| Q9ZKA2 | PUR8_HELPJ | Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99) | purB jhp_1039 | Detail |
| A0A2P1GIW3 | TS_CATRO | Catharanthus roseus (Madagascar periwinkle) (Vinca rosea) | TS HL2 | Detail |
| O31608 | YJBJ_BACSU | Bacillus subtilis (strain 168) | yjbJ BSU11570 | Detail |
| Q99SX9 | PUR8_STAAM | Staphylococcus aureus (strain Mu50 / ATCC 700699) | purB SAV1908 | Detail |
| A3KN12 | PUR8_BOVIN | Bos taurus (Bovine) | ADSL | Detail |
| P57351 | PUR8_BUCAI | Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium) | purB BU263 | Detail |
| P21265 | PUR8_CHICK | Gallus gallus (Chicken) | ADSL | Detail |
| Q7A0G9 | PUR8_STAAW | Staphylococcus aureus (strain MW2) | purB MW1849 | Detail |
| Q9UZ99 | PUR8_PYRAB | Pyrococcus abyssi (strain GE5 / Orsay) | purB PYRAB12550 PAB0829 | Detail |
| O58582 | PUR8_PYRHO | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | purB PH0852 | Detail |