>3qtrA (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkirpstaireisllkelnhpnivklld
vihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlhrdl
kpqnllintegaikladfglarafgvvvtlwyrapeillgckyystavdiwslgcifaem
vtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwarqdfskvvppld
edgrsllsqmlhydpnkrisakaalahpffqdvtkpvphlrl