# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.77879 Bacteria.40752 Firmicutes.275425 Firmicutes___Clostridia.142812 Tepidanaerobacter.1899 tep.423 tep:TepRe1_0437 L-iditol 2-dehydrogenase OC.77879 Bacteria.40752 Firmicutes.275425 Firmicutes___Clostridia.142812 Tepidanaerobacter.1899 tae.443 tae:TepiRe1_0484 L-iditol 2-dehydrogenase; K00004 (R,R)-butanediol dehydrogenase / meso-butanediol dehydrogenase / diacetyl reductase [EC:1.1.1.4 1.1.1.- 1.1.1.303]