>sp|Q3A221|DFX_SYNC1 Desulfoferrodoxin OS=Syntrophotalea carbinolica GN=dfx MAEKLEVYKCELCGNIVEVLHGGAGELVCCGKPMNLLNENTVDAAKEKHVPVIEKTNDGI IVKVGSVAHPMEEKHFIQWIELIANGKAYRQHLSPGDKPEACFPLITGPLKVREYCNLHG LWSSEG