# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.257188 Bacteria.204604 Proteobacteria.15359 Alphaproteobacteria.120379 Celeribacter.4992 cid.1940 cid:P73_2028 HTH-type transcriptional activator nahR OC.257188 Bacteria.204604 Proteobacteria.15359 Alphaproteobacteria.120379 Celeribacter.5659 cid.3598 cid:P73_3741 LysR family transcription regulator protein