| P0CB00 | URE1_UREUR | Ureaplasma urealyticum (Ureaplasma urealyticum biotype 2) | ureC ureA | Detail |
| O54419 | URE2_ACTPL | Actinobacillus pleuropneumoniae (Haemophilus pleuropneumoniae) | ureB | Detail |
| A1KBB5 | URE2_AZOSB | Azoarcus sp. (strain BH72) | ureB azo3505 | Detail |
| P94361 | YXKH_BACSU | Bacillus subtilis (strain 168) | yxkH BSU38800 | Detail |
| Q9US38 | YFZ3_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPAC1039.03 | Detail |
| Q6FD85 | URE3_ACIAD | Acinetobacter baylyi (strain ATCC 33305 / BD413 / ADP1) | ureA ACIAD1089 | Detail |
| A3M3F0 | URE3_ACIBT | Acinetobacter baumannii (strain ATCC 17978 / CIP 53.77 / LMG 1025 / NCDC KC755 / 5377) | ureA A1S_1012 | Detail |
| B0V9P7 | URE3_ACIBY | Acinetobacter baumannii (strain AYE) | ureA ABAYE2778 | Detail |
| B9JR86 | URE3_AGRVS | Agrobacterium vitis (strain S4 / ATCC BAA-846) (Rhizobium vitis (strain S4)) | ureA Avi_3485 | Detail |
| Q7V1B5 | URE2_PROMP | Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 / MED4) | ureB PMM0964 | Detail |