Binding of haem to protein in haemoglobin and myoglobin.
D006418:Heme / Q000737:chemistry*; D006454:Hemoglobins / Q000737:chemistry*; D009211:Myoglobin; D011506:Proteins
D006454:Hemoglobins; D009211:Myoglobin; D011506:Proteins; D006418:Heme
HEME/chemistry; HEMOGLOBIN/chemistry