>2z6yC (C:) observed residues (from ATOM records)
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ygnrvfakypenivdyfkqsfpegyswersmnyedggicnatnditldgdcyiyeirfdg
vnfpangpvmqkrtvkwepsteklyvrdgvlkgdvnmalsleggghyrcdfkttykakkv
vqlpdyhfvdhhieikshdkdysnvnlhehaeahse