>4yw3B (B:) SEQRES residues etpvleknnvtltgggenvtkelkdkftsgdftvvikynqssekglqalfgisnskpgqq nsyvdvflrdngelgmeardtssnknnlvsrpasvwgkykqeavtntvavvadsvkktys lyangtkvvekkvdnflnikdikgidyymlggvkragktafgfngtlenikffnsaldee tvkkmttnavtghliytandttgsnyfripvlytfsngrvfssidaryggthdflnkini atsysddngktwtkpkltlafddfapvplewprevggrdlqisggatyidsvivekknkq vlmfadvmpagvsfreatrkdsgykqidgnyylklrkqgdtdynytirengtvyddrtnr ptefsvdknfgikqngnyltveqysvsfennkkteyrngtkvhmnifykdalfkvvptny iayissndhgeswsaptllppimglnrnapylgpgrgiiesstgrilipsytgkesafiy sddngaswkvkvvplpsswsaeaqfvelspgviqaymrtnngkiayltskdagttwsape ylkfvsnpsygtqlsiinysqlidgkkavilstpnstngrkhgqiwiglinddntidwry hhdvdysnygysystltelpnheiglmfekfdswsrnelhmknvvpyitfkiedlkknl