# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.59190 Bacteria.27307 Proteobacteria.137045 Betaproteobacteria.198463 Nitrosomonas.7163 neu.709 neu:NE0729 possible Response regulators consisting of a CheY-like receiver domain and a HTH DNA-binding domain OC.59190 Bacteria.27307 Proteobacteria.137045 Betaproteobacteria.198476 Nitrosomonas.7194 neu.904 neu:NE0937 possible Response regulators consisting of a CheY-like receiver domain and a HTH DNA-binding