4NQC
Crystal structure of TCR-MR1 ternary complex and covalently bound 5-(2-oxopropylideneamino)-6-D-ribitylaminouracil
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C | Major histocompatibility complex class I-related gene protein | polymer | 271 | 31711.7 | 2 | UniProt (Q95460) Pfam (PF00129) Pfam (PF07654) In PDB | Homo sapiens (human) | MHC class I-related gene protein, Class I histocompatibility antigen-like protein |
| 2 | B, F | Beta-2-microglobulin | polymer | 99 | 11748.2 | 2 | UniProt (P61769) Pfam (PF07654) In PDB | Homo sapiens (human) | Beta-2-microglobulin form pI 5.3 |
| 3 | D, G | TCR alpha chain | polymer | 203 | 22650.1 | 2 | Pfam (PF07686) Pfam (PF09291) UniProt (by SIFTS) (Q6P4G7) In PDB | Homo sapiens | |
| 4 | E, H | TCR beta chain | polymer | 245 | 27546.6 | 2 | Pfam (PF07654) UniProt (by SIFTS) (P01850) In PDB | Homo sapiens | |
| 5 | A, C | 1-deoxy-1-({2,6-dioxo-5-[(E)-(2-oxopropylidene)amino]-1,2,3,6-tetrahydropyrimidin-4-yl}amino)-D-ribitol | non-polymer | 330.3 | 2 | Chemie (2LJ) | |||
| 6 | H | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 7 | water | water | 18.0 | 1040 | Chemie (HOH) |
Sequence modifications
A, C: 1 - 270 (UniProt: Q95460)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | EXPRESSION TAG |
| Ser 261 | Cys 283 | ENGINEERED MUTATION |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 187312.9 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 683.6 | |
| All* | Total formula weight | 187996.5 |
