| Q6UR53 | URE3_YERKR | Yersinia kristensenii | ureA | Detail |
| P73061 | URE1_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | ureC sll1750 | Detail |
| C4ZQD7 | RUTD_ECOBW | Escherichia coli (strain K12 / MC4100 / BW2952) | rutD BWG_0863 | Detail |
| Q1GJP7 | URE2_RUEST | Ruegeria sp. (strain TM1040) (Silicibacter sp.) | ureB TM1040_0386 | Detail |
| B0TT70 | URE2_SHEHH | Shewanella halifaxensis (strain HAW-EB4) | ureB Shal_3466 | Detail |
| A8Z386 | URE2_STAAT | Staphylococcus aureus (strain USA300 / TCH1516) | ureB USA300HOU_2270 | Detail |
| B7K906 | URE3_GLOC7 | Gloeothece citriformis (strain PCC 7424) (Cyanothece sp. (strain PCC 7424)) | ureA PCC7424_4411 | Detail |
| P87056 | YDJ8_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPAC57A10.08c | Detail |
| P41022 | URE3_SPOPA | Sporosarcina pasteurii (Bacillus pasteurii) | ureA | Detail |
| B5FBC6 | URE1_ALIFM | Aliivibrio fischeri (strain MJ11) (Vibrio fischeri) | ureC VFMJ11_0691 | Detail |