| Q4JAY2 | SYH_SULAC | Sulfolobus acidocaldarius (strain ATCC 33909 / DSM 639 / JCM 8929 / NBRC 15157 / NCIMB 11770) | hisS Saci_0663 | Detail |
| C3MRE4 | SYH_SULIL | Sulfolobus islandicus (strain L.S.2.15 / Lassen #1) | hisS LS215_1962 | Detail |
| O58028 | SYH_PYRHO | Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3) | hisS PH0290 PHBM048 | Detail |
| Q71ZF0 | SYH_LISMF | Listeria monocytogenes serotype 4b (strain F2365) | hisS LMOf2365_1539 | Detail |
| P60919 | SYH_RHOPA | Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009) | hisS RPA1178 | Detail |
| Q5JIM2 | SYH_THEKO | Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1) (Pyrococcus kodakaraensis (strain KOD1)) | hisS TK1562 | Detail |
| Q81B71 | SYH1_BACCR | Bacillus cereus (strain ATCC 14579 / DSM 31 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NRRL B-3711) | hisS-1 BC_3317 | Detail |
| Q5WHP4 | SYH1_BACSK | Bacillus clausii (strain KSM-K16) | hisS1 ABC1576 | Detail |
| P46220 | SYH_SACSH | Saccharolobus shibatae (Sulfolobus shibatae) | hisS | Detail |
| A1RHQ4 | SYH_SHESW | Shewanella sp. (strain W3-18-1) | hisS Sputw3181_1356 | Detail |