| Q3J151 | URE2_RHOS4 | Rhodobacter sphaeroides (strain ATCC 17023 / 2.4.1 / NCIB 8253 / DSM 158) | ureB RHOS4_19150 RSP_0308 | Detail |
| Q21P95 | URE2_SACD2 | Saccharophagus degradans (strain 2-40 / ATCC 43961 / DSM 17024) | ureB Sde_0220 | Detail |
| B1W5G8 | URE2_STRGG | Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350) | ureB SGR_6296 | Detail |
| A3DGF8 | URE1_HUNT2 | Hungateiclostridium thermocellum (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372) (Clostridium thermocellum) | ureC Cthe_1816 | Detail |
| C1EWU0 | Y2790_BACC3 | Bacillus cereus (strain 03BB102) | BCA_2790 | Detail |
| Q7U3I4 | URE2_SYNPX | Synechococcus sp. (strain WH8102) | ureB SYNW2448 | Detail |
| A5GWV6 | URE2_SYNR3 | Synechococcus sp. (strain RCC307) | ureB SynRCC307_2462 | Detail |
| P0C7K8 | URE2_UREPA | Ureaplasma parvum serovar 3 (strain ATCC 700970) | ureB UU433 | Detail |
| Q3M710 | URE2_TRIV2 | Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis) | ureB Ava_3620 | Detail |
| Q8NUP5 | Y2501_STAAW | Staphylococcus aureus (strain MW2) | MW2501 | Detail |