# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.509947 Bacteria.288868 Proteobacteria.126904 Alphaproteobacteria.157541 Rhodospirillum.1486 Rhodospirillum_rubrum.1422 rru.2264 rru:Rru_A2271 HesB/YadR/YfhF; K13628 iron-sulfur cluster assembly protein OC.509947 Bacteria.288868 Proteobacteria.126904 Alphaproteobacteria.157541 Rhodospirillum.1486 Rhodospirillum_rubrum.1422 rrf.2328 rrf:F11_11680 HesB/YadR/YfhF; K13628 iron-sulfur cluster assembly protein