>2r3kA (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkirvpstaireisllkelnhpnivkll
dvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlhrd
lkpqnllintegaikladfglaraevvtlwyrapeillgckyystavdiwslgcifaemv
trralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwarqdfskvvpplde
dgrsllsqmlhydpnkrisakaalahpffqdvtkpvphlrl