| Q9ZDL9 | SYH_RICPR | Rickettsia prowazekii (strain Madrid E) | hisS RP308 | Detail |
| Q3SL69 | SYH_THIDA | Thiobacillus denitrificans (strain ATCC 25259) | hisS Tbd_0595 | Detail |
| A2SQI5 | SYH_METLZ | Methanocorpusculum labreanum (strain ATCC 43576 / DSM 4855 / Z) | hisS Mlab_0415 | Detail |
| Q9PQK6 | SYH_UREPA | Ureaplasma parvum serovar 3 (strain ATCC 700970) | hisS UU285 | Detail |
| B4TR94 | SYH_SALSV | Salmonella schwarzengrund (strain CVM19633) | hisS SeSA_A2760 | Detail |
| C1AF49 | SYH_MYCBT | Mycobacterium bovis (strain BCG / Tokyo 172 / ATCC 35737 / TMC 1019) | hisS JTY_2597 | Detail |
| Q3MAV8 | SYH_TRIV2 | Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis) | hisS Ava_2260 | Detail |
| Q8A6N7 | SYH_BACTN | Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / NCTC 10582 / E50 / VPI-5482) | hisS BT_1840 | Detail |
| P62351 | SYH_WOLPM | Wolbachia pipientis wMel | hisS WD_1076 | Detail |
| Q7M8S6 | SYH_WOLSU | Wolinella succinogenes (strain ATCC 29543 / DSM 1740 / LMG 7466 / NCTC 11488 / FDC 602W) (Vibrio succinogenes) | hisS WS1449 | Detail |