# OC Root 2nd 3rd 4th PC Gene/Definition OC.509823 Bacteria.288915 Proteobacteria.118943 Gammaproteobacteria.16147 ttu.2697 ttu:TERTU_3061 HesB/YadR/YfhF-like iron-sulfur cluster assembly accessory family protein; K15724 iron-sulfur cluster insertion protein