>4yz5B (B:) observed residues (from ATOM records)
ntpvleknnvtltgggenvtkelkdkftsgdftvvikynqssekglqalfgisnskpgqq
nsyvdvflrdngelgmeardtssnknnlvsrpasvwgkykqeavtntvavvadsvkktys
lyangtkvvekkvdnflnikdikgidyymlggvkragktafgfngtlenikffnsaldee
tvkkmttnavtghliytandttgsnyfripvlytfsngrvfssidaryggthdflnkini
atsysddngktwtkpkltlafddfapvplewprevggrdlqisggatyidsvivekknkq
vlmfadvmpagvsfreatrkdsgykqidgnyylklrkqgdtdynytirengtvyddrtnr
ptefsvdknfgikqngnyltveqysvsfkteyrngtkvhmnifykdalfkvvptnyiayi
ssndhgeswsaptllppimglnrnapylgpgrgiiesstgrilipsytgkesafiysddn
gaswkvkvvplpsswsaeaqfvelspgviqaymrtnngkiayltskdagttwsapeylkf
vsnpsygtqlsiinysqlidgkkavilstpnstngrkhgqiwiglinddntidwryhhdv
dysnygysystltelpnheiglmfekfdswsrnelhmknvvpyitfkiedlkkn