>tr|A0A0H2YGW4|A0A0H2YGW4_YERPN Fumarate and nitrate reduction regulatory protein OS=Yersinia pestis bv. Antiqua GN=YPN_1761 MIPEKRVIRRIQSGGYAIHCQDCSISQLCIPFTLNEHELDQLDNIIERKKPIQKGQALFK AGDELKSLYAIRSGTIKSYTITEEGDEQITGFHLAGDLVGFDAISNLQHPSFAQALETSM VCEIPFDTLDDLSGKMPNLRQQIMRLMSGEIKGDQDMILLLSKKNAEERLAAFIYNLSHR FAQRGFSPREFRLTMTRGDIGNYLGLTVETISRLLGRFQKSNILSVKGKYITIENNEALA QLAGNPKPRL