# OC Root 2nd 3rd 4th PC Gene/Definition OC.649413 Bacteria.335180 Nitrospirae.6713 Nitrospira.3101 nmv.1603 nmv:NITMOv2_1499 hypothetical protein OC.649413 Bacteria.335180 Nitrospirae.6713 Nitrospira.3101 nja.3172 nja:NSJP_3250 conserved protein of unknown function