The utilization of protoporphyrin 9 in heme synthesis.
D006418:Heme; D006454:Hemoglobins; D011166:Porphyrins / Q000378:metabolism*; D011524:Protoporphyrins
D006454:Hemoglobins; D011166:Porphyrins; D011524:Protoporphyrins; D006418:Heme
HEMOGLOBIN; PORPHYRINS/metabolism