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A. A graphical representation of the espT pathogenicity island of C. rodentium. B. Multiple sequence alignment with hierarchical clustering of Shigella flexneri IpgB1 and IpgB2 along with Map, EspM2, EspM3 and EspT from C. rodentium and EspM1 from EPEC B171 O111:NM. Residues that are identical are highlighted in grey. The conserved WxxxE motif is boxed. C. Phenogram created using ClustalW2 showing the phylogeny of aligned WxxxE effectors.
