MolNFT v1 · #121962 · protein
Crystal structure of HLA-B*27:05 complexed with the self-peptide pvipr measured at 295 K
5IB1 · HLA class I histocompatibility antigen, B-27 alpha chain: “Crystal structure of HLA-B*27:05 complexed with the self-peptide pvipr measured at 295 K”. X-ray diffraction, 4 pockets (best druggability 0.67). MolNFT v1 #121962 on…
- PDB
- 5IB1
- 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, B-27 alpha chain; Beta-2-microglobulin…
- UniProt
- P03989, P61769, P32241
- Pockets
- 4 · best druggability 0.67
Structure
x-ray diffraction · 3 distinct chains · 20% helix, 41% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | HLA class I histocompatibility antigen, B-27 alpha chain | protein | 276 | 28% helix, 39% strand | P03989 |
| B | Beta-2-microglobulin | protein | 100 | 0% helix, 49% strand | P61769 |
| C | Vasoactive intestinal polypeptide receptor 1 | protein | 9 | 0% helix, 0% strand | P32241 |
Pockets
4 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 613 | 0.67 | 0.77 | 58 | empty |
| 2 | 124 | 0.48 | 0.79 | 18 | empty |
| 3 | 81 | 0.38 | 0.77 | 15 | empty |
| 4 | 54 | 0.27 | 0.74 | 14 | empty |
Interfaces
2 interfaces between chains.
- A–B · 1417 Ų buried · 21 hydrogen bonds · protein-protein
- A–C · 1095 Ų buried · 24 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 disulfide (disulfide).
Compared structures
- 5IB1 · Crystal structure of HLA-B*27:05 complexed with the self-peptide pVIPR measured at 295 K · 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 0.99
- P32241 · AlphaFold monomer V2.0 prediction for vasoactive intestinal polypeptide receptor 1… · a predicted model of the same protein · chain C against A, TM-score 0.42
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 P03989
- Every structure of UniProt P61769
- Every structure of UniProt P32241
- Elsewhere: RCSB PDB 5IB1 · PDBe 5IB1 · UniProt P03989 · UniProt P61769 · UniProt P32241
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