# OC Root 2nd 3rd 4th PC Gene/Definition OC.368573 Bacteria.486362 Proteobacteria.594557 Deltaproteobacteria.104325 dak.644 dak:DaAHT2_0629 nitroreductase OC.368573 Bacteria.486362 Nitrospirae.12682 - tye.1052 tye:THEYE_A1034 nitroreductase family protein