| Q15R57 | SYH_PSEA6 | Pseudoalteromonas atlantica (strain T6c / ATCC BAA-1087) | hisS Patl_3125 | Detail |
| Q1CS74 | SYH_HELPH | Helicobacter pylori (strain HPAG1) | hisS HPAG1_1131 | Detail |
| Q4K6V0 | SYH_PSEF5 | Pseudomonas fluorescens (strain ATCC BAA-477 / NRRL B-23932 / Pf-5) | hisS PFL_4953 | Detail |
| Q4UM71 | SYH_RICFE | Rickettsia felis (strain ATCC VR-1525 / URRWXCal2) (Rickettsia azadi) | hisS RF_0498 | Detail |
| B9KHM7 | SYH_ANAMF | Anaplasma marginale (strain Florida) | hisS AMF_101 | Detail |
| A0PPE8 | SYH_MYCUA | Mycobacterium ulcerans (strain Agy99) | hisS MUL_1732 | Detail |
| Q5H0L6 | SYH_XANOR | Xanthomonas oryzae pv. oryzae (strain KACC10331 / KXO85) | hisS XOO2251 | Detail |
| P07263 | SYH_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | HTS1 YPR033C YP9367.13C | Detail |
| Q9KXP2 | SYH_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | hisS SCO1508 SC9C5.32c | Detail |
| Q7V263 | SYH_PROMP | Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 / MED4) | hisS PMM0623 | Detail |