title: The biosynthesis of uroporphyrinogen III: order of assembly of the four porphobilinogen molecules in the formation of the tetrapyrrole ring.
mesh_terms: D002250:Carbon Radioisotopes; D003304:Coproporphyrinogen Oxidase / Q000378:metabolism; D011163:Hydroxymethylbilane Synthase / Q000378:metabolism; D000623:Porphobilinogen Synthase / Q000378:metabolism; D011165:Porphyrinogens / Q000096:biosynthesis*; D012242:Rhodobacter sphaeroides / Q000201:enzymology; D014575:Uroporphyrinogen Decarboxylase / Q000378:metabolism; D014576:Uroporphyrinogen III Synthetase / Q000378:metabolism; D014577:Uroporphyrinogens / Q000096:biosynthesis*
chemical_list: D002250:Carbon Radioisotopes; D011165:Porphyrinogens; D014577:Uroporphyrinogens; D003304:Coproporphyrinogen Oxidase; D011163:Hydroxymethylbilane Synthase; D014575:Uroporphyrinogen Decarboxylase; D000623:Porphobilinogen Synthase; D014576:Uroporphyrinogen III Synthetase