# OC Root 2nd 3rd 4th PC Gene/Definition OC.168110 Archaea.18239 Euryarchaeota.18263 Halodesulfurarchaeum.752 halh.1704 halh:HTSR_1749 electron transfer flavoprotein subunit beta; K03521 electron transfer flavoprotein beta subunit OC.168110 Archaea.18239 Euryarchaeota.18263 Halodesulfurarchaeum.752 hhsr.1767 hhsr:HSR6_1815 electron transfer flavoprotein subunit beta; K03521 electron transfer flavoprotein beta subunit