>1a3n_B mol:protein length:146 HEMOGLOBIN (BETA CHAIN) VHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPK VKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHF GKEFTPPVQAAYQKVVAGVANALAHKYH