| C1ATY6 | HIS3_RHOOB | Rhodococcus opacus (strain B4) | hisI ROP_07470 | Detail |
| Q3AT43 | HIS3_CHLCH | Chlorobium chlorochromatii (strain CaD3) | hisI Cag_0559 | Detail |
| A4FLL5 | HIS3_SACEN | Saccharopolyspora erythraea (strain ATCC 11635 / DSM 40517 / JCM 4748 / NBRC 13426 / NCIMB 8594 / NRRL 2338) | hisI SACE_5755 | Detail |
| Q6A8P2 | HIS3_CUTAK | Cutibacterium acnes (strain DSM 16379 / KPA171202) (Propionibacterium acnes) | hisI PPA1126 | Detail |
| B8GU33 | HIS3_THISH | Thioalkalivibrio sulfidiphilus (strain HL-EbGR7) | hisI Tgr7_0217 | Detail |
| Q2NAM2 | HIS3_ERYLH | Erythrobacter litoralis (strain HTCC2594) | hisI ELI_05885 | Detail |
| A1KAV3 | HIS3_AZOSB | Azoarcus sp. (strain BH72) | hisI azo3343 | Detail |
| Q3MHZ7 | GPI8_BOVIN | Bos taurus (Bovine) | PIGK | Detail |
| P49048 | GPI8_CAEEL | Caenorhabditis elegans | pigk-1 hpo-4 T05E11.6 | Detail |
| A1R5S3 | HIS3_PAEAT | Paenarthrobacter aurescens (strain TC1) | hisI AAur_1834 | Detail |