# OC Root 2nd 3rd 4th PC Gene/Definition OC.335170 Archaea.12684 Crenarchaeota.8809 Ignicoccus.1410 iho.1363 iho:Igni_1377 putative nitrate reductase, subunit H; K02574 ferredoxin-type protein NapH OC.335170 Archaea.12684 Crenarchaeota.8809 Ignicoccus.1443 iis.162 iis:EYM_00770 polyferredoxin; K02574 ferredoxin-type protein NapH OC.335170 Archaea.12684 Crenarchaeota.8809 - hbu.1321 hbu:Hbut_1381 Polyferredoxin OC.335170 Archaea.12684 Crenarchaeota.8809 - pfm.1277 pfm:Pyrfu_1329 polyferredoxin; K02574 ferredoxin-type protein NapH OC.335170 Archaea.12684 Crenarchaeota.8809 - pdl.1146 pdl:Pyrde_1156 polyferredoxin; K02574 ferredoxin-type protein NapH