# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.20331 Bacteria.454939 Firmicutes.125425 Firmicutes___Clostridia.60323 Clostridium.36807 Clostridium_sp_.6162 cls.2315 cls:CXIVA_23960 BisC; anaerobic dehydrogenase OC.20331 Bacteria.454939 Firmicutes.125425 Firmicutes___Clostridia.60323 Desulfitobacterium.3591 - ddh.912 ddh:Desde_0947 anaerobic dehydrogenase, typically selenocysteine-containing OC.20331 Bacteria.454939 Firmicutes.125425 Firmicutes___Clostridia.60323 Desulfitobacterium.3591 - ddl.341 ddl:Desdi_0326 anaerobic dehydrogenase, typically selenocysteine-containing OC.20331 Bacteria.454939 Firmicutes.125425 Firmicutes___Clostridia.60323 Desulfosporosinus.5714 - dmi.1882 dmi:Desmer_2075 anaerobic dehydrogenase, typically selenocysteine-containing OC.20331 Bacteria.454939 Firmicutes.125425 Firmicutes___Clostridia.60323 - - chy.2001 chy:CHY_2082 ndrA; probable respiratory nitrate reductase alpha subunit OC.20331 Bacteria.454939 Firmicutes.125425 Firmicutes___Clostridia.60323 - - mta.1842 mta:Moth_1908 molybdopterin oxidoreductase