| C3MGX4 | URE2_SINFN | Sinorhizobium fredii (strain NBRC 101917 / NGR234) | ureB NGR_c25030 | Detail |
| Q6GEE5 | URE2_STAAR | Staphylococcus aureus (strain MRSA252) | ureB SAR2373 | Detail |
| O67893 | Y2135_AQUAE | Aquifex aeolicus (strain VF5) | aq_2135 | Detail |
| B7V1T0 | URE2_PSEA8 | Pseudomonas aeruginosa (strain LESB58) | ureB PLES_52531 | Detail |
| Q9K9P8 | UVSE_BACHD | Bacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125) | uvsE BH2597 | Detail |
| A8FIG1 | UVSE_BACP2 | Bacillus pumilus (strain SAFR-032) | uvsE BPUM_3376 | Detail |
| Q6G693 | Y2467_STAAS | Staphylococcus aureus (strain MSSA476) | SAS2467 | Detail |
| A0JRH2 | URE3_ARTS2 | Arthrobacter sp. (strain FB24) | ureA Arth_0241 | Detail |
| Q492E7 | URE3_BLOPB | Blochmannia pennsylvanicus (strain BPEN) | ureA BPEN_544 | Detail |
| P54984 | Y100_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | sll0100 | Detail |