| A1BDQ9 | HIS3_CHLPD | Chlorobium phaeobacteroides (strain DSM 266) | hisI Cpha266_0479 | Detail |
| Q1QWC3 | HIS3_CHRSD | Chromohalobacter salexigens (strain DSM 3043 / ATCC BAA-138 / NCIMB 13768) | hisI Csal_1883 | Detail |
| Q2HJM9 | MEST_BOVIN | Bos taurus (Bovine) | MEST PEG1 | Detail |
| A1AVW3 | HIS3_RUTMC | Ruthia magnifica subsp. Calyptogena magnifica | hisI Rmag_0289 | Detail |
| Q970Y6 | HIS3_SULTO | Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7) (Sulfolobus tokodaii) | hisI STK_14670 | Detail |
| A0QX88 | HIS3_MYCS2 | Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (Mycobacterium smegmatis) | hisI MSMEG_3212 MSMEI_3130 | Detail |
| Q7VSY5 | HIS3_BORPE | Bordetella pertussis (strain Tohama I / ATCC BAA-589 / NCTC 13251) | hisI BP3774 | Detail |
| A3P026 | HIS3_BURP0 | Burkholderia pseudomallei (strain 1106a) | hisI BURPS1106A_3717 | Detail |
| Q9CPS6 | HINT3_MOUSE | Mus musculus (Mouse) | Hint3 Hint4 | Detail |
| Q687E1 | NPP_HORVU | Hordeum vulgare (Barley) | npp | Detail |