2.800 Å
X-ray
2005-05-09
| 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: | 58.271 |
|---|---|
| Number of residues: | 31 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.903 | 459.000 |
| % Hydrophobic | % Polar |
|---|---|
| 52.21 | 47.79 |
| According to VolSite | |

| HET Code: | DF1 |
|---|---|
| Formula: | C21H20N4O |
| Molecular weight: | 344.410 g/mol |
| DrugBank ID: | DB07647 |
| Buried Surface Area: | 58.92 % |
| Polar Surface area: | 73.83 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 4 |
| H-Bond Donors: | 3 |
| Rings: | 4 |
| Aromatic rings: | 4 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 5 |
| X | Y | Z |
|---|---|---|
| 3.65681 | -4.6775 | 18.774 |
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 |
| C6 | CD2 | LEU- 15 | 4.49 | 0 | Hydrophobic |
| C15 | CD2 | LEU- 15 | 4.18 | 0 | Hydrophobic |
| C23 | CG | LEU- 15 | 4.24 | 0 | Hydrophobic |
| C16 | CD2 | LEU- 15 | 3.4 | 0 | Hydrophobic |
| C11 | CG2 | VAL- 23 | 4.28 | 0 | Hydrophobic |
| C17 | CB | VAL- 23 | 3.64 | 0 | Hydrophobic |
| C6 | CB | ALA- 36 | 4.31 | 0 | Hydrophobic |
| C14 | CG | LYS- 38 | 4.21 | 0 | Hydrophobic |
| C12 | CD1 | LEU- 84 | 3.95 | 0 | Hydrophobic |
| N1 | N | CYS- 87 | 3.19 | 143.1 | H-Bond (Protein Donor) |
| N9 | O | CYS- 87 | 3.02 | 143.01 | H-Bond (Ligand Donor) |
| C21 | CD2 | LEU- 137 | 4.26 | 0 | Hydrophobic |
| C6 | CD1 | LEU- 137 | 3.61 | 0 | Hydrophobic |
| C11 | CD1 | LEU- 137 | 4.21 | 0 | Hydrophobic |
| C14 | CB | ASP- 148 | 4.34 | 0 | Hydrophobic |