>1f97A (A:) observed residues (from ATOM records)
kgsvytaqsdvqvpenesikltctysgfssprvewkfvqgsttalvcynsqitapyadrv
tfsssgitfssvtrkdngeytcmvseeggqnygevsihltvlvppskptisvpssvtign
ravltcsehdgsppseyswfkdgismlttrafmnssftidpksgdlifdpvtafdsgeyy
cqaqngygtamrseaahmdavelnvgg