| KAT-II | Kynurenine aminotransferase II (KAT-II) |
| KYNA | Kynurenic acid |
| NMDA | N-methyl-d-aspartate |
| AMPA | α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid |
| α7-nAChRs | α7-nicotinic acetylcholine receptors |
| CNS | Central nervous system |
| L-KYN | l-kynurenine |
| PLP | Pyridoxal-5′-phosphate |
| 6xHis | Hexa-histidine |
| Ni-NTA | Nickel-nitrilotriacetic acid |
| IPTG | Isopropyl β-d-1-thiogalactopyranoside |
| DPI | Diffraction precision index |