>1Y4R_1|Chains A, C|Hemoglobin alpha chain|Homo sapiens (9606) VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR >1Y4R_2|Chains B, D|Hemoglobin beta chain|Homo sapiens (9606) MHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESAGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH