| A9BHZ7 | MNME_PETMO | Petrotoga mobilis (strain DSM 10674 / SJ95) | mnmE trmE Pmob_1409 | Detail |
| A7GVP7 | MNME_BACCN | Bacillus cytotoxicus (strain DSM 22905 / CIP 110041 / 391-98 / NVH 391-98) | mnmE trmE Bcer98_4024 | Detail |
| A5UM80 | HIS2_METS3 | Methanobrevibacter smithii (strain ATCC 35061 / DSM 861 / OCM 144 / PS) | hisE Msm_1103 | Detail |
| Q92TB4 | HIS2_RHIME | Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti) | hisE R00050 SMc02568 | Detail |
| C1ASQ8 | HIS2_RHOOB | Rhodococcus opacus (strain B4) | hisE ROP_05930 | Detail |
| C3MW61 | HIS2_SULIM | Sulfolobus islandicus (strain M.14.25 / Kamchatka #1) | hisE M1425_1534 | Detail |
| A6UTD9 | HIS2_META3 | Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3) | hisE Maeo_0169 | Detail |
| Q1GQI3 | HIS2_SPHAL | Sphingopyxis alaskensis (strain DSM 13593 / LMG 18877 / RB2256) (Sphingomonas alaskensis) | hisE Sala_2380 | Detail |
| Q603K5 | HIS2_METCA | Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath) | hisE MCA2800 | Detail |
| Q9HZN2 | NTPPB_PSEAE | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) | PA2972 | Detail |