# OC Root 2nd 3rd 4th PC Gene/Definition OC.108907 Bacteria.307436 Firmicutes.296836 Firmicutes___Clostridia.174492 nth.2231 nth:Nther_2382 NAD-dependent epimerase/dehydratase; K01784 UDP-glucose 4-epimerase [EC:5.1.3.2]