| A4WUS9 | HIS2_RHOS5 | Rhodobacter sphaeroides (strain ATCC 17025 / ATH 2.4.3) | hisE Rsph17025_2253 | Detail |
| C4KHR8 | HIS2_SULIK | Sulfolobus islandicus (strain M.16.4 / Kamchatka #3) | hisE M164_1531 | Detail |
| Q12UV8 | HIS2_METBU | Methanococcoides burtonii (strain DSM 6242 / NBRC 107633 / OCM 468 / ACE-M) | hisE Mbur_1885 | Detail |
| Q47TK1 | HIS2_THEFY | Thermobifida fusca (strain YX) | hisE Tfu_0175 | Detail |
| Q1H4R0 | HIS2_METFK | Methylobacillus flagellatus (strain KT / ATCC 51484 / DSM 6875) | hisE Mfla_0256 | Detail |
| Q49786 | HIS2_MYCLE | Mycobacterium leprae (strain TN) | hisE ML1309 B2126_C2_204 MLCB2533.06 | Detail |
| P0A5B2 | HIS2_MYCBO | Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97) | hisE BQ2027_MB2146C | Detail |
| Q1B781 | HIS2_MYCSS | Mycobacterium sp. (strain MCS) | hisE Mmcs_3146 | Detail |
| Q12FC5 | HIS2_POLSJ | Polaromonas sp. (strain JS666 / ATCC BAA-500) | hisE Bpro_0811 | Detail |
| Q8VYR2 | NUDT9_ARATH | Arabidopsis thaliana (Mouse-ear cress) | NUDT9 NUDX9 At3g46200 F12M12.170 | Detail |