>4fkuA (A:) observed residues (from ATOM records)
menfqkvekigegtygvvykarnkltgevvalkkirlgvpstaireisllkelnhpnivk
lldvihtenklylvfeflhqdlkkfmdasaltgiplpliksylfqllqglafchshrvlh
rdlkpqnllintegaikladfglarafgvpvrtythevvtlwyrapeillgckyystavd
iwslgcifaemvtrralfpgdseidqlfrifrtlgtpdevvwpgvtsmpdykpsfpkwar
qdfskvvppldedgrsllsqmlhydpnkrisakaalahpffqdvtkpvphlrl