>4cfnC (C:) observed residues (from ATOM records)
pgsmenfqkvekigegtygvvykarnkltgevvalkkirldtetegvpstaireisllke
lnhpnivklldvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglaf
chshrvlhrdlkpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgc
kyystavdiwslgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdyk
psfpkwarqdfskvvppldedgrsllsqmlhydpnkrisakaalahpffqdvtkpvp