>sp|P00131|CYC3_DESVH Cytochrome c3 OS=Desulfovibrio vulgaris GN=DVU_3171 MRKLFFCGVLALAVAFALPVVAAPKAPADGLKMEATKQPVVFNHSTHKSVKCGDCHHPVN GKEDYRKCGTAGCHDSMDKKDKSAKGYYHVMHDKNTKFKSCVGCHVEVAGADAAKKKDLT GCKKSKCHE