1LB9
Crystal structure of the Non-desensitizing GluR2 ligand binding core mutant (S1S2J-L483Y) in complex with antagonist DNQX at 2.3 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Glutamate receptor 2 | polymer | 263 | 29271.7 | 2 | UniProt (P19491) Pfam (PF10613) Pfam (PF00060) | Rattus norvegicus (Norway rat) | GLUR-2, GLUR-B, GLUR-K2, GLUTAMATE RECEPTOR IONOTROPIC AMPA 2 |
| 2 | C, E (A, B) | 6,7-DINITROQUINOXALINE-2,3-DIONE | non-polymer | 250.1 | 2 | Chemie (DNQ) | |||
| 3 | D (B) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 4 | F, G (A, B) | water | water | 18.0 | 183 | Chemie (HOH) |
Sequence modifications
A, B: 3 - 117 (UniProt: P19491)
A, B: 120 - 263 (UniProt: P19491)
| PDB | External Database | Details |
|---|---|---|
| Gly 1 | - | cloning artifact |
| Ala 2 | - | cloning artifact |
| Tyr 94 | Leu 504 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Gly 118 | - | linker |
| Thr 119 | - | linker |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 58543.4 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 596.3 | |
| All* | Total formula weight | 59139.7 |
