>tr|A6UMF7|A6UMF7_SINMW 4Fe-4S ferredoxin iron-sulfur binding domain protein OS=Sinorhizobium medicae GN=Smed_6234 MAFKIIASQCTQCGACEFECPRGAVNFKGEKYVIDPTKCNECKGGFDTQQCASVCPVSNT CVPA