>sp|P69991|URE2_YERPS Urease subunit beta OS=Yersinia pseudotuberculosis serotype I GN=ureB MSAKKSTKDSKEQNTPLGGLVLAETPITFNENKPVTKVKVRNTGDRPIQVGSHFHFFEVN RALEFDRAAAYGKRLNISSTTAIRFEPGDETEVPLIPFGGKQTLYGFNNLVDGWTGEGVV PNSERPDKLAAIRLAAERGFKSSK