>2r3lA (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkirvpstaireisllkelnhpnivkll
dvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlhrd
lkpqnllintegaikladfglarvtlwyrapeillgckyystavdiwslgcifaemvtrr
alfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwarqdfskvvppldedgr
sllsqmlhydpnkrisakaalahpffqdvtkpvphlrl