title: Biosynthesis of porphyrins and the origin of the "mauve factor".
mesh_terms: D000641:Ammonia / Q000378:metabolism; D003641:Deamination; D006801:Humans; D007535:Isomerases / Q000378:metabolism; D011166:Porphyrins / Q000096:biosynthesis*; D011618:Psychotic Disorders / Q000652:urine*; D011758:Pyrroles / Q000652:urine*; D000637:Transaminases / Q000378:metabolism
chemical_list: D011166:Porphyrins; D011758:Pyrroles; D000641:Ammonia; D000637:Transaminases; D007535:Isomerases