| Q9KNA8 | PHR_VIBCH | Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) | phrA VcPhr VC_A0057 | Detail |
| P12768 | PHR_STRGR | Streptomyces griseus | phr | Detail |
| P05327 | PHR_SYNP6 | Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis nidulans) | phr phrA syc1392_c | Detail |
| P39994 | YEC0_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | YEL020C | Detail |
| Q9Y7M1 | YGK4_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPBC725.04 | Detail |
| O07609 | YHFK_BACSU | Bacillus subtilis (strain 168) | yhfK BSU10260 | Detail |
| Q89AJ9 | PHR_BUCBP | Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp) | phrB bbp_278 | Detail |
| P58818 | PHR_METTM | Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg) (Methanobacterium thermoautotrophicum) | phr MTBMA_c12980 | Detail |
| P25078 | PHR_SALTY | Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) | phrB phr STM0709 | Detail |
| P27714 | NIFB_HERSE | Herbaspirillum seropedicae | nifB | Detail |