| Q5P7B4 | SYH_AROAE | Aromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1)) | hisS AZOSEA06740 ebA1260 | Detail |
| B7VJT9 | SYH_VIBTL | Vibrio tasmaniensis (strain LGP32) (Vibrio splendidus (strain Mel32)) | hisS VS_0620 | Detail |
| B8ER30 | SYH_METSB | Methylocella silvestris (strain DSM 15510 / CIP 108128 / LMG 27833 / NCIMB 13906 / BL2) | hisS Msil_0805 | Detail |
| P49590 | SYHM_HUMAN | Homo sapiens (Human) | HARS2 HARSL HARSR HO3 | Detail |
| A9A947 | SYH_METM6 | Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | hisS MmarC6_1055 | Detail |
| Q1GJD0 | SYH_RUEST | Ruegeria sp. (strain TM1040) (Silicibacter sp.) | hisS TM1040_0503 | Detail |
| Q86AS6 | SYHC_DICDI | Dictyostelium discoideum (Slime mold) | hisS DDB_G0274159 | Detail |
| Q47RX0 | SYH_THEFY | Thermobifida fusca (strain YX) | hisS Tfu_0759 | Detail |
| Q6F199 | SYH_MESFL | Mesoplasma florum (strain ATCC 33453 / NBRC 100688 / NCTC 11704 / L1) (Acholeplasma florum) | hisS Mfl366 | Detail |
| B8FKS7 | SYH_DESAL | Desulfatibacillum aliphaticivorans | hisS Dalk_2757 | Detail |