>4cfwC (C:) observed residues (from ATOM records)
gsmenfqkvekigegtygvvykarnkltgevvalkkirldtetegvpstaireisllkel
nhpnivklldvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafc
hshrvlhrdlkpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgck
yystavdiwslgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykp
sfpkwarqdfskvvppldedgrsllsqmlhydpnkrisakaalahpffqdvtkpvphl