Research workbench
Potassium channel kcsa-Fab complex in sodium chloride
Analyse Potassium channel kcsa-Fab complex in sodium chloride in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 2ITC
- Type
- protein
- Length
- 534 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Antibody Fab fragment heavy chain; Antibody Fab fragment light chain; Voltage-gated…
- UniProt
- P0A334
- Ligands
- NA
- Pockets
- 6 · best druggability 0.67
Structure
x-ray diffraction · 3 distinct chains · 19% helix, 41% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Antibody Fab fragment heavy chain | protein | 219 | 5% helix, 50% strand | — |
| B | Antibody Fab fragment light chain | protein | 212 | 6% helix, 51% strand | — |
| C | Voltage-gated potassium channel | protein | 103 | 75% helix, 0% strand | P0A334 |
Ligands and binding sites
- NA · Sodium ion · metal · 2 copies · chains C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
6 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 722 | 0.67 | 0.75 | 56 | empty |
| 2 | 84 | 0.49 | 0.83 | 17 | empty |
| 3 | 63 | 0.48 | 0.84 | 15 | empty |
| 4 | 98 | 0.48 | 0.81 | 21 | empty |
| 5 | 123 | 0.42 | 0.76 | 21 | empty |
Interfaces
3 interfaces between chains.
- A–B · 1891 Ų buried · 16 hydrogen bonds · protein-protein
- A–C · 504 Ų buried · 9 hydrogen bonds · protein-protein
- B–C · 430 Ų buried · 8 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide (disulfide).
Compared structures
- 2ITC · Potassium Channel KcsA-Fab complex in Sodium Chloride · the same entry in another collection · chain A against A, TM-score 1.00
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 P0A334
- Elsewhere: RCSB PDB 2ITC · PDBe 2ITC · UniProt P0A334
GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.