# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.509819 Bacteria.288908 Proteobacteria.118936 Gammaproteobacteria.276721 Gammaproteobacteria___Enterobacteria.90666 Riesia.585 rip.195 rip:RIEPE_0208 iron-sulfur cluster assembly accessory protein; K15724 iron-sulfur cluster insertion protein