| Q3AMW4 | PYRB_SYNSC | Synechococcus sp. (strain CC9605) | pyrB Syncc9605_0292 | Detail |
| Q30X38 | PYRB_DESAG | Desulfovibrio alaskensis (strain G20) (Desulfovibrio desulfuricans (strain G20)) | pyrB Dde_2964 | Detail |
| A3PN48 | PYRB_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | pyrB Rsph17029_2662 | Detail |
| Q1AVY6 | PYRB_RUBXD | Rubrobacter xylanophilus (strain DSM 9941 / NBRC 16129) | pyrB Rxyl_1480 | Detail |
| B0VAL3 | PYRB_ACIBY | Acinetobacter baumannii (strain AYE) | pyrB ABAYE2578 | Detail |
| B2IQ69 | PYRB_STRPS | Streptococcus pneumoniae (strain CGSP14) | pyrB SPCG_1241 | Detail |
| A3NCQ0 | PYRB_BURP6 | Burkholderia pseudomallei (strain 668) | pyrB BURPS668_3109 | Detail |
| Q6L0F2 | PYRB_PICTO | Picrophilus torridus (strain ATCC 700027 / DSM 9790 / JCM 10055 / NBRC 100828) | pyrB PTO0965 | Detail |
| A2C066 | PYRB_PROM1 | Prochlorococcus marinus (strain NATL1A) | pyrB NATL1_03121 | Detail |
| Q7V355 | PYRB_PROMP | Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 / MED4) | pyrB PMM0233 | Detail |