>1z97A (A:) observed residues (from ATOM records)
ewgyashngpdhwhelfpnakgenqspielhtkdirhdpslqpwsvsydggsaktilnng
ktcrvvfddtydrsmlrggplpgpyrlrqfhlhwgssddhgsehtvdgvkyaaelhlvhw
npkyntfkealkqrdgiavigiflkighengefqifldaldkiktkgkeapftkfdpssl
fpasrdywtyqgslttppceecivwlllkepmtvssdqmaklrsllssaeneppvplvsn
wrppqpinnrvvrasfkhhhhhh