>4k9xA (A:) observed residues (from ATOM records)
shglfkklgipgptplpflgnilsyhkgfcmfdmechkkygkvwgfydgqqpvlaitdpd
miktvlvkecysvftnrrpfgpvgfmksaisiaedeewkrlrsllsptftsgklkemvpi
iaqygdvlvrnlrreaetgkpvtlkdvfgaysmdvitstsfgvnidslnnpntkklldfl
dpfflsitvfpflipilevlnicvfprevtnflrksvkrmkesrledtrvdflqlmidsq
nalsdlelvaqsiififagyettssvlsfimyelathpdvqqklqeeidavlpnkappty
dtvlqmeyldmvvnetlrlfpiamrlervckkdveingmfipkgvvvmipsyalhrdpky
wtepekflperfskknkdnidpyiytpfgsgprncigmrfalmnmklalirvlqnfsfkp
cketqiplklslggllqpekpvvlkvesr