2.000 Å
X-ray
2012-06-27
| 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: | 50.617 |
|---|---|
| Number of residues: | 30 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.745 | 425.250 |
| % Hydrophobic | % Polar |
|---|---|
| 48.41 | 51.59 |
| According to VolSite | |

| HET Code: | 4HK |
|---|---|
| Formula: | C22H20N4O2 |
| Molecular weight: | 372.420 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 51.53 % |
| Polar Surface area: | 83.82 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 5 |
| H-Bond Donors: | 1 |
| Rings: | 5 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 4 |
| X | Y | Z |
|---|---|---|
| 18.1372 | -4.8965 | 9.71318 |
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 |
| C20 | CD2 | LEU- 15 | 3.85 | 0 | Hydrophobic |
| C10 | CB | LEU- 15 | 3.85 | 0 | Hydrophobic |
| C21 | CD2 | LEU- 15 | 3.62 | 0 | Hydrophobic |
| C3 | CG2 | VAL- 23 | 4.1 | 0 | Hydrophobic |
| C4 | CG1 | VAL- 23 | 3.89 | 0 | Hydrophobic |
| C5 | CB | ALA- 36 | 4.13 | 0 | Hydrophobic |
| N1 | NZ | LYS- 38 | 3.11 | 136.86 | H-Bond (Protein Donor) |
| N3 | O | GLU- 85 | 3.12 | 163.54 | H-Bond (Ligand Donor) |
| C20 | CE1 | TYR- 86 | 4.29 | 0 | Hydrophobic |
| N4 | N | CYS- 87 | 2.84 | 173.56 | H-Bond (Protein Donor) |
| C10 | CD2 | LEU- 137 | 4.27 | 0 | Hydrophobic |
| C5 | CD1 | LEU- 137 | 3.38 | 0 | Hydrophobic |
| N1 | O | HOH- 431 | 3.3 | 137.75 | H-Bond (Protein Donor) |