>4yz1B (B:) observed residues (from ATOM records)
ntpvleknnvtltgggenvtkelkdkftsgdftvvikynqssekglqalfgisnskpgqq
nsyvdvflrdngelgmeardtssnknnlvsrpasvwgkykqeavtntvavvadsvkktys
lyangtkvvekkvdnflnikdikgidyymlggvkragktafgfngtlenikffnsaldee
tvkkmttnavtghliytandttgsnyfripvlytfsngrvfssidaryggthdflnkini
atsysddngktwtkpkltlafddfapvplewprevggrdlqisggatyidsvivekknkq
vlmfadvmpagvsfreatrkdsgykqidgnyylklrkqgdtdynytirengtvyddrtnr
ptefsvdknfgikqngnyltveqysvsfekkteyrngtkvhmnifykdalfkvvptnyia
yissndhgeswsaptllppimglnrnapylgpgrgiiesstgrilipsytgkesafiysd
dngaswkvkvvplpsswsaeaqfvelspgviqaymrtnngkiayltskdagttwsapeyl
kfvsnpsygtqlsiinysqlidgkkavilstpnstngrkhgqiwiglinddntidwryhh
dvdysnygysystltelpnheiglmfekfdswsrnelhmknvvpyitfkiedlkkn