Superfamily of penicillin-binding proteins for 13 gamma proteobacteria. Clustering performed with MANY = 8. In Salmonella typhimurium there are two paralogs, gi 16763512 and gi 16765177, in Cluster 1; and two paralogs, gi 16765252 and gi 16764017 in Cluster 2 (red color); and there are two paralogs of Pseudomonas aeruginosa, gi 15597468 and gi 15599614 in Cluster 1 (violet color). Two proteins labeled as hypothetical in the genome annotation are highlighted in blue. n:m indicates that the highlighted cluster contains n leaves from m different taxa. See Methods for the list of taxa. Panel A depicts the phylogeny reconstructed form the sequences, panel B gives the ouput of the BranchClust algorithm.