# OC Root 2nd 3rd 4th PC Gene/Definition OC.509830 Bacteria.288875 Proteobacteria.126907 Alphaproteobacteria.322197 mgm.2792 mgm:Mmc1_3357 iron-sulfur cluster assembly accessory protein OC.509831 Bacteria.1266760 - - mox.1517 mox:DAMO_1606 iscA; Iron-binding protein IscA (iron-sulfur cluster assembly protein) OC.509832 Bacteria.1258834 Verrucomicrobia.9320 - min.529 min:Minf_0487 sufA; Fe-S cluster assembly scaffold protein