>4uy2B (B:) observed residues (from ATOM records) yaqklfndlfedysnalrpvedtdkvlnvtlqitlsqikdmdernqiltaylwirqiwhd ayltwdrdqydgldsiripsdlvwrpdivlynkadpvntnvvlrydglitwdapaitkss cvvdvtyfpfdnqqcnltfgswtyngnqvdifnaldsgdlsdfiedvewevhgmpavknv isygccsepypdvtftlllkrrs