| Q3IMP5 | SYH_NATPD | Natronomonas pharaonis (strain ATCC 35678 / DSM 2160 / CIP 103997 / NBRC 14720 / NCIMB 2260 / Gabara) (Halobacterium pharaonis) | hisS NP_5044A | Detail |
| A4WD92 | SYH_ENT38 | Enterobacter sp. (strain 638) | hisS Ent638_3008 | Detail |
| P62373 | SYH_PHOPR | Photobacterium profundum (strain SS9) | hisS PBPRA0764 | Detail |
| B1VA46 | SYH_PHYAS | Phytoplasma australiense | hisS PA0485 | Detail |
| Q8CWW2 | SYH_STRMU | Streptococcus mutans serotype c (strain ATCC 700610 / UA159) | hisS SMU_2102 | Detail |
| A4WIN2 | SYH_PYRAR | Pyrobaculum arsenaticum (strain DSM 13514 / JCM 11321) | hisS Pars_0658 | Detail |
| Q6ADR4 | SYH_LEIXX | Leifsonia xyli subsp. xyli (strain CTCB07) | hisS Lxx17220 | Detail |
| B7IHK5 | SYH_THEAB | Thermosipho africanus (strain TCF52B) | hisS THA_1116 | Detail |
| Q81N41 | SYH1_BACAN | Bacillus anthracis | hisS-1 BA_3376 GBAA_3376 BAS3130 | Detail |
| B0K977 | SYH_THEP3 | Thermoanaerobacter pseudethanolicus (strain ATCC 33223 / 39E) (Clostridium thermohydrosulfuricum) | hisS Teth39_1035 | Detail |