| Q603K1 | HIS5_METCA | Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath) | hisH MCA2804 | Detail |
| Q9X7C0 | HIS5_MYCLE | Mycobacterium leprae (strain TN) | hisH ML1260 MLCB1610.23 | Detail |
| C1DJD3 | HIS6_AZOVD | Azotobacter vinelandii (strain DJ / ATCC BAA-1303) | hisF Avin_04630 | Detail |
| Q5P795 | HIS6_AROAE | Aromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1)) | hisF AZOSEA06930 ebA1291 | Detail |
| Q5X5X2 | HIS52_LEGPA | Legionella pneumophila (strain Paris) | hisH2 lpp1198 | Detail |
| Q9SZ30 | HIS4_ARATH | Arabidopsis thaliana (Mouse-ear cress) | HISN4 At4g26900 F10M23.240 | Detail |
| A7Z962 | HIS6_BACVZ | Bacillus velezensis (strain DSM 23117 / BGSC 10A6 / FZB42) (Bacillus amyloliquefaciens subsp. plantarum) | hisF RBAM_032080 | Detail |
| Q2SUA8 | HIS6_BURTA | Burkholderia thailandensis (strain ATCC 700388 / DSM 13276 / CIP 106301 / E264) | hisF BTH_I2987 | Detail |
| Q8DIP5 | HIS5_THEEB | Thermosynechococcus elongatus (strain BP-1) | hisH tlr1536 | Detail |
| Q162Q1 | HIS6_ROSDO | Roseobacter denitrificans (strain ATCC 33942 / OCh 114) (Erythrobacter sp. (strain OCh 114)) (Roseobacter denitrificans) | hisF RD1_3561 | Detail |