# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509821 Bacteria.288910 Proteobacteria.118950 Betaproteobacteria.27336 Vitreoscilla.5045 vit.1709 vit:ADP71_22180 iron-sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein