# OC Root 2nd 3rd PC Gene/Definition OC.78026 Archaea.32856 Euryarchaeota.38036 hlr.22 hlr:HALLA_01855 hypothetical protein; K00004 (R,R)-butanediol dehydrogenase / meso-butanediol dehydrogenase / diacetyl reductase [EC:1.1.1.4 1.1.1.- 1.1.1.303] OC.78026 Archaea.32856 Euryarchaeota.38036 hlr.22 hlr:HALLA_01915 hypothetical protein; K00004 (R,R)-butanediol dehydrogenase / meso-butanediol dehydrogenase / diacetyl reductase [EC:1.1.1.4 1.1.1.- 1.1.1.303]