Research workbench
Crystal structure of HLA-DR1/TPI(23-37, THR28-->ile mutant) complexed with staphylococcal enterotoxin C3 variant 3B2 (SEC3-3B2)
Analyse Crystal structure of HLA-DR1/TPI(23-37, THR28-->ile mutant) complexed with… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1KLG
- Type
- protein
- Length
- 610 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- HLA class II histocompatibility antigen, dr alpha chain; HLA class II histocompatibility…
- UniProt
- P01903, P04229, P0A0L5
- Pockets
- 8 · best druggability 0.50
Structure
x-ray diffraction · 4 distinct chains · 17% helix, 40% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | HLA class II histocompatibility antigen, dr alpha chain | protein | 177 | 14% helix, 47% strand | P01903 |
| B | HLA class II histocompatibility antigen, dr-1 beta chain | protein | 187 | 19% helix, 44% strand | P04229 |
| C | Triosephosphate isomerase peptide | protein | 15 | 0% helix, 13% strand | — |
| D | Enterotoxin type C-3 | protein | 231 | 20% helix, 33% strand | P0A0L5 |
Pockets
8 pockets found on a 1 Å grid, 0 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 250 | 0.50 | 0.74 | 23 | empty |
| 2 | 130 | 0.41 | 0.75 | 17 | empty |
| 3 | 102 | 0.39 | 0.76 | 16 | empty |
| 4 | 56 | 0.34 | 0.78 | 16 | empty |
| 5 | 71 | 0.30 | 0.74 | 20 | empty |
Interfaces
4 interfaces between chains.
- A–B · 2481 Ų buried · 43 hydrogen bonds · protein-protein
- A–C · 723 Ų buried · 10 hydrogen bonds · protein-protein
- A–D · 708 Ų buried · 10 hydrogen bonds · protein-protein
- B–C · 596 Ų buried · 6 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide (disulfide).
Compared structures
- 1KLG · Crystal structure of HLA-DR1/TPI(23-37, Thr28-->Ile mutant) complexed with staphylococcal… · the same entry in another collection · chain A against A, TM-score 1.00
- P0A0L5 · AlphaFold monomer V2.0 prediction for enterotoxin type C-3 (P0A0L5) · a predicted model of the same protein · chain D against A, TM-score 0.99
- P01903 · AlphaFold monomer V2.0 prediction for HLA class II histocompatibility antigen, dr alpha… · a predicted model of the same protein · chain A against A, TM-score 0.96
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 P01903
- Every structure of UniProt P04229
- Every structure of UniProt P0A0L5
- Elsewhere: RCSB PDB 1KLG · PDBe 1KLG · UniProt P01903 · UniProt P04229 · UniProt P0A0L5
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