title: A paramagnetic dioxygen complex of iron (II) derived from a "picket fence" porphyrin. Further models for hemoproteins.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006420:Hemeproteins; D007501:Iron; D008956:Models, Chemical; D010084:Oxidation-Reduction; D011166:Porphyrins; D011485:Protein Binding; D014961:X-Ray Diffraction
chemical_list: D006420:Hemeproteins; D011166:Porphyrins; D007501:Iron