| A1B3C5 | SYH_PARDP | Paracoccus denitrificans (strain Pd 1222) | hisS Pden_1925 | Detail |
| P60912 | SYH_STAAW | Staphylococcus aureus (strain MW2) | hisS MW1581 | Detail |
| Q827T0 | SYH_STRAW | Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680) | hisS SAV_6844 | Detail |
| Q4QNH3 | SYH_HAEI8 | Haemophilus influenzae (strain 86-028NP) | hisS NTHI0489 | Detail |
| C0MB21 | SYH_STRE4 | Streptococcus equi subsp. equi (strain 4047) | hisS SEQ_2174 | Detail |
| Q7VCG1 | SYH_PROMA | Prochlorococcus marinus (strain SARG / CCMP1375 / SS120) | hisS Pro_0779 | Detail |
| Q8NZ19 | SYH_STRP8 | Streptococcus pyogenes serotype M18 (strain MGAS8232) | hisS spyM18_2189 | Detail |
| Q30RH3 | SYH_SULDN | Sulfurimonas denitrificans (strain ATCC 33889 / DSM 1251) (Thiomicrospira denitrificans (strain ATCC 33889 / DSM 1251)) | hisS Suden_1130 | Detail |
| C3MY40 | SYH_SULIM | Sulfolobus islandicus (strain M.14.25 / Kamchatka #1) | hisS M1425_1853 | Detail |
| Q975U9 | SYH_SULTO | Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7) (Sulfolobus tokodaii) | hisS STK_03230 | Detail |