# OC Root 2nd 3rd PC Gene/Definition OC.638784 Archaea.55086 Euryarchaeota.39329 mla.96 mla:Mlab_0037 transcriptional regulator, XRE family; K07729 putative transcriptional regulator OC.638784 Archaea.55086 Euryarchaeota.39329 mpi.2489 mpi:Mpet_2713 transcriptional regulator, XRE family; K07729 putative transcriptional regulator