>tr|Q087M8|Q087M8_SHEFN Fumarate reductase iron-sulfur subunit OS=Shewanella frigidimarina (strain NCIMB 400) OX=318167 GN=Sfri_0678 PE=3 SV=1 MSRKITFNIFRYDPQDSQDKPKMERYELTETDGMTVFIALNQLREQQDTSLQFDFVCRAG ICGSCAMVINGFPTLACRTLTANYPDGEITLMPLPGFELIGDLSVNTGKFMRELAERLKL WLHPKPDDQDMHRLENPMAPEEAARIYELERCVECGVCVSACATKQMRDTFVGAVGMMKI ARFEMDSRDNRSADDFYHVIGNQDGVFGCMTLLGCQDNCPKDLPHMQQIAYLRRKMASTI L