# OC Root 2nd 3rd 4th 5th 6th 7th PC Gene/Definition OC.168538 Bacteria.1162740 Proteobacteria.693865 Gammaproteobacteria.285246 Gammaproteobacteria___Enterobacteria.101109 Xenorhabdus.5740 Xenorhabdus_bovienii.5151 xbv.3082 xbv:XBW1_3550 protein of unknown function