title: Oxygen binding to ferrous heme alpha and a synthetic analog.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006418:Heme / Q000031:analogs & derivatives*; D010100:Oxygen; D011166:Porphyrins; D013053:Spectrophotometry
chemical_list: D011166:Porphyrins; D006418:Heme; D010100:Oxygen