homocysteine

Three steps

• hexadecanedioyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. Production of Hexadecanedioylcarnitine

  Catalysed by CBS, NAGS, CPT1A, CPT1C and 1 morecytosol, mitochondrial matrixOne of 2 routes

• pristanoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. fatty-acid-CoA ligase

  Catalysed by CBS, NAGS, SLC27A2cytosol, mitochondrial matrixOne of 2 routes

• undecanoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. medium-chain acyl-CoA ligase (undecylic acid)

  Catalysed by CBS, NAGS, ACSM4, ACSM1 and 4 morecytosol, mitochondrial matrixOne of 3 routes

• (9S)-hydroxy-(10E,12Z)-octadecadienoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (9Z,12Z)-octadecadienoate + AH2 + O2 = (9S)-hydroxy-(10E,12Z)-octadecadienoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS1, PTGS2cytosol

• (9R)-hydroxy-(10E,12Z)-octadecadienoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (9Z,12Z)-octadecadienoate + AH2 + O2 = (9R)-hydroxy-(10E,12Z)-octadecadienoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS1, PTGS2cytosol

• 7-oxolithocholateReach from here →
  1. Formation of Homocystine
  2. transport of GSH and ursodeoxycholate (cytosol to extracellular)
  3. ursodeoxycholate + NAD(+) = 7-oxolithocholate + NADH + H(+)

  Catalysed by SLCO1A2, SLCO1B3, HSD17B10cytosol, extracellular space

• (11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosolOne of 3 routes

• (15R)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (15R)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosolOne of 3 routes

• (15R)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (15R)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate

  Catalysed by PTGS2cytosol, extracellular space

• 11R-hydroperoxy-(5Z,8Z,12E,14Z)-eicosatetraenoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. Arachidonate: oxygen 11-oxidoreductase

  Catalysed by ALOX12cytosol, extracellular spaceOne of 2 routes

• thio-Mo-molybdopterinReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. L-cystathionine cysteine-lyase (deaminating
  3. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O

  Catalysed by CBS, CTH, MOCOScytosolOne of 2 routes

• glycodeoxycholateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. transport of glycine and methionine (cytosol to extracellular)
  3. Glycodeoxycholate amidohydrolase

  Catalysed by MTR, SLC7A5cytosol, extracellular spaceOne of 2 routes

• (12R)-hydroxy-(5Z,8Z,10E,14Z)-eicosatetraenoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (12R)-hydroxy-(5Z,8Z,10E,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

  Catalysed by CYP2C9cytosol, extracellular space

• 14,15-epoxy-(5Z,8Z,11Z)-eicosatrienoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. unspecific monooxygenase (arachidonate)

  Catalysed by CYP1A1, CYP1A2, CYP2E1, CYP3A4 and 23 morecytosol, extracellular spaceOne of 4 routes

• 8,9-epoxy-(5Z,11Z,14Z)-eicosatrienoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. unspecific monooxygenase (arachidonate)

  Catalysed by CYP1A1, CYP1A2, CYP2E1, CYP3A4 and 22 morecytosol, extracellular spaceOne of 3 routes

• 1-heptadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoserineReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. 1-heptadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoserine + H2O = 1-heptadecanoyl-sn-glycero-3-phosphoserine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)

  Catalysed by ABHD16Acytosol, extracellular space

• 1-heptadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholineReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. 1-heptadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine + H2O = 1-heptadecanoyl-sn-glycero-3-phosphocholine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)

  Catalysed by ABHD16Acytosol, extracellular space

• 1-heptadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoethanolamineReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. 1-heptadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphoethanolamine + H2O = 1-heptadecanoyl-sn-glycero-3-phosphoethanolamine + (5Z,8Z,11Z,14Z)-eicosatetraenoate + H(+)

  Catalysed by ABHD16Acytosol, extracellular space

• (5Z)-tetradecenoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. long-chain-fatty-acid-CoA ligase (physeteric acid)

  Catalysed by CBS, NAGS, SLC27A2, ACSL4 and 6 morecytosol, mitochondrial matrixOne of 8 routes

• (3E)-decenoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. Fatty Acid Beta Oxidation (C12:1->C10:1), Mitochondrial

  Catalysed by CBS, NAGS, ACADM, ECHS1 and 2 morecytosol, mitochondrial matrix

• 2-glyceryl-prostaglandin H2Reach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. 2-glyceryl-prostaglandin G2 + AH2 = 2-glyceryl-prostaglandin H2 + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• 11beta-prostaglandin F2Reach from here →
  1. Formation of Homocystine
  2. transport of GSH and prostaglandin D2 (cytosol to extracellular)
  3. prostaglandin D2 + NADPH + H(+) = 11beta-prostaglandin F2 + NADP(+)

  Catalysed by SLCO2A1, AKR1C3, AKR1C2cytosol, extracellular space

• N-tetradecanoylglycineReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. transport of glycine and methionine (cytosol to extracellular)
  3. tetradecanoyl-CoA + glycine = N-tetradecanoylglycine + CoA + H(+)

  Catalysed by MTR, SLC7A5, GLYATL2cytosol, extracellular space

• (2R,6)-dimethylheptanoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. acetyl-CoA C-acyltransferase (3-oxo-4(R),8-dimethyl-nonanoyl-CoA)

  Catalysed by CBS, NAGS, HADHA, ACAA2 and 1 morecytosol, mitochondrial matrix

• N-eicosanoylglycinateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. transport of glycine and methionine (cytosol to extracellular)
  3. eicosanoyl-CoA + glycine = N-eicosanoylglycinate + CoA + H(+)

  Catalysed by MTR, SLC7A5, BAATcytosol, extracellular space

• N-docosanoylglycineReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. transport of glycine and methionine (cytosol to extracellular)
  3. docosanoyl-CoA + glycine = N-docosanoylglycine + CoA + H(+)

  Catalysed by MTR, SLC7A5, BAATcytosol, extracellular space

• N-hexacosanoylglycineReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. transport of glycine and methionine (cytosol to extracellular)
  3. hexacosanoyl-CoA + glycine = N-hexacosanoylglycine + CoA + H(+)

  Catalysed by MTR, SLC7A5, BAATcytosol, extracellular space

• an N(2)-acyl-L-glutamineReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. transport of glutamine and methionine (cytosol to extracellular)
  3. an acyl-CoA + L-glutamine = an N(2)-acyl-L-glutamine + CoA + H(+)

  Catalysed by MTR, SLC7A5, GLYATL1B, GLYATL1cytosol, extracellular space

• (7Z)-hexadecenoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. long-chain-fatty-acid-CoA ligase (7-palmitoleic acid)

  Catalysed by CBS, NAGS, SLC27A2, ACSL4 and 6 morecytosol, mitochondrial matrixOne of 8 routes

• tricosanoyl-CoAReach from here →
  1. L-serine hydro-lyase (adding homocysteine
  2. N-acetylglutamate synthase (N-acetyl-L-cystathionine)
  3. long-chain-fatty-acid-CoA ligase (tricosanoic acid)

  Catalysed by CBS, NAGS, SLC27A2, ACSL4 and 6 morecytosol, mitochondrial matrixOne of 4 routes

• (12S)-hydroxy-(5Z,8E,10E)-heptadecatrienoateReach from here →
  1. Formation of Homocystine
  2. transport of GSH and prostaglandin H2 (cytosol to extracellular)
  3. prostaglandin H2 = (12S)-hydroxy-(5Z,8E,10E)-heptadecatrienoate + malonaldehyde

  Catalysed by SLCO2A1, TBXAS1, CYP2S1, PTGES2cytosol, extracellular space

• (18R)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (18R)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

  Catalysed by CYP4F8cytosol, extracellular space

• prostaglandin H1Reach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. prostaglandin G1 + AH2 = prostaglandin H1 + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosolOne of 3 routes

• 19-hydroxyprostaglandin H2Reach from here →
  1. Formation of Homocystine
  2. transport of GSH and prostaglandin H2 (cytosol to extracellular)
  3. prostaglandin H2 + reduced [NADPH--hemoprotein reductase] + O2 = 19-hydroxyprostaglandin H2 + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

  Catalysed by SLCO2A1, CYP4F8cytosol, extracellular space

• (5S,11R)-dihydroxy-(6E,8Z,12E,14Z)-eicosatetraenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (5S,11R)-dihydroxy-(6E,8Z,12E,14Z)-eicosatetraenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• (5S,15R)-dihydroxy-(6E,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (5S,15R)-dihydroxy-(6E,8Z,11Z,13E)-eicosatetraenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• (5S,15S)-dihydroxy-(6E,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (5S,15S)-dihydroxy-(6E,8Z,11Z,13E)-eicosatetraenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• 17R-hydroxy-(4Z,7Z,10Z,13Z,15E,19Z)-docosahexaenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + AH2 + O2 = 17R-hydroxy-(4Z,7Z,10Z,13Z,15E,19Z)-docosahexaenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• 13-hydroxy-(4Z,7Z,10Z,14E,16Z,19Z)-docosahexaenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + AH2 + O2 = 13-hydroxy-(4Z,7Z,10Z,14E,16Z,19Z)-docosahexaenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• (18R)-hydroxy-(5Z,8Z,11Z,14Z,16E)-eicosapentaenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + AH2 + O2 = (18R)-hydroxy-(5Z,8Z,11Z,14Z,16E)-eicosapentaenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• (15R)-hydroxy-(5Z,8Z,11Z,13E,17Z)-eicosapentaenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + AH2 + O2 = (15R)-hydroxy-(5Z,8Z,11Z,13E,17Z)-eicosapentaenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• (11R)-hydroxy-(5Z,8Z,12E,14Z,17Z)-eicosapentaenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + AH2 + O2 = (11R)-hydroxy-(5Z,8Z,12E,14Z,17Z)-eicosapentaenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• 15-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = 15-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate

  Catalysed by ALOX15Bcytosol, extracellular space

• 5-hydroperoxy-(6E,8Z,11Z,14Z)-eicosatetraenoateReach from here →
  1. Formation of Homocystine
  2. transport of arachidonate and GSH (cytosol to extracellular)
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = 5-hydroperoxy-(6E,8Z,11Z,14Z)-eicosatetraenoate

  Catalysed by ALOX15Bcytosol, extracellular space

• 13R-hydroxy-(7Z,10Z,14E,16Z,19Z)-docosapentaenoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (7Z,10Z,13Z,16Z,19Z)-docosapentaenoate + AH2 + O2 = 13R-hydroxy-(7Z,10Z,14E,16Z,19Z)-docosapentaenoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS2cytosol

• (13S)-hydroxy-(9Z,11E)-octadecadienoateReach from here →
  1. 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase
  2. N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-SH + AH2 + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-L-threonylcarbamoyladenosine(37) in tRNA + (sulfur carrier)-H + 5'-deoxyadenosine + L-methionine + A + S-adenosyl-L-homocysteine + 2 H(+)
  3. (9Z,12Z)-octadecadienoate + AH2 + O2 = (13S)-hydroxy-(9Z,11E)-octadecadienoate + A + H2O

  Catalysed by MTR, CDKAL1, PTGS1, PTGS2cytosol