# OC Root 2nd 3rd 4th PC Gene/Definition OC.368577 Bacteria.178894 Firmicutes.293804 Firmicutes___Clostridia.169636 hor.1289 hor:Hore_13220 nitroreductase OC.368577 Bacteria.178893 - - caci.1289 caci:CLOAM1414 Nitroreductase