# OC Root 2nd 3rd 4th PC Gene/Definition OC.168777 Bacteria.59746 Firmicutes.4548 Firmicutes___Clostridia.72221 hmo.1884 hmo:HM1_2061 murB; udp-n-acetylenolpyruvoylglucosamine reductase; K00075 UDP-N-acetylmuramate dehydrogenase [EC:1.3.1.98]