# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.342211 Bacteria.266946 Proteobacteria.123208 Betaproteobacteria.31454 Achromobacter.6614 Achromobacter_xylosoxidans.7305 axx.2181 axx:ERS451415_02219 Putative NADH-flavin reductase OC.342211 Bacteria.266946 Proteobacteria.123208 Betaproteobacteria.31454 Achromobacter.6614 - ais.5485 ais:BUW96_29100 NmrA family transcriptional regulator