# OC Root	2nd	3rd	4th	5th	6th	PC	Gene/Definition
OC.352240	Bacteria.87501	Proteobacteria.85192	Alphaproteobacteria.32429	Neorhizobium.6955	Neorhizobium_galegae.6942	ngl.5596	ngl:RG1141_PA11450   RNA polymerase sigma factor; K03088 RNA polymerase sigma-70 factor, ECF subfamily