>4bcnC (C:) observed residues (from ATOM records)
gsmenfqkvekigegtygvvykarnkltgevvalkkirldtetegvpstaireisllkel
nhpnivklldvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafc
hshrvlhrdlkpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgck
yystavdiwslgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykp
sfpkwarqdfskvvppldedgrsllsqmlhydpnkrisakaalahpffqdvtkpvp