| Q8TVG3 | HIS8_METKA | Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938) | hisC MK1426 | Detail |
| B0RSL5 | HIS8_XANCB | Xanthomonas campestris pv. campestris (strain B100) | hisC xcc-b100_2097 | Detail |
| Q82XE0 | HIS82_NITEU | Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298) | hisC2 NE0336 | Detail |
| Q74ZS2 | GPI13_ASHGO | Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) (Yeast) (Eremothecium gossypii) | GPI13 AGR126C | Detail |
| A5UGY2 | HIS8_HAEIG | Haemophilus influenzae (strain PittGG) | hisC CGSHiGG_05595 | Detail |
| A1JTV9 | HIS8_YERE8 | Yersinia enterocolitica serotype O:8 / biotype 1B (strain NCTC 13174 / 8081) | hisC YE2767 | Detail |
| A5UKY0 | HIS8_METS3 | Methanobrevibacter smithii (strain ATCC 35061 / DSM 861 / OCM 144 / PS) | hisC Msm_0653 | Detail |
| Q2NEQ0 | HIS8_METST | Methanosphaera stadtmanae (strain ATCC 43021 / DSM 3091 / JCM 11832 / MCB-3) | hisC Msp_1326 | Detail |
| Q9A671 | HIS81_CAUVC | Caulobacter vibrioides (strain ATCC 19089 / CB15) (Caulobacter crescentus) | hisC1 CC_2223 | Detail |
| Q46Y48 | HIS81_CUPPJ | Cupriavidus pinatubonensis (strain JMP 134 / LMG 1197) (Cupriavidus necator (strain JMP 134)) | hisC1 Reut_A2574 | Detail |