# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.113260 Bacteria.968489 Proteobacteria.391746 Alphaproteobacteria.215956 Hyphomicrobium.5257 hmc.1698 hmc:HYPMC_1668 protein of unknown function; K00156 pyruvate dehydrogenase (quinone) [EC:1.2.5.1]