>4yz3A (A:) observed residues (from ATOM records)
tpvleknnvtltgggenvtkelkdkftsgdftvvikynqssekglqalfgisnskpgqqn
syvdvflrdngelgmeardtssnknnlvsrpasvwgkykqeavtntvavvadsvkktysl
yangtkvvekkvdnflnikdikgidyymlggvkragktafgfngtlenikffnsaldeet
vkkmttnavtghliytandttgsnyfripvlytfsngrvfssidaryggthdflnkinia
tsysddngktwtkpkltlafddfapvplewprevggrdlqisggatyidsvivekknkqv
lmfadvmpagvsfreatrkdsgykqidgnyylklrkqgdtdynytirengtvyddrtnrp
tefsvdknfgikqngnyltveqysvsfkkteyrngtkvhmnifykdalfkvvptnyiayi
ssndhgeswsaptllppimglnrnapylgpgrgiiesstgrilipsytgkesafiysddn
gaswkvkvvplpsswsaeaqfvelspgviqaymrtnngkiayltskdagttwsapeylkf
vsnpsygtqlsiinysqlidgkkavilstpnstngrkhgqiwiglinddntidwryhhdv
dysnygysystltelpnheiglmfekfdswsrnelhmknvvpyitfkiedlkkn