3I4W
Crystal Structure of the third PDZ domain of PSD-95
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Disks large homolog 4 | polymer | 104 | 11129.5 | 4 | UniProt (P78352) Pfam (PF00595) | Homo sapiens (human) | Postsynaptic density protein 95, PSD-95, Synapse-associated protein 90, SAP90 |
| 2 | E, F, G, H, I... (A, B, C, D) | ACETATE ION | non-polymer | 59.0 | 6 | Chemie (ACT) | |||
| 3 | K, L, M, N (A, B, C, D) | water | water | 18.0 | 234 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 302 - 403 (UniProt: P78352)
| PDB | External Database | Details |
|---|---|---|
| Met 300 | - | expression tag |
| Gly 301 | - | expression tag |
| Snn 332 | Asp 332 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 44518.0 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 354.3 | |
| All* | Total formula weight | 44872.2 |






