title: Is porphobilinogen deaminase activity a secondary control mechanism in haem biosynthesis in humans? [proceedings].
mesh_terms: D000624:5-Aminolevulinate Synthetase / Q000097:blood; D000642:Ammonia-Lyases / Q000097:blood*; D004912:Erythrocytes / Q000201:enzymology; D006418:Heme / Q000096:biosynthesis*; D006801:Humans; D011163:Hydroxymethylbilane Synthase / Q000097:blood*; D007855:Lead Poisoning / Q000201:enzymology; D007962:Leukocytes / Q000201:enzymology; D011164:Porphyrias / Q000201:enzymology
chemical_list: D006418:Heme; D000624:5-Aminolevulinate Synthetase; D011163:Hydroxymethylbilane Synthase; D000642:Ammonia-Lyases