>1yf9C (C:) observed residues (from ATOM records)
snrrremdymrlcnstrkvypsdtvaefwvefkgpegtpyedgtwmlhvqlpsdypfksp
sigfcnrilhpnvdersgsvcldvinqtwtpmyqlenifdvflpqllrypnpsdplnvqa
ahllhadrvgfdallrehvsthatpqkalesipeayrph