOAT2 and 1 morecytosolOne of 3 routes

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

  Catalysed by LPCAT3, PLAAT3, MBOAT7One of 2 routes

• 1-hexadecanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. octadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (9Z)-octadecenoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
  2. 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine + (9Z)-octadecenoyl-CoA = 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + CoA
  3. 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

  Catalysed by SCD, SCD5, MBOAT1, MBOAT2 and 1 moreOne of 2 routes

• 1,2-dihexadecanoyl-sn-glycero-3-phosphoethanolamineReach from here →
  1. octadecanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + CoA
  2. 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine + H2O = octadecanoate + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+)
  3. 1-hexadecanoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1,2-dihexadecanoyl-sn-glycero-3-phosphoethanolamine + sn-glycerol 3-phosphocholine

  Catalysed by LPCAT3, PLAAT3, ASPG, PLA2G4C

• an N-acylsphing-4-enine 1-phosphoethanolamineReach from here →
  1. acyl-CoA pool formation and breakdown
  2. a 1-acyl-sn-glycero-3-phosphoethanolamine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphoethanolamine + CoA
  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 LPCAT4, LPCAT3, MBOAT1, MBOAT2 and 3 morecytosol

• a 1-O-alkylglycerone 3-phosphateReach from here →
  1. acyl-CoA pool formation and breakdown
  2. Acyl-CoA:glycerone-phosphate O-acyltransferase
  3. alkylglycerone phosphate synthase (acylglycerone-phosphate)

  Catalysed by GNPAT, AGPScytosol, peroxisomeOne of 2 routes

• (9Z,12Z)-octadecadien-1-olReach from here →
  1. stearoyl-CoA desaturase (N-C18:0CoA -> N-C18:1CoA)
  2. fatty acyl-CoA desaturase (N-C18:1CoA -> N-C18:2CoA)
  3. (9Z,12Z)-octadecadienoyl-CoA + 2 NADPH + 2 H(+) = (9Z,12Z)-octadecadien-1-ol + 2 NADP(+) + CoA

  Catalysed by SCD, FADS2, FAR1cytosol

• 3-oxo-(7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl-CoAReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (EPA)
  3. (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoA + malonyl-CoA + H(+) = 3-oxo-(7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl-CoA + CO2 + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 11 morecytosol

• (9Z,12Z,15Z,18Z,21Z)-3-oxotetracosapentaenoyl-CoAReach from here →
  1. Stearoyl-CoA hydrolase
  2. long-chain-fatty-acid-CoA ligase (DPA)
  3. (7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl-CoA + malonyl-CoA + H(+) = (9Z,12Z,15Z,18Z,21Z)-3-oxotetracosapentaenoyl-CoA + CO2 + CoA

  Catalysed by ACOT7, BAAT, THEM4, ACOT1 and 10 morecytosol