# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.108310 Bacteria.275588 Proteobacteria.79672 Gammaproteobacteria.224873 Acinetobacter.8441 Acinetobacter_baumannii.1751 abh.1667 abh:M3Q_2475 nitrite reductase, large subunit, nucleotide-and Fe/S-cluster binding protein; K00362 nitrite reductase (NADH) large subunit [EC:1.7.1.15]