Research workbench
Crystal structure of MHC class I HLA-A2 molecule complexed with melan- a MART1 decapeptide variant
Analyse Crystal structure of MHC class I HLA-A2 molecule complexed with melan- a MART1… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3MRO
- Type
- protein
- Length
- 385 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- HLA class I histocompatibility antigen, a-2 alpha chain; Beta-2-microglobulin; 10-meric…
- UniProt
- P01892, P61769, Q16655
- Pockets
- 5 · best druggability 0.67
Structure
x-ray diffraction · 3 distinct chains · 19% helix, 41% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | HLA class I histocompatibility antigen, a-2 alpha chain | protein | 275 | 27% helix, 40% strand | P01892 |
| B | Beta-2-microglobulin | protein | 100 | 0% helix, 47% strand | P61769 |
| P | 10-meric peptide from melanoma antigen recognized by T- cells 1 | protein | 10 | 0% helix, 0% strand | Q16655 |
Pockets
5 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 632 | 0.67 | 0.76 | 59 | empty |
| 2 | 62 | 0.42 | 0.82 | 17 | empty |
| 3 | 95 | 0.42 | 0.78 | 19 | empty |
| 4 | 75 | 0.36 | 0.77 | 16 | empty |
| 5 | 57 | 0.31 | 0.76 | 12 | empty |
Interfaces
2 interfaces between chains.
- A–B · 1428 Ų buried · 22 hydrogen bonds · protein-protein
- A–P · 880 Ų buried · 11 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 disulfide (disulfide).
Compared structures
- 3MRO · Crystal Structure of MHC class I HLA-A2 molecule complexed with Melan-A MART1 decapeptide… · the same entry in another collection · chain A against A, TM-score 1.00
- P61769 · AlphaFold monomer V2.0 prediction for beta-2-microglobulin (P61769) · a predicted model of the same protein · chain B against A, TM-score 0.98
- Q16655 · AlphaFold monomer V2.0 prediction for melanoma antigen recognized by T-cells 1 (Q16655) · a predicted model of the same protein · chain P against A, TM-score 0.27
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P01892
- Every structure of UniProt P61769
- Every structure of UniProt Q16655
- Elsewhere: RCSB PDB 3MRO · PDBe 3MRO · UniProt P01892 · UniProt P61769 · UniProt Q16655
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