Peripheral attack in the reduction and oxidation of iron porphyrins.
D003580:Cytochromes; D006418:Heme; D006454:Hemoglobins; D007501:Iron; D010084:Oxidation-Reduction; D011166:Porphyrins
D003580:Cytochromes; D006454:Hemoglobins; D011166:Porphyrins; D006418:Heme; D007501:Iron