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Figure 3. Schematic comparison of Tn916, the homologous element present in strain M68 and CTn1. Blue ORFs have homologs present in Tn916, green ORFs are not present in Tn916. Regions of homology are indicated by colored boxes: the red box shows the recombination module, the blue box shows the accessory module, the brown boxes show the conjugation module.
