>2fr7A (A:) observed residues (from ATOM records)
hgagvphlgidpfaldyfadpypeqetlreagpvvyldkwnvygvaryaevyavlndplt
fcssrgvglsdfkkekpwrppslileadppahtrtravlskvlspatmkrlrdgfaaaad
akidellarggnidaiadlaeayplsvfpdamglkqegrenllpyaglvfnafgppnelr
qsaiersaphqayvaeqcqrpnlapggfgacihafsdtgeitpeeapllvrsllsagldt
tvngiaaavyclarfpdefarlradpslarnafeeavrfespvqtffrtttrdvelagat
igegekvlmflgsanrdprrwddpdryditrktsghvgfgsgvhmcvgqlvarlegevvl
aalarkvaaieiagplkrrfnntlrgleslpiqltpa