1.600 Å
X-ray
2011-07-26
| Name: | Histidine kinase 4 |
|---|---|
| ID: | AHK4_ARATH |
| AC: | Q9C5U0 |
| Organism: | Arabidopsis thaliana |
| Reign: | Eukaryota |
| TaxID: | 3702 |
| EC Number: | 2.7.13.3 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 18.932 |
|---|---|
| Number of residues: | 31 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.276 | 330.750 |
| % Hydrophobic | % Polar |
|---|---|
| 65.31 | 34.69 |
| According to VolSite | |

| HET Code: | H35 |
|---|---|
| Formula: | C10H9N5O |
| Molecular weight: | 215.211 g/mol |
| DrugBank ID: | DB11336 |
| Buried Surface Area: | 72.8 % |
| Polar Surface area: | 79.63 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 4 |
| H-Bond Donors: | 2 |
| Rings: | 3 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 3 |
| X | Y | Z |
|---|---|---|
| 5.3495 | 22.3826 | 25.3868 |
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 |
| N6 | OD1 | ASP- 262 | 3.07 | 169.38 | H-Bond (Ligand Donor) |
| N7 | OD2 | ASP- 262 | 2.61 | 157.11 | H-Bond (Ligand Donor) |
| C5 | CD2 | LEU- 283 | 4.49 | 0 | Hydrophobic |
| N9 | N | LEU- 284 | 2.96 | 172.87 | H-Bond (Protein Donor) |
| CAP | CG1 | VAL- 292 | 3.84 | 0 | Hydrophobic |
| C5 | CG2 | VAL- 292 | 3.75 | 0 | Hydrophobic |