>5i13A (A:) observed residues (from ATOM records) gplgsmedfvrqcfnpmivelaektmkeygedlkietnkfaaicthlevcfmysdaskhr feiiegrdrtmawtvvnsicnttgaekpkflpdlydykenrfieigvtrrevhiyyleka nkiksekthihifsftgeematkadytldeesrariktrlftirqemasrglwdsfrqse r