2.300 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: | 21.151 |
|---|---|
| Number of residues: | 34 |
| Including | |
| Standard Amino Acids: | 32 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.057 | 374.625 |
| % Hydrophobic | % Polar |
|---|---|
| 57.66 | 42.34 |
| According to VolSite | |

| HET Code: | ZEA |
|---|---|
| Formula: | C10H13N5O |
| Molecular weight: | 219.243 g/mol |
| DrugBank ID: | DB11337 |
| Buried Surface Area: | 71.03 % |
| Polar Surface area: | 86.72 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 5 |
| H-Bond Donors: | 3 |
| Rings: | 2 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 4 |
| X | Y | Z |
|---|---|---|
| 5.44475 | 22.2991 | 25.3484 |
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 |
| O16 | O | HOH- 9 | 2.67 | 157.43 | H-Bond (Ligand Donor) |
| C15 | CB | ALA- 202 | 4.08 | 0 | Hydrophobic |
| C14 | CB | ALA- 204 | 4.5 | 0 | Hydrophobic |
| C15 | CB | ALA- 204 | 4.36 | 0 | Hydrophobic |
| C15 | CG2 | VAL- 241 | 4.14 | 0 | Hydrophobic |
| C14 | CG | MET- 256 | 4.42 | 0 | Hydrophobic |
| C15 | CG | MET- 256 | 3.81 | 0 | Hydrophobic |
| C11 | SD | MET- 256 | 4.42 | 0 | Hydrophobic |
| N10 | OD1 | ASP- 262 | 2.87 | 160.19 | H-Bond (Ligand Donor) |
| N9 | OD1 | ASP- 262 | 3.17 | 150.2 | H-Bond (Ligand Donor) |
| N9 | OD2 | ASP- 262 | 2.63 | 144.19 | H-Bond (Ligand Donor) |
| N7 | N | LEU- 284 | 3.04 | 168.09 | H-Bond (Protein Donor) |
| C11 | CG1 | VAL- 292 | 3.9 | 0 | Hydrophobic |
| C5 | CG2 | VAL- 292 | 3.72 | 0 | Hydrophobic |
| O16 | OG1 | THR- 294 | 2.87 | 158.92 | H-Bond (Protein Donor) |
| C14 | CG2 | THR- 294 | 4.34 | 0 | Hydrophobic |
| C14 | CB | TYR- 318 | 3.97 | 0 | Hydrophobic |