MolNFT v1 · #84438 · protein
X-ray structure of a pentameric ligand gated ion channel from erwinia chrysanthemi (elic) in complex with bromoform
3ZKR · Cys-loop ligand-gated ion channel: “X-ray structure of a pentameric ligand gated ion channel from erwinia chrysanthemi (elic) in complex with…”. X-ray diffraction, 1 ligand (MBR), 20 pockets (best druggability 0.83). MolNFT v1…
- PDB
- 3ZKR
- Type
- protein
- Length
- 3,070 residues
- Chains
- 10
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Cys-loop ligand-gated ion channel
- UniProt
- P0C7B7
- Ligands
- MBR
- Pockets
- 20 · best druggability 0.83
Structure
x-ray diffraction · 1 distinct chain · 31% helix, 34% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, C, D, E, F, G, H, I, J | Cys-loop ligand-gated ion channel | protein | 307 | 31% helix, 34% strand | P0C7B7 |
Ligands and binding sites
- MBR · Tribromomethane · ion · 22 copies · chains A, B, C, D, E, F, G, H, I, J
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 672 | 0.83 | 0.87 | 51 | MBR |
| 2 | 931 | 0.82 | 0.83 | 102 | empty |
| 3 | 873 | 0.82 | 0.84 | 97 | empty |
| 4 | 727 | 0.82 | 0.85 | 92 | empty |
| 5 | 868 | 0.81 | 0.84 | 94 | empty |
Interfaces
18 interfaces between chains.
- B–C · 2715 Ų buried · 24 hydrogen bonds · protein-protein
- C–D · 2689 Ų buried · 20 hydrogen bonds · protein-protein
- H–I · 2682 Ų buried · 21 hydrogen bonds · protein-protein
- A–B · 2671 Ų buried · 23 hydrogen bonds · protein-protein
- I–J · 2666 Ų buried · 22 hydrogen bonds · protein-protein
Compared structures
- 3ZKR · X-ray structure of a pentameric ligand gated ion channel from Erwinia chrysanthemi (ELIC)… · the same entry in another collection · chain J against J, TM-score 1.00
- P0C7B7 · AlphaFold monomer V2.0 prediction for cys-loop ligand-gated ion channel (P0C7B7) · a predicted model of the same protein · chain G 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 P0C7B7
- Elsewhere: RCSB PDB 3ZKR · PDBe 3ZKR · UniProt P0C7B7
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