>tr|A0AA43NAV1|A0AA43NAV1_9RALS Urease subunit beta OS=Ralstonia sp. GP73 GN=ureB MIPGELLPQDGDLELNAGRPTVTVTVANTGDRPVQIGSHYHFYEVNDALRFDREAARGFR LNIAAGTAVRFEPGQERTVELVALAGDRVVYGFAGRVMGKL