>4n3eE (E:) observed residues (from ATOM records)
maaytivkeeespiaphrlfkalvlerhqvlvkaqphvfksgeiiegdggvgtvtkitfv
dghpltymlhkfdeidaanfyckytlfegdvlrdniekvvyevkleavgggskgkitvty
hpkpgctvneeevkigekkayefykqveeylaanpevfa