Fig. 2From: Escherichia coli outer membrane protein F (OmpF): an immunogenic protein induces cross-reactive antibodies against Escherichia coli and Shigella Homology and phylogenetic analysis of the OmpF protein. Phylogenetic analysis of the OmpF protein in Shigella and Salmonella (omit the clusters less than 3 in size). Black symbol indicates the protein clusters which were identical to that of E. coli CVCC 1515 OmpFBack to article page