# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.372723	Bacteria.247488	Actinobacteria.96659	Pseudonocardia.13353	pdx.6022	pdx:Psed_6471   Xanthine dehydrogenase; K03518 aerobic carbon-monoxide dehydrogenase small subunit [EC:1.2.5.3]