# OC Root 2nd 3rd 4th PC Gene/Definition OC.84085 Bacteria.506881 Proteobacteria.186491 Alphaproteobacteria.36942 aua.1872 aua:M673_09195 hypothetical protein OC.84085 Bacteria.506881 Proteobacteria.186491 Alphaproteobacteria.46053 aua.3891 aua:M673_19830 short-chain dehydrogenase