MolNFT v1 · #19822 · protein
Crystal structure of the multidrug binding transcriptional repressor qacr bound to two drugs: ethidium and proflavine
1QVU · Transcriptional regulator qacr: “Crystal structure of the multidrug binding transcriptional repressor qacr bound to two drugs: ethidium and…”. X-ray diffraction, 2 ligands (ET, PRL), 6 pockets (best druggability 0.84). MolNFT v1…
- PDB
- 1QVU
- Type
- protein
- Length
- 744 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Transcriptional regulator qacr
- UniProt
- P0A0N4
- Ligands
- ET, PRL
- Pockets
- 6 · best druggability 0.84
Structure
x-ray diffraction · 1 distinct chain · 69% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| B, D, A, E | Transcriptional regulator qacr | protein | 186 | 69% helix, 0% strand | P0A0N4 |
Ligands and binding sites
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
6 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 639 | 0.84 | 0.88 | 50 | ET, PRL |
| 2 | 718 | 0.75 | 0.80 | 66 | empty |
| 3 | 184 | 0.74 | 0.90 | 37 | empty |
| 4 | 278 | 0.71 | 0.85 | 46 | empty |
| 5 | 183 | 0.49 | 0.76 | 26 | empty |
Interfaces
4 interfaces between chains.
- D–E · 1554 Ų buried · 12 hydrogen bonds · protein-protein
- B–A · 1542 Ų buried · 8 hydrogen bonds · protein-protein
- A–E · 429 Ų buried · 6 hydrogen bonds · protein-protein
- D–A · 12 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 1QVU · Crystal structure of the multidrug binding transcriptional repressor QacR bound to two… · the same entry in another collection · chain B against B, TM-score 1.00
- P0A0N4 · AlphaFold monomer V2.0 prediction for hth-type transcriptional regulator qacr (P0A0N4) · a predicted model of the same protein · chain B 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 P0A0N4
- Elsewhere: RCSB PDB 1QVU · PDBe 1QVU · UniProt P0A0N4
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