>5oo3A (A:) observed residues (from ATOM records)
enfqkvekigegtygvvykarnkltgevvalkkirlpstaireisllkelnhpnivklld
vihtenklylvceflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlhrdl
kpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgakyystavdiws
lgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwarqdf
skvvppldedgrsllsqmlhydpnkrisakaalahpffqdvtkpvp