>sp|P0C6D0|FNR_VIBCH Fumarate and nitrate reduction regulatory protein OS=Vibrio cholerae serotype O1 GN=fnr MISEKPAAKRIQSGGCAIHCQDCSISQLCIPFTLNESELDQLDQIIERKKPIQKGQELFK AGDELRSLYAIRSGTIKSYTITEQGDEQITAFHLAGDLVGFDAITGDQHPSFAQALETSM VCEIPYEILDDLSGKMPKLRQQIMRLMSNEIKGDQEMILLLSKKNAEERLAAFLYNLSTR FSQRGFSPREFRLTMTRGDIGNYLGLTVETISRLLGRFQKSEILSVKGKYITILNHAELM ELAGVSKESK