>1ffkM (M:) observed residues (from ATOM records)
tdlsaqkrlaadvldvgknrvwfnperqgdiadaitredvrelvdegaiqakdkkgnsrg
rarerqkkrakghqkgagsrkgkagarqnskedwesriraqrtklrelrdegtlsssqyr
dlydkagggefdsvadleryida