# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509937 Bacteria.288925 Proteobacteria.118915 Betaproteobacteria.124415 Vitreoscilla.1527 vff.1490 vff:VITFI_CDS1631 Putative iron-sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein