# OC Root 2nd 3rd 4th PC Gene/Definition OC.641985 Bacteria.318328 Spirochaetes.11140 Treponema.2497 taz.1665 taz:TREAZ_1812 conserved domain protein; K00176 2-oxoglutarate ferredoxin oxidoreductase subunit delta [EC:1.2.7.3] OC.641985 Bacteria.318328 Spirochaetes.11140 Treponema.2497 tpi.2924 tpi:TREPR_3422 conserved domain protein; K00176 2-oxoglutarate ferredoxin oxidoreductase subunit delta [EC:1.2.7.3] OC.641985 Bacteria.318328 Spirochaetes.11140 Treponema.2497 scd.2486 scd:Spica_2638 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein; K00176 2-oxoglutarate ferredoxin oxidoreductase subunit delta [EC:1.2.7.3]