Additional File 1.

Complete Phylogenetic Tree of the YRG family. A multiple alignment of sequences of the YqeH, YjeQ, EngA, and YlqF families. The alignment was produced using ClustalW followed by manual editing [16]. The tree was generated from the alignment using MrBayes v3 [45] (The root of the tree is the one given by the MrBayes output.

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Reynaud et al. BMC Biology 2005 3:21   doi:10.1186/1741-7007-3-21