# OC Root 2nd 3rd 4th PC Gene/Definition OC.168777 Bacteria.59746 Proteobacteria.559577 Deltaproteobacteria.53348 dto.1218 dto:TOL2_C12080 murB; MurB: UDP-N-acetylmuramate dehydrogenase; K00075 UDP-N-acetylmuramate dehydrogenase [EC:1.3.1.98]