# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509823 Bacteria.288915 Proteobacteria.118943 Gammaproteobacteria.207230 Thalassolituus.2267 tol.337 tol:TOL_0314 HesB/YadR/YfhF family protein; K15724 iron-sulfur cluster insertion protein OC.509823 Bacteria.288915 Proteobacteria.118943 Gammaproteobacteria.207230 Thalassolituus.2267 tor.301 tor:R615_01465 iron--sulfur cluster insertion protein ErpA; K15724 iron-sulfur cluster insertion protein