# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.377936	Bacteria.324663	Firmicutes.136436	Megasphaera.913	med.2082	med:MELS_2142   rubredoxin
OC.377936	Bacteria.324663	Firmicutes.136436	Megasphaera.913	mhw.1217	mhw:ACT01_06445   rubredoxin
OC.377936	Bacteria.324663	Firmicutes.136436	Megasphaera.913	meg.556	meg:DKB62_02695   rubredoxin