# OC Root 2nd 3rd 4th PC Gene/Definition OC.35962 Bacteria.276180 Proteobacteria.177059 Gammaproteobacteria.442858 rfo.675 rfo:REIFOR_00658 ferric iron ABC transporter, ATP-binding protein; K02010 iron(III) transport system ATP-binding protein [EC:7.2.2.7]