>3cusC (C:) observed residues (from ATOM records)
hrpsvvwlhnaectgcteaairtikpyidalildtisldyqetimaaageaaeaalhqal
egkdgyylvvegglptidggqwgmvaghpmiettkkaaakakgiicigtcsayggvqkak
pnpsqakgvsealgvktinipgcppnpinfvgavvhvltkgipdldengrpklfygelvh
dncprlphfeasefapsfdseeakkgfclyelgckgpvtynncpkvlfnqvnwpvqaghp
clgcsepdfwdtmtpfyeqg