MolNFT v1 · #22330 · protein
Structural basis for degenerate recognition of HIV peptide variants by cytotoxic lymphocyte, variant SL9, monoclinic crystal
1T21 · HLA class I histocompatibility antigen, a-2 alpha chain: “Structural basis for degenerate recognition of HIV peptide variants by cytotoxic lymphocyte, variant SL9…”. X-ray diffraction, 5 pockets (best druggability 0.68). MolNFT v1…
- PDB
- 1T21
- Type
- protein
- Length
- 383 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; Gag peptide
- UniProt
- P01892, P01884
- Pockets
- 5 · best druggability 0.68
Structure
x-ray diffraction · 3 distinct chains · 19% helix, 42% 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 | 99 | 0% helix, 49% strand | P01884 |
| C | Gag peptide | protein | 9 | 0% helix, 0% strand | — |
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 | 669 | 0.68 | 0.77 | 60 | empty |
| 2 | 61 | 0.40 | 0.80 | 15 | empty |
| 3 | 62 | 0.40 | 0.80 | 17 | empty |
| 4 | 63 | 0.33 | 0.76 | 16 | empty |
| 5 | 63 | 0.32 | 0.76 | 16 | empty |
Interfaces
2 interfaces between chains.
- A–B · 1344 Ų buried · 19 hydrogen bonds · protein-protein
- A–C · 845 Ų buried · 16 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 disulfide (disulfide).
Compared structures
- 1T21 · Structural basis for degenerate recognition of HIV peptide variants by cytotoxic… · the same entry in another collection · chain A against A, TM-score 1.00
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 P01884
- Elsewhere: RCSB PDB 1T21 · PDBe 1T21 · UniProt P01892 · UniProt P01884
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