>tr|A0A0E1NXQ9|A0A0E1NXQ9_YERPA Fumarate and nitrate reduction regulatory protein OS=Yersinia pestis bv. Antiqua GN=YPA_1649 MIPEKRVIRRIQSGGYAIHCQDCSISQLCIPFTLNEHELDQLDNIIERKKPIQKGQALFK AGDELKSLYAIRSGTIKSYTITEEGDEQITGFHLAGDLVGFDAISNLQHPSFAQALETSM VCEIPFDTLDDLSGKMPNLRQQIMRLMSGEIKGDQDMILLLSKKNAEERLAAFIYNLSHR FAQRGFSPREFRLTMTRGDIGNYLGLTVETISRLLGRFQKSNILSVKGKYITIENNEALA QLAGNPKPRL