trans-4-hydroxy-L-proline

Three steps

• phytanoyl-CoAReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. phytanate-CoA ligase

  Catalysed by SLC1A4inner side of the membrane, outer side of the membrane, mitochondrial matrix, cytosolOne of 5 routes

• octadecanoyl-CoAReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. long-chain-fatty-acid-CoA ligase (stearate)

  Catalysed by SLC1A4, SLC27A2, ACSL4, ACSL3 and 4 moreinner side of the membrane, outer side of the membrane, mitochondrial matrix, cytosolOne of 15 routes

• prostaglandin H2Reach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
  3. (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + 2 O2 = prostaglandin H2 + A + H2O

  Catalysed by SLC1A4, MOCOS, PTGS1, PTGS2inner side of the membrane, outer side of the membraneOne of 2 routes

• (15S)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
  3. (15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + AH2 = (15S)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + A + H2O

  Catalysed by SLC1A4, MOCOS, TBXAS1, PTGS2 and 1 moreinner side of the membrane, outer side of the membrane

• sarcosineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. sarcosine + O2 + H2O = formaldehyde + glycine + H2O2

  Catalysed by SLC1A4, AGXT, AGXT2, PIPOXinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 2 routes

• (6S)-5,6,7,8-tetrahydrofolateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. (6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + glycine + H2O = (6S)-5,6,7,8-tetrahydrofolate + L-serine

  Catalysed by SLC1A4, AGXT, AGXT2, SHMT1 and 1 moreinner side of the membrane, outer side of the membrane, mitochondrial matrix

• 2-(N(omega)-L-arginino)succinateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and arginine (cytosol to extracellular)
  3. 2-(Nomega-L-arginino)succinate arginine-lyase (fumarate-forming)

  Catalysed by SLC1A4, SLC7A6, ASLinner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 6 routes

• carnosineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. beta-alanine(out) + L-alanine(in) = beta-alanine(in) + L-alanine(out)
  3. beta-alanine + L-histidine + ATP = carnosine + ADP + phosphate + H(+)

  Catalysed by SLC1A4, SLC7A10, CARNS1inner side of the membrane, outer side of the membrane

• 4-guanidinobutanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and arginine (cytosol to extracellular)
  3. 4-aminobutanoate + L-arginine = 4-guanidinobutanoate + L-ornithine

  Catalysed by SLC1A4, SLC7A6, GATMinner side of the membrane, outer side of the membrane, extracellular space, cytosol

• L-dopaReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and phenylalanine (cytosol to extracellular)
  3. L-dopa(out) + L-phenylalanine(in) = L-dopa(in) + L-phenylalanine(out)

  Catalysed by SLC1A4, SLC7A5, SLC7A8inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes

• N(6)-(1,2-dicarboxyethyl)-AMPReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. oxaloacetate + L-alanine = L-aspartate + pyruvate
  3. IMP:L-aspartate ligase (GDP-forming)

  Catalysed by SLC1A4, AGXT2, ADSS2, ADSS1inner side of the membrane, outer side of the membrane, cytosolOne of 2 routes

• 3-guanidinopropanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and arginine (cytosol to extracellular)
  3. beta-alanine + L-arginine = 3-guanidinopropanoate + L-ornithine

  Catalysed by SLC1A4, SLC7A6, GATMinner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes

• L-histidineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and phenylalanine (cytosol to extracellular)
  3. L-histidine(in) + L-phenylalanine(out) = L-histidine(out) + L-phenylalanine(in)

  Catalysed by SLC1A4, SLC7A5, SLC7A8inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 7 routes

• dihydroxyacetone phosphateReach from here →
  1. trans-4-hydroxy-L-proline + a quinone = (3R,5S)-1-pyrroline-3-hydroxy-5-carboxylate + a quinol + H(+)
  2. a quinol + 2 Fe(III)-[cytochrome c](out) = a quinone + 2 Fe(II)-[cytochrome c](out) + 2 H(+)(out)
  3. a quinone + sn-glycerol 3-phosphate = dihydroxyacetone phosphate + a quinol

  Catalysed by PRODH2, CYC1, UQCRFS1, GPD2outer side of the membrane

• D-ornithineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and ornithine (cytosol to extracellular)
  3. D-ornithine(in) + L-ornithine(out) = D-ornithine(out) + L-ornithine(in)

  Catalysed by SLC1A4, SLC7A6, SLC25A2inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes

• an N-acylglycineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. an acyl-CoA + glycine = an N-acylglycine + CoA + H(+)

  Catalysed by SLC1A4, AGXT, AGXT2, GLYATL3 and 2 moreinner side of the membrane, outer side of the membrane, mitochondrial matrix

• 2-oxo-3-sulfanylpropanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
  3. 2-oxo-3-sulfanylpropanoate + [thioredoxin]-dithiol = [thioredoxin]-disulfide + hydrogen sulfide + pyruvate + H(+)

  Catalysed by SLC1A4, AGXT2, MPSTinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 5 routes

• 2-methyl-3-oxopropanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
  3. (R)-3-amino-2-methylpropanoate + pyruvate = 2-methyl-3-oxopropanoate + L-alanine

  Catalysed by SLC1A4, AGXT2inner side of the membrane, outer side of the membrane, mitochondrial matrix

• guanidinoacetateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. L-Arginine:glycine amidinotransferase

  Catalysed by SLC1A4, AGXT, AGXT2, GATMinner side of the membrane, outer side of the membrane, mitochondrial matrix, cytosolOne of 5 routes

• sphing-4-enineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. acyl-CoA:sphingosine N-acyltransferase

  Catalysed by SLC1A4, ASAH1, ACER2, ACER1 and 1 moreinner side of the membrane, outer side of the membrane, mitochondrial matrix, Golgi apparatusOne of 2 routes

• spermidineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. diamine N-acetyltransferase (N1-acetylspermidine)

  Catalysed by SLC1A4, SAT1, SAT2inner side of the membrane, outer side of the membrane, mitochondrial matrix, cytosolOne of 3 routes

• L-dopaquinoneReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and tyrosine (cytosol to extracellular)
  3. L-Tyrosine,L-dopa:oxygen oxidoreductase

  Catalysed by SLC1A4, SLC7A5, TYRinner side of the membrane, outer side of the membrane, extracellular space, cytosol

• glutathioneReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)

  Catalysed by SLC1A4, AGXT, AGXT2, GSSinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 2 routes

• L-saccharopineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and lysine (cytosol to extracellular)
  3. N6-(L-1,3-Dicarboxypropyl)-L-lysine:NADP+ oxidoreductase (L-lysine-forming)

  Catalysed by SLC1A4, SLC7A6, AASSinner side of the membrane, outer side of the membrane, extracellular space, cytosol, mitochondrial matrix

• leukotriene C4Reach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. leukotriene C4 hydrolysis

  Catalysed by SLC1A4, AGXT, AGXT2inner side of the membrane, outer side of the membrane, mitochondrial matrix, cytosol

• dimethylamineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. N(omega),N(omega)-dimethyl-L-arginine + pyruvate = 5-(3,3-dimethylguanidino)-2-oxopentanoate + L-alanine
  3. Nomega,Nomega'-dimethyl-L-arginine dimethylamidohydrolase

  Catalysed by SLC1A4, AGXT2, DDAH1inner side of the membrane, outer side of the membrane, cytosolOne of 2 routes

• taurocyamineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and arginine (cytosol to extracellular)
  3. taurine + L-arginine = taurocyamine + L-ornithine

  Catalysed by SLC1A4, SLC7A6, GATMinner side of the membrane, outer side of the membrane, extracellular space, cytosol

• L-glutamate 5-semialdehydeReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and ornithine (cytosol to extracellular)
  3. L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate

  Catalysed by SLC1A4, SLC7A6, OATinner side of the membrane, outer side of the membrane, extracellular space, cytosol

• N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. oxaloacetate + L-alanine = L-aspartate + pyruvate
  3. N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagine + H2O = N-acetyl-beta-D-glucosaminylamine + L-aspartate + H(+)

  Catalysed by SLC1A4, AGXT2, AGAinner side of the membrane, outer side of the membrane

• L,L-cystathionineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. N-acetylglutamate synthase (N-acetyl-L-cystathionine)

  Catalysed by SLC1A4, NAGSinner side of the membrane, outer side of the membrane, mitochondrial matrix

• gamma-L-glutamyl-L-cysteineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and cysteine (cytosol to extracellular)
  3. L-glutamate:L-cysteine gamma-ligase (ADP-forming)

  Catalysed by SLC1A4, SLC7A5, GCLC, GCLMinner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes

• 6-amino-2-oxohexanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and lysine (cytosol to extracellular)
  3. L-lysine:oxygen 2-oxidoreductase (deaminating)

  Catalysed by SLC1A4, SLC7A6inner side of the membrane, outer side of the membrane, extracellular space, cytosol, peroxisome

• phosphoethanolamineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-threonine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-threonine(out) + Na(+)(in)
  2. L-threonine = acetaldehyde + glycine
  3. phosphoethanolamine + H2O = acetaldehyde + NH4(+) + phosphate

  Catalysed by SLC1A4, SHMT1, ETNPPLinner side of the membrane, outer side of the membrane

• L-homocysteineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and methionine (cytosol to extracellular)
  3. S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)

  Catalysed by SLC1A4, SLC7A5, BHMT2inner side of the membrane, outer side of the membrane, extracellular space, cytosol

• carbamoyl phosphateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and glutamine (cytosol to extracellular)
  3. HCO3-:L-glutamine amido-ligase (ADP-forming, carbamate-phosphorylating)

  Catalysed by SLC1A4, SLC3A2, SLC7A5, SLC7A10 and 1 moreinner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 4 routes

• S-methyl-L-methionineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and methionine (cytosol to extracellular)
  3. S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)

  Catalysed by SLC1A4, SLC7A5, BHMT2inner side of the membrane, outer side of the membrane, extracellular space, cytosol

• glutathione disulfideReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. Transport of L-Cystine (L-Alanine antiport) by B0, +At Transporter
  3. cystine to cysteine conversion

  Catalysed by SLC1A4, SLC7A9, SLC3A1inner side of the membrane, outer side of the membrane, extracellular space, cytosol

• L-tyrosineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-Alanine:glyoxylate aminotransferase
  3. L-tyrosine + glyoxylate = 3-(4-hydroxyphenyl)pyruvate + glycine

  Catalysed by SLC1A4, AGXT, AGXT2, AADATinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 4 routes

• an acyl-CoAReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. acyl-CoA:sphingosine N-acyltransferase

  Catalysed by SLC1A4, ASAH1, ACER2, ACER1 and 1 moreinner side of the membrane, outer side of the membrane, mitochondrial matrix, Golgi apparatusOne of 2 routes

• histamineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and histidine (cytosol to extracellular)
  3. L-histidine carboxy-lyase (histamine-forming)

  Catalysed by SLC1A4, SLC7A6, HDCinner side of the membrane, outer side of the membrane, extracellular space, cytosol

• L-2-aminopentanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-kynurenine + H2O = anthranilate + L-alanine + H(+)
  3. 2-oxopentanoate + L-kynurenine = L-2-aminopentanoate + kynurenate + H2O

  Catalysed by SLC1A4, KYNU, AADATinner side of the membrane, outer side of the membraneOne of 2 routes

• (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamido]succinateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. oxaloacetate + L-alanine = L-aspartate + pyruvate
  3. 1-(5-Phosphoribosyl)-5-amino-4-carboxyimidazole:L-aspartate ligase (ADP-forming)

  Catalysed by SLC1A4, AGXT2, PAICSinner side of the membrane, outer side of the membrane, cytosolOne of 2 routes

• kynurenateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-kynurenine + H2O = anthranilate + L-alanine + H(+)
  3. Kynurenine-Oxoglutarate Transaminase

  Catalysed by SLC1A4, KYNU, KYAT3, AADATinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 14 routes

• L-2-aminohexanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-kynurenine + H2O = anthranilate + L-alanine + H(+)
  3. 2-oxohexanoate + L-kynurenine = L-2-aminohexanoate + kynurenate + H2O

  Catalysed by SLC1A4, KYNU, AADATinner side of the membrane, outer side of the membraneOne of 2 routes

• 5-guanidino-2-oxopentanoateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and arginine (cytosol to extracellular)
  3. L-arginine + O2 + H2O = 5-guanidino-2-oxopentanoate + H2O2 + NH4(+)

  Catalysed by SLC1A4, SLC7A6, IL4I1inner side of the membrane, outer side of the membrane, extracellular space, cytosol

• (3Z)-dodecenoyl-CoAReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. amino-acid N-acetyltransferase (N-acetyl-L-alanine)
  3. acetyl-CoA C-acyltransferase (3-oxomyrist-5-enoyl-CoA)

  Catalysed by SLC1A4, HADHA, ACAA2, HADHBinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 3 routes

• S-sulfanyl-L-cysteineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and cysteine (cytosol to extracellular)
  3. 2 L-cysteine = S-sulfanyl-L-cysteine + L-alanine

  Catalysed by SLC1A4, SLC7A5, CARS2inner side of the membrane, outer side of the membrane, extracellular space, cytosol

• N-formyl-L-kynurenineReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. transport of alanine and tryptophan (cytosol to extracellular)
  3. L-tryptophan + O2 = N-formyl-L-kynurenine

  Catalysed by SLC1A4, SLC7A5, IDO1, TDO2 and 1 moreinner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes

• (3S)-citramalyl-CoAReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
  3. (3S)-citramalyl-CoA = pyruvate + acetyl-CoA

  Catalysed by SLC1A4, AGXT2, CLYBLinner side of the membrane, outer side of the membrane, mitochondrial matrix

• L-2-aminoadipateReach from here →
  1. trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
  2. L-kynurenine + H2O = anthranilate + L-alanine + H(+)
  3. 2-oxoadipate + L-kynurenine = L-2-aminoadipate + kynurenate + H2O

  Catalysed by SLC1A4, KYNU, AADATinner side of the membrane, outer side of the membrane