# OC Root 2nd 3rd 4th PC Gene/Definition OC.503700 Archaea.16469 Euryarchaeota.15639 Natronolimnobius.2000 nag.297 nag:AArcMg_0285 translation initiation factor eIF-2B alpha subunit OC.503700 Archaea.16469 Euryarchaeota.15639 Natronolimnobius.2000 nan.299 nan:AArc1_0295 Translation initiation factor 2B subunit, eIF-2Balpha/beta/delta family