MolNFT v1 · #181695 · protein
Structural snapshots of intermediates in the gating of a K+ channel
7M2J · Monoclonal antibody (IgG) against kcsa, Fab heavy chain: “Structural snapshots of intermediates in the gating of a K+ channel”. X-ray diffraction, 1 ligand (K), 5 pockets (best druggability 0.67). MolNFT v1 #181695 on GenesisL1: 3D…
- PDB
- 7M2J
- Type
- protein
- Length
- 527 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Monoclonal antibody (IgG) against kcsa, Fab heavy chain; Monoclonal antibody (IgG)…
- UniProt
- P0A334
- Ligands
- K
- Pockets
- 5 · best druggability 0.67
Structure
x-ray diffraction · 3 distinct chains · 17% helix, 41% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Monoclonal antibody (IgG) against kcsa, Fab heavy chain | protein | 219 | 3% helix, 48% strand | — |
| B | Monoclonal antibody (IgG) against kcsa, Fab light chain | protein | 212 | 5% helix, 52% strand | — |
| C | PH-gated potassium channel kcsa | protein | 96 | 76% helix, 0% strand | P0A334 |
Ligands and binding sites
- K · Potassium ion · metal · 3 copies · chains C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
5 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 684 | 0.67 | 0.76 | 60 | empty |
| 2 | 59 | 0.54 | 0.87 | 15 | empty |
| 3 | 64 | 0.51 | 0.86 | 18 | empty |
| 4 | 128 | 0.44 | 0.77 | 25 | empty |
| 5 | 96 | 0.36 | 0.74 | 17 | empty |
Interfaces
3 interfaces between chains.
- A–B · 1852 Ų buried · 22 hydrogen bonds · protein-protein
- A–C · 465 Ų buried · 11 hydrogen bonds · protein-protein
- B–C · 452 Ų buried · 10 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 disulfide (disulfide).
Compared structures
- 7M2J · Structural Snapshots of Intermediates in the Gating of a K+ Channel · 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 7M2J · PDBe 7M2J · UniProt P0A334
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