2.400 Å
X-ray
2010-09-11
| Name: | Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 |
|---|---|
| ID: | HCN4_HUMAN |
| AC: | Q9Y3Q4 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 78.822 |
|---|---|
| Number of residues: | 27 |
| Including | |
| Standard Amino Acids: | 27 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.183 | 421.875 |
| % Hydrophobic | % Polar |
|---|---|
| 52.00 | 48.00 |
| According to VolSite | |

| HET Code: | CMP |
|---|---|
| Formula: | C10H11N5O6P |
| Molecular weight: | 328.198 g/mol |
| DrugBank ID: | DB02527 |
| Buried Surface Area: | 74.53 % |
| Polar Surface area: | 167.48 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 10 |
| H-Bond Donors: | 2 |
| Rings: | 4 |
| Aromatic rings: | 2 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 1 |
| X | Y | Z |
|---|---|---|
| -22.2776 | -21.0649 | 14.1132 |
Image generated by PoseView
Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand
| Ligand | Protein | Interaction | |||
|---|---|---|---|---|---|
| Atom | Atom | Residue | Distance (Å) | Angle (°) | Type |
| C5' | CG2 | ILE- 623 | 4.22 | 0 | Hydrophobic |
| C1' | CG1 | VAL- 642 | 4.23 | 0 | Hydrophobic |
| C1' | CB | PHE- 658 | 4.03 | 0 | Hydrophobic |
| O2' | N | GLY- 659 | 2.79 | 170.7 | H-Bond (Protein Donor) |
| O2' | OE2 | GLU- 660 | 2.68 | 169.26 | H-Bond (Ligand Donor) |
| O3' | N | ILE- 661 | 3.47 | 137.25 | H-Bond (Protein Donor) |
| C3' | CD1 | ILE- 661 | 3.5 | 0 | Hydrophobic |
| O2P | N | CYS- 662 | 2.84 | 161.21 | H-Bond (Protein Donor) |
| O2P | NH1 | ARG- 669 | 2.77 | 145.92 | H-Bond (Protein Donor) |
| C5' | CD | ARG- 669 | 4.26 | 0 | Hydrophobic |
| O1P | OG1 | THR- 670 | 3.16 | 154.52 | H-Bond (Protein Donor) |
| O1P | N | THR- 670 | 3.08 | 171.46 | H-Bond (Protein Donor) |
| C2' | CD | ARG- 710 | 4.39 | 0 | Hydrophobic |