>5w73A (A:) observed residues (from ATOM records) gshmedfvrqcfnpmivelaekamkeygedpkietnkfaaicthlevcfmysdggskhrf eiiegrdrimawtvvnsicnttgvekpkflpdlydykenrfieigvtrrevhiyylekan kiksekthihifsftgeematkadytldeesrariktrlftirqemasrslwdsfrqse