# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.110240 Bacteria.320633 Proteobacteria.380654 Alphaproteobacteria.200336 Brucella.4893 Brucella_melitensis.4832 bmg.1248 bmg:BM590_A1254 Protein Translation Elongation Factor Tu (EF-TU); K02358 elongation factor Tu