# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.110179 Bacteria.320599 Proteobacteria.21443 Alphaproteobacteria.10166 Pelagibacter.2208 pub.1099 pub:SAR11_1130 tufB; translation elongation factor EF-Tu; K02358 elongation factor Tu OC.110179 Bacteria.320599 Proteobacteria.21443 Alphaproteobacteria.10166 Pelagibacter.1295 pel.1232 pel:SAR11G3_01238 translation elongation factor Tu; K02358 elongation factor Tu