# OC Root 2nd 3rd 4th PC Gene/Definition OC.168798 Bacteria.59793 Proteobacteria.770655 Gammaproteobacteria.413729 gai.4193 gai:IMCC3135_22295 murB; UDP-N-acetylenolpyruvoylglucosamine reductase; K00075 UDP-N-acetylmuramate dehydrogenase [EC:1.3.1.98]