| Q4FQF9 | HIS82_PSYA2 | Psychrobacter arcticus (strain DSM 17307 / 273-4) | hisC2 Psyc_1901 | Detail |
| Q98G10 | HIS82_RHILO | Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) (Mesorhizobium loti (strain MAFF 303099)) | hisC2 mll3536 | Detail |
| A1VK38 | HIS8_POLNA | Polaromonas naphthalenivorans (strain CJ2) | hisC Pnap_0697 | Detail |
| B7JUI4 | HIS8_RIPO1 | Rippkaea orientalis (strain PCC 8801) (Cyanothece sp. (strain PCC 8801)) | hisC PCC8801_1472 | Detail |
| A5VZ57 | HIS8_PSEP1 | Pseudomonas putida (strain ATCC 700007 / DSM 6899 / BCRC 17059 / F1) | hisC Pput_1006 | Detail |
| Q5Z3C0 | PATR_NOCFA | Nocardia farcinica (strain IFM 10152) | pat hisC2 NFA_2290 | Detail |
| Q9R1S3 | PIGN_MOUSE | Mus musculus (Mouse) | Pign | Detail |
| Q5H8A4 | PIGG_HUMAN | Homo sapiens (Human) | PIGG GPI7 UNQ1930/PRO4405 | Detail |
| Q93Z38 | TAR4_ARATH | Arabidopsis thaliana (Mouse-ear cress) | TAR4 At1g34060 F12G12.12 F12G12.150 | Detail |
| P44033 | Y665_HAEIN | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | HI_0665 | Detail |