# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509833 Bacteria.288904 Proteobacteria.118926 Gammaproteobacteria.36981 Gammaproteobacteria___Enterobacteria.111389 ppet.118 ppet:C9I82_126 Iron-sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein