# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.509836 Bacteria.495575 Proteobacteria.118934 Alphaproteobacteria.9627 Roseovarius.2473 rmm.339 rmm:ROSMUCSMR3_00312 erpA; iron-sulfur cluster insertion protein ErpA OC.509836 Bacteria.495575 Proteobacteria.118934 Alphaproteobacteria.9627 Roseovarius.2473 rok.3141 rok:RAK1035_3155 putative iron binding protein from the HesB_IscA_SufA family