1.830 Å
X-ray
2011-03-30
| Name: | Serine/threonine-protein kinase Chk1 |
|---|---|
| ID: | CHK1_HUMAN |
| AC: | O14757 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 2.7.11.1 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 11.388 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 26 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.120 | 347.625 |
| % Hydrophobic | % Polar |
|---|---|
| 57.28 | 42.72 |
| According to VolSite | |

| HET Code: | TQ1 |
|---|---|
| Formula: | C15H12N4O2 |
| Molecular weight: | 280.281 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 63.53 % |
| Polar Surface area: | 80.72 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 3 |
| H-Bond Donors: | 3 |
| Rings: | 4 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 2 |
| X | Y | Z |
|---|---|---|
| 2.139 | 36.5668 | 10.6656 |
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 |
| C19 | CD1 | LEU- 15 | 3.79 | 0 | Hydrophobic |
| C18 | CB | LEU- 15 | 3.83 | 0 | Hydrophobic |
| N14 | O | GLU- 85 | 2.8 | 138.52 | H-Bond (Ligand Donor) |
| N4 | O | CYS- 87 | 3 | 130.45 | H-Bond (Ligand Donor) |
| O16 | N | CYS- 87 | 2.76 | 166.8 | H-Bond (Protein Donor) |
| O21 | OE2 | GLU- 91 | 2.72 | 157.57 | H-Bond (Ligand Donor) |
| C8 | CG | GLU- 91 | 3.68 | 0 | Hydrophobic |
| C9 | CD2 | LEU- 137 | 3.98 | 0 | Hydrophobic |
| C18 | CD1 | LEU- 137 | 3.59 | 0 | Hydrophobic |