>2f2fC (C:) observed residues (from ATOM records)
dpttypdvelsppprislrslltaqpikndhydshnylsthwelidykgkeyeklrdggt
lvqfkvvgaakcfafpgegttdckdidhtvfnliptntgaflikdallgfcmtshdfddl
rlepcgisvsgrtfslayqwgilppfgpskilrp