# OC Root 2nd 3rd 4th PC Gene/Definition OC.412405 Archaea.16521 Euryarchaeota.15702 Halodesulfurarchaeum.239 halh.1216 halh:HTSR_1251 mgtC family protein OC.412405 Archaea.16521 Euryarchaeota.15702 Halodesulfurarchaeum.239 hhsr.1288 hhsr:HSR6_1324 mgtC family protein