>1ffkB (B:) observed residues (from ATOM records)
pqpsrprkgslgfgprkrstsetprfnswpsddgqpgvqgfagykagmthvvlvndepns
pregmetvpvtvietppmravalrayedtpygqrpltevwtdefhseldrtldvpedhdp
daaeeqirdaheagdlgdlrlithtvpdavpsvpkkkpdvmetrvgggsvsdrldhaldi
vedggehamndifrageyadvagvtkgkgtqgpvkrwgvqkrkgkharqgwrrrignlgp
wnpsrvrstvpqqgqtgyhqrtelnkrlidigegdeptvdggfvnygevdgpytlvkgsv
pgpdkrlvpffrpavrpndqprldpevryvsnesnqg