>1ffkO (O:) observed residues (from ATOM records)
gisysveadpdttakamlrerqmsfkhskaiareikgktageavdyleaviegdqpvpfk
qhnsgvghkskvdgwdagrypekaskafldllenavgnadhqgfdgeamtikhvaahkvg
eqqgrkpramgrasawnspqvdvelileep