>3u4jA (A:) observed residues (from ATOM records)
vmlsnfiapdsndprlriksryqmlvdgksvdaasgstidrvspghagevvgtwpeasad
dvrkavaaarkafdagpwprmsgaersrlmfkvadlilarqeelalieslevgkpiaqar
geigfcadlwsyaagqaralegqthnnigddrlglvlrepvgvvgiitpwnfpfiiaser
vpwaigsgctvvlkpseftsgtsirlaelareagipdgvfnvvtgygdpagqvlaedpnv
dmvaftgsvrvgtklgeiaartvkrvglelggkgpqivfadadldaaadgiaygvyhnag
qccisgsrllvqegirdalmerlldisrkvafgdplnertkigamiseahaekvhsyvta
gitsgaelllggerigreaglyyaptvfagvtpdmsiareeifgpvlstltfktadeava
lanatefglsasvwstnletalqtirriragrcwinsvidgtpelpiggykksglgrelg
rygfdeysqfkgvhvtlgrpapwft