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. 2012 Feb 1;7(2):e30824. doi: 10.1371/journal.pone.0030824

Figure 1. Schematic of a polyQ.

Figure 1

A polyQ contains a minimum of five consecutive Q residues. The maximum proportion of residues other than Q (insertions) is 25% and each insertion cannot be over 5-residues long. The N- and C-terminal flanks of the polyQ are labeled Nt and Ct flanks, respectively. The numbering scheme for the residues within the flanks is shown.