# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.183175 Bacteria.953271 Proteobacteria.371884 Alphaproteobacteria.187517 Bartonella.2871 Bartonella_tribocorum.702 btr.1677 btr:BT_2335 vbh4_(fragment_2); Vbh4 protein fragment 2 OC.183175 Bacteria.953271 Proteobacteria.371884 Alphaproteobacteria.187517 Bartonella.2871 Bartonella_tribocorum.702 btx.1806 btx:BM1374166_02042 vblB4_2; VblB4 protein