>tr|C3SGB7|C3SGB7_ECOLX Fumarate reductase subunit C OS=Escherichia coli GN=frdC MTTKRKPYVRPMTSTWWKKLPFYRFYMLREGTAVPAVWFSIELIFGLFALKNGPEAWAGF VDFLQNPVIVIINLITLAAALLHTKTWFELAPKAANIIVKDEKMGPEPIIKSLWAVTVVA TIVILFVALYW