# OC Root 2nd 3rd 4th PC Gene/Definition OC.1442077 Bacteria.502264 Proteobacteria.14580 Epsilonproteobacteria.12500 nsa.4 nsa:Nitsa_0216 hypothetical protein OC.1442077 Bacteria.502264 Proteobacteria.14580 Epsilonproteobacteria.12500 nsa.4 nsa:Nitsa_1795 hypothetical protein