| A9NBU3 | PYRB_COXBR | Coxiella burnetii (strain RSA 331 / Henzerling II) | pyrB COXBURSA331_A2221 | Detail |
| A7NLW6 | PYRB_ROSCS | Roseiflexus castenholzii (strain DSM 13941 / HLO8) | pyrB Rcas_2434 | Detail |
| O32163 | SUFU_BACSU | Bacillus subtilis (strain 168) | sufU iscU nifU yurV BSU32680 | Detail |
| B2K421 | PYRB_YERPB | Yersinia pseudotuberculosis serotype IB (strain PB1/+) | pyrB YPTS_3717 | Detail |
| B6JKT9 | PYRB_HELP2 | Helicobacter pylori (strain P12) | pyrB HPP12_0360 | Detail |
| B5R1I6 | PYRB_SALEP | Salmonella enteritidis PT4 (strain P125109) | pyrB SEN4211 | Detail |
| Q9CCR5 | PYRB_MYCLE | Mycobacterium leprae (strain TN) | pyrB ML0532 | Detail |
| Q9A5K4 | PYRB_CAUVC | Caulobacter vibrioides (strain ATCC 19089 / CB15) (Caulobacter crescentus) | pyrB CC_2443 | Detail |
| A5N2L8 | PYRB_CLOK5 | Clostridium kluyveri (strain ATCC 8527 / DSM 555 / NCIMB 10680) | pyrB CKL_3361 | Detail |
| C5CL68 | PYRB_VARPS | Variovorax paradoxus (strain S110) | pyrB Vapar_4614 | Detail |