Phylogenetic analysis of RepC proteins among the Rhizobiaceae. The organism name is followed by the NCBI accession number. Red indicates membership in the Rhizobiales, purple in the Sphingomonadales, blue in the Rhodospirillales, green in the Rhodobacterales, and orange in the Caulobacterales. Arad, A. radiobacter; Avi, A. vitis; Atu, A. tumefaciens; A., Agrobacterium; S., Sinorhizobium; R. etli, Rhizobium etli; R. leguminosarum, Rhizobium leguminosarum; R. sphaeroides, Rhodabacter sphaeroides.