>4gk1C (C:) observed residues (from ATOM records)
sgfvcntcpekwinfqrkcyyfgkgtkqwvharyacddmegqlvsihspeeqdfltkhas
htgswiglrnldlkgefiwvdgshvdysnwapgeptsrsqgedcvmmrgsgrwnaafcdr
klgawvcdrlatctp