# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.372733 Bacteria.247433 Firmicutes.274845 Firmicutes___Clostridia.142064 Sulfobacillus.3191 sap.463 sap:Sulac_0485 Carbon-monoxide dehydrogenase (acceptor); K03518 aerobic carbon-monoxide dehydrogenase small subunit [EC:1.2.5.3]