Research workbench
High resolution structure of the lactose repressor bound to iptg
Analyse High resolution structure of the lactose repressor bound to iptg in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 2P9H
- Type
- protein
- Length
- 538 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Lactose operon repressor
- UniProt
- P03023
- Ligands
- IPT
- Pockets
- 4 · best druggability 0.74
Structure
x-ray diffraction · 1 distinct chain · 43% helix, 21% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B | Lactose operon repressor | protein | 269 | 43% helix, 21% strand | P03023 |
Ligands and binding sites
- IPT · 1-methylethyl 1-thio-beta-D-galactopyranoside · ligand · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
4 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 366 | 0.74 | 0.85 | 56 | IPT |
| 2 | 370 | 0.71 | 0.83 | 62 | IPT |
| 3 | 56 | 0.39 | 0.81 | 13 | empty |
| 4 | 58 | 0.36 | 0.79 | 15 | empty |
Interfaces
1 interface between chains.
- A–B · 1598 Ų buried · 15 hydrogen bonds · protein-protein
Compared structures
- 2P9H · High resolution structure of the Lactose Repressor bound to IPTG · the same entry in another collection · chain A against A, TM-score 1.00
- P03023 · AlphaFold monomer V2.0 prediction for lactose operon repressor (P03023) · a predicted model of the same protein · chain A against A, TM-score 0.97
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 P03023
- Elsewhere: RCSB PDB 2P9H · PDBe 2P9H · UniProt P03023
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