3QEK
Crystal structure of amino terminal domain of the NMDA receptor subunit GluN1
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) | NMDA glutamate receptor subunit | polymer | 384 | 43441.2 | 2 | UniProt (Q91977) Pfam (PF01094) UniProt (by SIFTS) (A0A1L8F5J9) | Xenopus laevis (African clawed frog) | |
| 2 | C (C) | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 586.5 | 1 | In PDB GlyTouCan (G15407YE) | |||
| 3 | D, G (A, B) | POTASSIUM ION | non-polymer | 39.1 | 2 | Chemie (K) | |||
| 4 | E, F, H, I (A, B) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 4 | Chemie (NAG) | |||
| 5 | J, K (A, B) | water | water | 18.0 | 328 | Chemie (HOH) |
Sequence modifications
A, B: 23 - 405 (UniProt: Q91977)
| PDB | External Database | Details |
|---|---|---|
| Ser 22 | - | expression tag |
| Gln 61 | Asn 61 | engineered mutation |
| Gln 371 | Asn 371 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 86882.4 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 586.5 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 963.0 | |
| All* | Total formula weight | 88431.9 |
