MolNFT v1 · #150603 · protein
Structure of human HCN4 hyperpolarization-activated cyclic nucleotide- gated ion channel
6GYN · POTASSIUM/SODIUM hyperpolarization-activated cyclic…: “Structure of human HCN4 hyperpolarization-activated cyclic nucleotide- gated ion channel”. Electron microscopy, 2 ligands (PC1, 3PE), 20 pockets (best druggability 0.79). MolNFT…
- PDB
- 6GYN
- Type
- protein
- Length
- 1,980 residues
- Chains
- 4
- Method
- electron microscopy
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- POTASSIUM/SODIUM hyperpolarization-activated cyclic nucleotide-gated channel 4
- UniProt
- Q9Y3Q4
- Ligands
- PC1, 3PE
- Pockets
- 20 · best druggability 0.79
Structure
electron microscopy · 1 distinct chain · 63% helix, 9% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, C, D | POTASSIUM/SODIUM hyperpolarization-activated cyclic nucleotide-gated channel 4 | protein | 495 | 63% helix, 9% strand | Q9Y3Q4 |
Ligands and binding sites
- PC1 · 1,2-diacyl-sn-glycero-3-phosphocholine · ligand · 28 copies · chains A, B, C, D
- 3PE · 1,2-diacyl-sn-glycero-3-phosphoethanolamine · ligand · 8 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, 18 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1066 | 0.79 | 0.81 | 101 | empty |
| 2 | 899 | 0.77 | 0.80 | 89 | 3PE |
| 3 | 854 | 0.76 | 0.80 | 93 | 3PE |
| 4 | 1138 | 0.75 | 0.78 | 109 | 3PE |
| 5 | 945 | 0.75 | 0.78 | 76 | empty |
Interfaces
6 interfaces between chains.
- A–D · 3025 Ų buried · 16 hydrogen bonds · protein-protein
- A–B · 3023 Ų buried · 16 hydrogen bonds · protein-protein
- B–C · 3020 Ų buried · 16 hydrogen bonds · protein-protein
- C–D · 3020 Ų buried · 16 hydrogen bonds · protein-protein
- B–D · 352 Ų buried · 2 hydrogen bonds · protein-protein
Compared structures
- 6GYN · Structure of human HCN4 hyperpolarization-activated cyclic nucleotide-gated ion channel · the same entry in another collection · chain A against A, TM-score 1.00
- Q9Y3Q4 · AlphaFold monomer V2.0 prediction for POTASSIUM/SODIUM hyperpolarization-activated cyclic… · a predicted model of the same protein · chain A against A, TM-score 0.96
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 Q9Y3Q4
- Elsewhere: RCSB PDB 6GYN · PDBe 6GYN · UniProt Q9Y3Q4
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