# OC Root 2nd 3rd 4th PC Gene/Definition OC.1977744 Bacteria.1121812 Proteobacteria.637978 Epsilonproteobacteria.26161 nis.4 nis:NIS_0274 hypothetical protein OC.1977744 Bacteria.1121812 Proteobacteria.637978 Epsilonproteobacteria.26161 nis.4 nis:NIS_0863 hypothetical protein