>2z6zF (F:) observed residues (from ATOM records)
svikpdmkiklrmegavnghpfaiegvglgkpfegkqsmdlkvkeggplpfaydilttvf
cygnrvfakypenivdyfkqsfpegyswersmnyedggicnatnditldgdcyiyeirfd
gvnfpangpvmqkrtvkwepsteklyvrdgvlkgdvnmalsleggghyrcdfkttykakk
vvqlpdyhfvdhhieikshdkdysnvnlhehaeahsel