>sp|P44893|FRDB_HAEIN Fumarate reductase iron-sulfur subunit OS=Haemophilus influenzae GN=frdB MANSPVMNVEVLRYNPEIDQEPHLSTYQVPYDNQTSLLDALGYIKDKLEPSLSYRWSCRM AICGSCGMMVNNKPKLACKTFLRDYSGHMRIEPLANFPIERDLVVDLSHFIESLEAIKPY IIGNEAPALDGKPHPSKELQVSRTKQTPAQLEKYRQFSMCINCGLCYAACPQFGLNPEFL GPAAITMAHRYNLDNRDHGKAKRMSLLNGKNGVWSCTFVGYCSEVCPKHVDPASAINQGK VESAKDYVISMLKPKG