>tr|Q4QKE9|Q4QKE9_HAEI8 Fumarate and nitrate reduction regulatory protein OS=Haemophilus influenzae GN=fnr MKNFVAGAQSGRKIQSGGCAIHCQDCSISQLCIPFTLNEQELDQLDNIIERKKPIQKSQV LFKAGDSLNSIYAIRSGTIKSYTISESGEEQITSFHLPGDLVGFDAITQMQHPSFAQALE TAMVCEIPFDILDDLAGKMPKLRQQILRLMSSEIKSDQEMILLLSKMNAEERLAAFIHNL SKRYSARGFSAREFRLTMTRGDIGNYLGLTVETISRLLGRFQKLGVISVQGKYITINDLN GLIELTGTNKTKITLVK