# OC Root 2nd 3rd 4th PC Gene/Definition OC.503700 Archaea.16469 Euryarchaeota.15639 Haloterrigena.2732 hda.2319 hda:BB347_11970 initiation factor 2B OC.503700 Archaea.16469 Euryarchaeota.15639 Haloterrigena.6314 htu.3531 htu:Htur_3564 initiation factor 2B related protein