(6R)-L-erythro-6,7-dihydrobiopterin

Three steps

• 3-(4-hydroxyphenyl)pyruvateReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-phenylalanine + O2 = (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine
  3. L-tyrosine + 2-oxoglutarate = 3-(4-hydroxyphenyl)pyruvate + L-glutamate

  Catalysed by AGMO, PAH, TATOne of 3 routes

• L-erythro-7,8-dihydrobiopterinReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. L-erythro-7,8-dihydrobiopterin(out) + a dicarboxylate(in) = L-erythro-7,8-dihydrobiopterin(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes

• L-ornithineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
  3. transport of ornithine and tryptophan (cytosol to extracellular)

  Catalysed by PCBD1, PCBD2, TPH1, TPH2 and 1 moreextracellular space, cytosolOne of 4 routes

• glycineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
  3. transport of glycine and tryptophan (cytosol to extracellular)

  Catalysed by PCBD1, PCBD2, TPH1, TPH2 and 1 moreextracellular space, cytosolOne of 13 routes

• prostaglandin F2alphaReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. prostaglandin F2alpha(out) + a dicarboxylate(in) = prostaglandin F2alpha(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes

• L-histidineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-phenylalanine + O2 = (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine
  3. L-histidine(in) + L-phenylalanine(out) = L-histidine(out) + L-phenylalanine(in)

  Catalysed by PCBD1, PCBD2, PAH, SLC7A8inner side of the membrane, outer side of the membraneOne of 2 routes

• 3',5'-cyclic GMPReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. 3',5'-cyclic GMP(out) + a dicarboxylate(in) = 3',5'-cyclic GMP(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes

• L-methionineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
  3. transport of methionine and tryptophan (cytosol to extracellular)

  Catalysed by PCBD1, PCBD2, TPH1, TPH2 and 1 moreextracellular space, cytosolOne of 10 routes

• L-dopaquinoneReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine + O2 = (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-dopa
  3. 2 L-dopa + O2 = 2 L-dopaquinone + 2 H2O

  Catalysed by AGMO, TH, TYROne of 2 routes

• L-kynurenineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-phenylalanine + O2 = (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine
  3. Transport of L-Kynurenine

  Catalysed by PCBD1, PCBD2, PAH, SLC7A8extracellular space, cytosolOne of 2 routes

• L-alanineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
  3. transport of alanine and tryptophan (cytosol to extracellular)

  Catalysed by PCBD1, PCBD2, TPH1, TPH2 and 1 moreextracellular space, cytosolOne of 10 routes

• L-asparagineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
  3. transport of asparagine and tryptophan (cytosol to extracellular)

  Catalysed by PCBD1, PCBD2, TPH1, TPH2 and 1 moreextracellular space, cytosolOne of 6 routes

• 3',5'-cyclic AMPReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. 3',5'-cyclic AMP(out) + a dicarboxylate(in) = 3',5'-cyclic AMP(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes

• kynurenateReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. kynurenate(out) + a dicarboxylate(in) = kynurenate(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes

• N-formyl-L-kynurenineReach from here →
  1. (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin = (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
  3. L-tryptophan + O2 = N-formyl-L-kynurenine

  Catalysed by PCBD1, PCBD2, TPH1, TPH2 and 3 more

• dopamineReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tyrosine + O2 = (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + L-dopa
  3. L-dopa + H(+) = dopamine + CO2

  Catalysed by AGMO, TH, DDC

• prostaglandin E2Reach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. prostaglandin E2(out) + a dicarboxylate(in) = prostaglandin E2(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes

• N-benzoylglycineReach from here →
  1. 1-O-(1,2-saturated-alkyl)-sn-glycerol + (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + O2 = a 1-(1-hydroxyalkyl)-sn-glycerol + (6R)-L-erythro-6,7-dihydrobiopterin + H2O
  2. (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(out) + a dicarboxylate(in) = (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin(in) + a dicarboxylate(out)
  3. N-benzoylglycine(out) + a dicarboxylate(in) = N-benzoylglycine(in) + a dicarboxylate(out)

  Catalysed by AGMO, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 2 routes