>sp|A5F890|FNR_VIBC3 Fumarate and nitrate reduction regulatory protein OS=Vibrio cholerae serotype O1 GN=fnr MISEKPAAKRIQSGGCAIHCQDCSISQLCIPFTLNESELDQLDQIIERKKPIQKGQELFK AGDELRSLYAIRSGTIKSYTITEQGDEQITAFHLAGDLVGFDAITGDQHPSFAQALETSM VCEIPYEILDDLSGKMPKLRQQIMRLMSNEIKGDQEMILLLSKKNAEERLAAFLYNLSTR FSQRGFSPREFRLTMTRGDIGNYLGLTVETISRLLGRFQKSEILSVKGKYITILNHAELM ELAGVSKESK