# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.20819	Bacteria.426896	Proteobacteria.222860	Betaproteobacteria.130890	sdr.1833	sdr:SCD_n01884   hdrA; heterodisulfide reductase subunit A; K16885 quinone-modifying oxidoreductase, subunit QmoA