>4n3eF (F:) observed residues (from ATOM records)
maaytivkeeespiaphrlfkalvlerhqvlvkaqphvfksgeiiegdggvgtvtkitfv
dghpltymlhkfdeidaanfyckytlfegdvlrdniekvvyevkleavgggskgkitvty
hpkpgctvneeevkigekkayefykqveeylaanpevfa