| P17339 | URE3_MORMO | Morganella morganii (Proteus morganii) | ureA | Detail |
| A1UGT7 | URE3_MYCSK | Mycobacterium sp. (strain KMS) | ureA Mkms_2851 | Detail |
| Q2IZ52 | URE3_RHOP2 | Rhodopseudomonas palustris (strain HaA2) | ureA RPB_1800 | Detail |
| P37502 | YYBB_BACSU | Bacillus subtilis (strain 168) | yybB BSU40700 | Detail |
| P71311 | YAIS_ECOLI | Escherichia coli (strain K12) | yaiS b0364 JW0356 | Detail |
| P55667 | Y4TM_SINFN | Sinorhizobium fredii (strain NBRC 101917 / NGR234) | NGR_a01460 y4tM | Detail |
| O07747 | RPFC_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | rpfC Rv1884c MTCY180.34 | Detail |
| P0ADI7 | YECD_ECOLI | Escherichia coli (strain K12) | yecD b1867 JW5307 | Detail |
| P64982 | Y2322_MYCBO | Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97) | BQ2027_MB2322C | Detail |
| Q6LXF3 | Y1398_METMP | Methanococcus maripaludis (strain S2 / LL) | MMP1398 | Detail |