# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.336110 Bacteria.288792 Proteobacteria.148767 Alphaproteobacteria.18857 Rickettsia.1752 Rickettsia_bellii.622 rbe.365 rbe:RBE_0369 Excinuclease ABC subunit C OC.336110 Bacteria.288792 Proteobacteria.148767 Alphaproteobacteria.18857 Rickettsia.1752 Rickettsia_bellii.622 rbo.1067 rbo:A1I_05925 Excinuclease ABC subunit C OC.336110 Bacteria.288792 Proteobacteria.148768 Alphaproteobacteria.18858 Pelagibacter.908 - pel.729 pel:SAR11G3_00731 dihydroneopterin aldolase; K03703 excinuclease ABC subunit C