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Circos plot displaying the distribution of methylated sequence motifs in H. pylori BCS 100 clone H1. Every circle of colored tracks represents one MTase target motif; the legend at the right side of the figure states the order of motifs represented by the 22 rings, from outer to inner circle. The motif CAAK, which is methylated in some reisolates, is not depicted, because it is not methylated in clone H1.
