>1w2bO (O:) observed residues (from ATOM records)
tdlsaqkrlaadvldvgknrvwfnperqgdiadaitredvrelvdegaiqakdkkgnsrg
rarerqkkrakghqkgagsrkgkagarqnskedwesriraqrtklrelrdegtlsssqyr
dlydkagggefdsvadleryidan