| Q5HV27 | SYH_CAMJR | Campylobacter jejuni (strain RM1221) | hisS CJE0856 | Detail |
| Q252T8 | SYH_CHLFF | Chlamydia felis (strain Fe/C-56) (Chlamydophila felis) | hisS CF0928 | Detail |
| B1XAY9 | SYH_ECODH | Escherichia coli (strain K12 / DH10B) | hisS ECDH10B_2680 | Detail |
| C5BET0 | SYH_EDWI9 | Edwardsiella ictaluri (strain 93-146) | hisS NT01EI_3168 | Detail |
| P60922 | SYH_NANEQ | Nanoarchaeum equitans (strain Kin4-M) | hisS NEQ102 | Detail |
| A6Q371 | SYH_NITSB | Nitratiruptor sp. (strain SB155-2) | hisS NIS_0818 | Detail |
| B7LKC4 | SYH_ESCF3 | Escherichia fergusonii (strain ATCC 35469 / DSM 13698 / CDC 0568-73) | hisS EFER_0658 | Detail |
| Q028M4 | SYH_SOLUE | Solibacter usitatus (strain Ellin6076) | hisS Acid_1537 | Detail |
| C4L534 | SYH_EXISA | Exiguobacterium sp. (strain ATCC BAA-1283 / AT1b) | hisS EAT1b_2704 | Detail |
| Q2FXU4 | SYH_STAA8 | Staphylococcus aureus (strain NCTC 8325) | hisS SAOUHSC_01738 | Detail |