>4ek3A (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkirpstaireisllkelnhpnivklld
vihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlhrdl
kpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgckyystavdiws
lgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwarqdf
skvvppldedgrsllsqmlhydpnkrisakaalahpffqdvtkpvphl