title: The specific enzyme deficiencies in five of the six known varieties of porphyrias.
mesh_terms: D000208:Acute Disease; D004912:Erythrocytes / Q000201:enzymology; D004920:Erythropoiesis; D006801:Humans; D008099:Liver / Q000201:enzymology; D017118:Porphyria, Acute Intermittent; D017092:Porphyria, Erythropoietic; D011164:Porphyrias / Q000151:congenital / Q000201:enzymology*; D017094:Porphyrias, Hepatic; D046351:Protoporphyria, Erythropoietic; D014575:Uroporphyrinogen Decarboxylase / Q000172:deficiency
chemical_list: D014575:Uroporphyrinogen Decarboxylase