title: Conjugated effect of light and uroporphyrin on porphobilinogen.
mesh_terms: D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D011163:Hydroxymethylbilane Synthase / Q000097:blood; D007700:Kinetics; D008027:Light; D011162:Porphobilinogen / Q000378:metabolism*; D011166:Porphyrins / Q000494:pharmacology*; D014578:Uroporphyrins / Q000494:pharmacology*
chemical_list: D011166:Porphyrins; D014578:Uroporphyrins; D011162:Porphobilinogen; D011163:Hydroxymethylbilane Synthase