title: Intermittent acute porphyria: the enzymatic defect.
mesh_terms: D000624:5-Aminolevulinate Synthetase / Q000378:metabolism; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000409:Alanine / Q000378:metabolism; D000622:Aminolevulinic Acid / Q000378:metabolism; D000642:Ammonia-Lyases / Q000378:metabolism; D004402:Dysautonomia, Familial / Q000378:metabolism; D006418:Heme / Q000096:biosynthesis; D006801:Humans; D008099:Liver / Q000201:enzymology; D011162:Porphobilinogen / Q000378:metabolism; D011164:Porphyrias / Q000201:enzymology*; D011166:Porphyrins
chemical_list: D011166:Porphyrins; D006418:Heme; D011162:Porphobilinogen; D000622:Aminolevulinic Acid; D000624:5-Aminolevulinate Synthetase; D000251:Adenosine Triphosphatases; D000642:Ammonia-Lyases; D000409:Alanine