# OC Root 2nd 3rd PC Gene/Definition OC.190120 Bacteria.260467 Aquificae.7450 ttk.654 ttk:TST_0652 cheB; two-component system, chemotaxis family, response regulator CheB; K03412 two-component system, chemotaxis family, protein-glutamate methylesterase/glutaminase [EC:3.1.1.61 3.5.1.44]