| P39384 | YJIM_ECOLI | Escherichia coli (strain K12) | yjiM b4335 JW5786 | Detail |
| Q05911 | PUR8_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | ADE13 YLR359W L8039.12 | Detail |
| Q5HEL4 | PUR8_STAAC | Staphylococcus aureus (strain COL) | purB SACOL1969 | Detail |
| Q2YU66 | PUR8_STAAB | Staphylococcus aureus (strain bovine RF122 / ET3-1) | purB SAB1843c | Detail |
| P72478 | PUR8_STRMU | Streptococcus mutans serotype c (strain ATCC 700610 / UA159) | purB SMU_59 | Detail |
| O07609 | YHFK_BACSU | Bacillus subtilis (strain 168) | yhfK BSU10260 | Detail |
| O27580 | PUR8_METTH | Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum) | purB MTH_1537 | Detail |
| Q8HXY5 | PUR8_MACFA | Macaca fascicularis (Crab-eating macaque) (Cynomolgus monkey) | ADSL QflA-14811 | Detail |
| Q54J34 | PUR8_DICDI | Dictyostelium discoideum (Slime mold) | purB DDB_G0288333 | Detail |
| P74384 | PUR8_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | purB sll0421 | Detail |