# OC Root 2nd 3rd PC Gene/Definition OC.509838 Bacteria.495576 Verrucomicrobia.1037 obg.3237 obg:Verru16b_03379 erpA; Iron-sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein OC.509839 Bacteria.587209 Verrucomicrobia.2143 obg.1694 obg:Verru16b_01739 iscA; Iron-binding protein IscA; K13628 iron-sulfur cluster assembly protein