>1y31B (B:) SEQRES residues mhltpeeksavtalwgkvnvdevggealgrllvvapwtqrffesfgdlstpdavmgnpkv kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgnvlvcvlahhfgk eftppvqaayqkvvagvanalahkyh