# OC Root 2nd 3rd 4th PC Gene/Definition OC.252638 Archaea.17357 Euryarchaeota.16938 Halodesulfurarchaeum.1412 halh.506 halh:HTSR_0521 major facilitator superfamily MFS_1 OC.252638 Archaea.17357 Euryarchaeota.16938 Halodesulfurarchaeum.1412 hhsr.494 hhsr:HSR6_0505 major facilitator superfamily MFS_1