# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1436183 Bacteria.494607 Proteobacteria.113706 Alphaproteobacteria.146573 Nitrobacter.430 nha.159 nha:Nham_3896 hypothetical protein OC.1436183 Bacteria.494607 Proteobacteria.113706 Alphaproteobacteria.146573 Nitrobacter.430 nha.159 nha:Nham_3951 hypothetical protein