| Q2KE60 | HIS4_RHIEC | Rhizobium etli (strain CFN 42 / ATCC 51251) | hisA RHE_CH00043 | Detail |
| Q1QRX1 | HIS4_NITHX | Nitrobacter hamburgensis (strain DSM 10229 / NCIMB 13809 / X14) | hisA Nham_0125 | Detail |
| C6E7F5 | HIS4_GEOSM | Geobacter sp. (strain M21) | hisA GM21_3796 | Detail |
| Q9CC56 | HIS4_MYCLE | Mycobacterium leprae (strain TN) | priA hisA ML1261 MLCB1610.24 | Detail |
| B3DQA4 | HIS4_BIFLD | Bifidobacterium longum (strain DJO10A) | hisA BLD_0157 | Detail |
| C1FN40 | HIS4_CLOBJ | Clostridium botulinum (strain Kyoto / Type A2) | hisA CLM_1811 | Detail |
| Q63Q91 | HIS4_BURPS | Burkholderia pseudomallei (strain K96243) | hisA BPSL3134 | Detail |
| A0K3V7 | HIS4_BURCH | Burkholderia cenocepacia (strain HI2424) | hisA Bcen2424_0430 | Detail |
| B2S983 | HIS4_BRUA1 | Brucella abortus (strain S19) | hisA BAbS19_I19530 | Detail |
| Q083K0 | HIS4_SHEFN | Shewanella frigidimarina (strain NCIMB 400) | hisA Sfri_1715 | Detail |