# OC Root 2nd 3rd 4th PC Gene/Definition OC.275398 Archaea.17362 Euryarchaeota.16943 Haloterrigena.4379 htu.1016 htu:Htur_0936 succinate dehydrogenase or fumarate reductase, flavoprotein subunit; K00239 succinate dehydrogenase / fumarate reductase, flavoprotein subunit [EC:1.3.5.1 1.3.5.4] OC.275398 Archaea.17362 Euryarchaeota.16943 Haloterrigena.1328 hda.378 hda:BB347_01745 succinate dehydrogenase; K00239 succinate dehydrogenase / fumarate reductase, flavoprotein subunit [EC:1.3.5.1 1.3.5.4]