>1zrlA (A:) observed residues (from ATOM records)
nevlsncrekrkgmkwdckkkndrsnyvcipdrriqlcivnlaiiktytketmkdhfiea
skkesqlllkkndnkynskfcndlknsfldyghlamgndmdfggystkaenkiqevfkga
hgeisehkiknfrkkwwnefreklweamlsehknnicknipqeelqitqwikewhgefll
erdnraklpkskcknnalyeacekecidpcmkyrdwiirskfewhtlskeyetqkvpken
aenylikisenkndakvslllnncdaeyskycdckhtttlvksvlngndntikekrehid
lddfskfgcdknsvdtntkvweckkpyklstkdvcvpprrqelclgnidriydknllmik
ehilaiaiyesrilkrkyknkddkevckiinktfadirdiiggtdywndlsnrklvgkin
tnsnyvhrnkqndklfrdewwkvikkdvwnviswvfkdktvckeddienipqffrwfsew
gddycqdktkmietlkvecceddnckrkcnsykewiskkkeeynkqakqyqeyqkgnnyk
mysefksikpevylkkysekcsnlnfedefkeelhsdyknkct