>tr|A0A9P2RQ44|A0A9P2RQ44_YERPE Urease subunit beta OS=Yersinia pestis PY-100 GN=ureB MSAKKSTKDSKEQNTPLGGLVLAETPITFNENKPVTKVKVRNTGDRPIQVGSHFHFFEVN RALEFDRAAAYGKRLNISSTTAIRFEPGDETEVPLIPFGGKQTLYGFNNLVDGWTGEGVV PNSERPDKLAAIRLAAERGFKSSK