| Q0K695 | HIS2_CUPNH | Cupriavidus necator (strain ATCC 17699 / H16 / DSM 428 / Stanier 337) (Ralstonia eutropha) | hisE H16_A3408 | Detail |
| A3PI61 | HIS2_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | hisE Rsph17029_0916 | Detail |
| A1AVW2 | HIS2_RUTMC | Ruthia magnifica subsp. Calyptogena magnifica | hisE Rmag_0288 | Detail |
| B9KPC7 | HIS2_RHOSK | Rhodobacter sphaeroides (strain KD131 / KCTC 12085) | hisE RSKD131_0560 | Detail |
| B8GKC9 | HIS2_METPE | Methanosphaerula palustris (strain ATCC BAA-1556 / DSM 19958 / E1-9c) | hisE Mpal_0438 | Detail |
| Q9YDY1 | NCPP_AERPE | Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1) | APE_0788.1 | Detail |
| Q9LQU5 | NUD18_ARATH | Arabidopsis thaliana (Mouse-ear cress) | NUDT18 NUDX18 At1g14860 F10B6.26 | Detail |
| P45799 | NUDE_ECOLI | Escherichia coli (strain K12) | nudE yrfE b3397 JW3360 | Detail |
| B0RMM4 | MNME_XANCB | Xanthomonas campestris pv. campestris (strain B100) | mnmE trmE xcc-b100_4464 | Detail |
| Q47U36 | MNME_COLP3 | Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio psychroerythus) | mnmE trmE CPS_5049 | Detail |