>4zi0A (A:) observed residues (from ATOM records)
gplgsmedfvrqcfnpmivelaektmkeygedlkietnkfaaicthlevcfmysdaskhr
feiiegrdrtmawtvvnsicnttgaekpkflpdlydykenrfieigvtrrevhiyyleka
nkiksekthihifsftgeematkadytldeesrariktrlftirqemasrglwdsfrqse
r