>tr|A0A2A9J3Y0|A0A2A9J3Y0_SACEN Urease subunit beta OS=Saccharopolyspora erythraea GN=ureB MRPGEIITGDGPVPLNPGRPRVRITVVNRADRAVQVGSHYHFAAVNEGLEFDRAAAWGHR LDVPAGTAVRFEPGVEREVRLVPVGGSRRVPGLRPEYAGELDGRGHEPTAPNYGEKGQGH FE