Polypeptide chains of haemoglobin A2.
D006443:Hemoglobin A2; D006454:Hemoglobins / Q000737:chemistry*; D010455:Peptides / Q000737:chemistry*
D006454:Hemoglobins; D010455:Peptides; D006443:Hemoglobin A2
HEMOGLOBIN/chemistry; PEPTIDES/chemistry