>1y4rB (B:) SEQRES residues mhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesagdlstpdavmgnpkv kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgnvlvcvlahhfgk eftppvqaayqkvvagvanalahkyh