# OC Root 2nd 3rd 4th PC Gene/Definition OC.59190 Bacteria.27307 Proteobacteria.137045 Gammaproteobacteria.4043 dko.1882 dko:I596_2752 Two-component system regulatory protein OC.59190 Bacteria.27307 Proteobacteria.137084 Gammaproteobacteria.4045 dko.2012 dko:I596_2886 Two-component system regulatory protein