>3f5xA (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkirldtetegvpstaireisllkelnh
pnivklldvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchs
hrvlhrdlkpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgckyy
stavdiwslgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsf
pkwarqdfskvvppldedgrsllsqmlhydpkrisakaalahpffqdvtkpvphlrl