# OC Root 2nd 3rd 4th PC Gene/Definition OC.503700 Archaea.16469 Euryarchaeota.15640 Halodesulfurarchaeum.633 halh.1580 halh:HTSR_1620 initiation factor 2B related protein OC.503700 Archaea.16469 Euryarchaeota.15640 Halodesulfurarchaeum.633 hhsr.1647 hhsr:HSR6_1688 initiation factor 2B related protein