>sp|Q8XXT0|URE2_RALN1 Urease subunit beta OS=Ralstonia nicotianae GN=ureB MIPGELLPQDGDLELNAGRPTLTVTVANTGDRPVQIGSHYHFHEVNDALRFDREATRGYR LNIAAGTAVRFEPGQERTVELVALAGDRVVYGFAGRVMGKL