>tr|A0A221IRG7|A0A221IRG7_PROSP Urease subunit beta OS=Providencia sp GN=ureB MIPGEIKVNHALGDIELNAGRETQTIQVANHGDRPIQIGSHYHFYEVNDALKFERENTLG FRLNIPAGMAVRFEPGQSRTVELVAFSGKREIYGFHGKVMGKLESEN