| A1V9B1 | SYH_DESVV | Desulfovibrio vulgaris subsp. vulgaris (strain DP4) | hisS Dvul_0027 | Detail |
| B7UGW0 | SYH_ECO27 | Escherichia coli O127:H6 (strain E2348/69 / EPEC) | hisS E2348C_2797 | Detail |
| B7MYE9 | SYH_ECO81 | Escherichia coli O81 (strain ED1a) | hisS ECED1_2945 | Detail |
| Q0AYS2 | SYH_SYNWW | Syntrophomonas wolfei subsp. wolfei (strain DSM 2245B / Goettingen) | hisS Swol_0811 | Detail |
| Q04WC4 | SYH_LEPBJ | Leptospira borgpetersenii serovar Hardjo-bovis (strain JB197) | hisS LBJ_0042 | Detail |
| P62370 | SYH2_BACC1 | Bacillus cereus (strain ATCC 10987 / NRS 248) | hisS2 BCE_4486 | Detail |
| A4Y8T9 | SYH_SHEPC | Shewanella putrefaciens (strain CN-32 / ATCC BAA-453) | hisS Sputcn32_2651 | Detail |
| B0B8B7 | SYH_CHLT2 | Chlamydia trachomatis serovar L2 (strain 434/Bu / ATCC VR-902B) | hisS CTL0805 | Detail |
| A1BDE6 | SYH_CHLPD | Chlorobium phaeobacteroides (strain DSM 266) | hisS Cpha266_0364 | Detail |
| Q9Z7P1 | SYH_CHLPN | Chlamydia pneumoniae (Chlamydophila pneumoniae) | hisS CPn_0663 CP_0084 CPj0663 CpB0689 | Detail |