>2b55A (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkigvpstaireisllkelnhpnivkll
dvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlhrd
lkpqnllintegaikladfgvvtlwyrapeillgckyystavdiwslgcifaemvtrral
fpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwarqdfskvvppldedgrsl
lsqmlhydpnkrisakaalahpffqdvtkpvphlrl