MolNFT v1 · #180951 · protein
Cryo-EM structure of human cgmp-bound open CNGA1 channel in K+/CA2+
7LFW · Cgmp-gated cation channel alpha-1: “Cryo-EM structure of human cgmp-bound open CNGA1 channel in K+/CA2+”. Electron microscopy, 2 ligands (PCG, CA), 20 pockets (best druggability 0.85). MolNFT v1 #180951 on GenesisL1: 3D structure…
- PDB
- 7LFW
- Type
- protein
- Length
- 1,800 residues
- Chains
- 4
- Method
- electron microscopy
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Cgmp-gated cation channel alpha-1
- UniProt
- P29973
- Ligands
- PCG, CA
- Pockets
- 20 · best druggability 0.85
Structure
electron microscopy · 1 distinct chain · 59% helix, 10% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, C, D | Cgmp-gated cation channel alpha-1 | protein | 450 | 59% helix, 10% strand | P29973 |
Ligands and binding sites
- PCG · Cyclic guanosine monophosphate · ligand · 4 copies · chains A, B, C, D
- CA · Calcium ion · metal · 2 copies · chains A, B, C, D
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 | 914 | 0.85 | 0.87 | 84 | CA |
| 2 | 838 | 0.74 | 0.78 | 64 | empty |
| 3 | 863 | 0.74 | 0.78 | 73 | empty |
| 4 | 894 | 0.73 | 0.77 | 74 | empty |
| 5 | 856 | 0.73 | 0.78 | 72 | empty |
Interfaces
6 interfaces between chains.
- A–B · 2818 Ų buried · 35 hydrogen bonds · protein-protein
- B–C · 2807 Ų buried · 35 hydrogen bonds · protein-protein
- A–D · 2804 Ų buried · 35 hydrogen bonds · protein-protein
- C–D · 2804 Ų buried · 35 hydrogen bonds · protein-protein
- A–C · 34 Ų buried · 0 hydrogen bonds · protein-protein
Compared structures
- 7LFW · Cryo-EM structure of human cGMP-bound open CNGA1 channel in K+/Ca2+ · the same entry in another collection · chain D against D, TM-score 1.00
- P29973 · AlphaFold monomer V2.0 prediction for cgmp-gated cation channel alpha-1 (P29973) · a predicted model of the same protein · chain C against A, TM-score 0.94
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 P29973
- Elsewhere: RCSB PDB 7LFW · PDBe 7LFW · UniProt P29973
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