# OC Root 2nd 3rd 4th PC Gene/Definition OC.110252 Bacteria.320629 Proteobacteria.21454 Alphaproteobacteria.173478 rpm.83 rpm:RSPPHO_00020 tuf2; Elongation factor Tu 2; K02358 elongation factor Tu OC.110252 Bacteria.320629 Proteobacteria.21454 Alphaproteobacteria.173478 rpm.1249 rpm:RSPPHO_01220 tuf1; Elongation factor Tu 1; K02358 elongation factor Tu