# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.110804 Bacteria.456716 Proteobacteria.264836 Deltaproteobacteria.19485 Desulfobulbus.968 dpr.1122 dpr:Despr_1124 Nitrite reductase (NAD(P)H) OC.110804 Bacteria.456716 Proteobacteria.264836 Deltaproteobacteria.19485 Desulfobulbus.968 deo.797 deo:CAY53_04275 nitrite reductase