title: A PstI polymorphism for the human porphobilinogen deaminase gene (PBG).
mesh_terms: D000642:Ammonia-Lyases / Q000235:genetics*; D006801:Humans; D011163:Hydroxymethylbilane Synthase / Q000235:genetics*; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length
chemical_list: D011163:Hydroxymethylbilane Synthase; D000642:Ammonia-Lyases