>2f4pC (C:) observed residues (from ATOM records)
ddifergskgssdfftgnvwvkmlvtdengvfntqvydvvfepgarthwhshpggqiliv
trgkgfyqergkparilkkgdvveippnvvhwhgaapdeelvhigistqvhlgpaewlgs
vteeeyrkategk