# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.378011 Bacteria.429071 Firmicutes.264506 Firmicutes___Clostridia.127985 Hungateiclostridium.2426 Hungateiclostridium_thermocellum.202 cth.1223 cth:Cthe_1269 iron-sulfur cluster-binding protein OC.378011 Bacteria.429071 Firmicutes.264506 Firmicutes___Clostridia.127985 Hungateiclostridium.2426 Hungateiclostridium_thermocellum.202 ctx.961 ctx:Clo1313_0989 iron-sulfur cluster-binding protein