# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.108316 Bacteria.1168978 Proteobacteria.701355 Gammaproteobacteria.294759 Gammaproteobacteria___Enterobacteria.114038 psts.3955 psts:E05_41180 nitrite reductase (NAD(P)H) large subunit; K00362 nitrite reductase (NADH) large subunit [EC:1.7.1.15]