# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.20660 Bacteria.866052 Firmicutes.241931 Firmicutes___Clostridia.94929 Butyrivibrio.3344 bfi.1285 bfi:CIY_15150 Glutamate synthase domain 1; K00265 glutamate synthase (NADPH) large chain [EC:1.4.1.13]