2XNA
Crystal structure of the complex between human T cell receptor and staphylococcal enterotoxin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | T CELL RECEPTOR ALPHA CHAIN C REGION | polymer | 204 | 22313.8 | 1 | UniProt (P01848) Pfam (PF09291) | HOMO SAPIENS (HUMAN) | |
| 2 | B (B) | T CELL RECEPTOR BETA-1 CHAIN C REGION | polymer | 244 | 27785.8 | 1 | UniProt (P01850) Pfam (PF07654) | HOMO SAPIENS (HUMAN) | |
| 3 | C (C) | ENTEROTOXIN H | polymer | 217 | 25180.2 | 1 | UniProt (P0A0M0) Pfam (PF01123) Pfam (PF02876) | STAPHYLOCOCCUS AUREUS | SEH, STAPHYLOCOCCAL ENTEROTOXIN H |
| 4 | D, E, F (B) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 5 | G (C) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | H, I, J (A, B, C) | water | water | 18.0 | 249 | Chemie (HOH) |
Sequence modifications
A: 1 - 109 (PDB: 2XNA)
A: 110 - 204 (UniProt: P01848)
B: 1 - 114 (PDB: 2XNA)
B: 115 - 244 (UniProt: P01850)
A: 110 - 204 (UniProt: P01848)
| PDB | External Database | Details |
|---|---|---|
| Cys 158 | Thr 49 | engineered mutation |
B: 115 - 244 (UniProt: P01850)
| PDB | External Database | Details |
|---|---|---|
| Lys 118 | Asn 4 | conflict |
| Asn 119 | Lys 5 | conflict |
| Tyr 151 | Phe 37 | conflict |
| Cys 171 | Ser 57 | engineered mutation |
| Ser 189 | Cys 75 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 75279.8 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 299.3 | |
| All* | Total formula weight | 75579.1 |
