>1y4r_B mol:protein length:146  Hemoglobin beta chain
MHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESAGDLSTPDAVMGNPK
VKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHF
GKEFTPPVQAAYQKVVAGVANALAHKYH