# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.588623 Bacteria.254173 Proteobacteria.60191 Betaproteobacteria.15338 Herbaspirillum.4358 hht.3365 hht:F506_17630 FAD-binding protein OC.588623 Bacteria.254173 Proteobacteria.60191 Betaproteobacteria.15338 Herbaspirillum.4358 hee.2487 hee:hmeg3_12745 NADPH-dependent ferric siderophore reductase