1.680 Å
X-ray
2003-02-24
| Name: | Casein kinase II subunit alpha |
|---|---|
| ID: | CSK2A_MAIZE |
| AC: | P28523 |
| Organism: | Zea mays |
| Reign: | Eukaryota |
| TaxID: | 4577 |
| EC Number: | 2.7.11.1 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 25.994 |
|---|---|
| Number of residues: | 31 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.164 | 1069.875 |
| % Hydrophobic | % Polar |
|---|---|
| 46.69 | 53.31 |
| According to VolSite | |

| HET Code: | IQA |
|---|---|
| Formula: | C17H11N2O3 |
| Molecular weight: | 291.281 g/mol |
| DrugBank ID: | DB01765 |
| Buried Surface Area: | 67.99 % |
| Polar Surface area: | 74.16 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 3 |
| H-Bond Donors: | 1 |
| Rings: | 4 |
| Aromatic rings: | 3 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 2 |
| X | Y | Z |
|---|---|---|
| 22.4552 | 7.51118 | 18.688 |
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 |
| C16 | CB | VAL- 45 | 3.7 | 0 | Hydrophobic |
| C15 | CG2 | VAL- 45 | 4.06 | 0 | Hydrophobic |
| C12 | CG2 | VAL- 45 | 3.8 | 0 | Hydrophobic |
| C18 | CG2 | VAL- 53 | 3.89 | 0 | Hydrophobic |
| C13 | CG1 | VAL- 53 | 4.26 | 0 | Hydrophobic |
| C14 | CD1 | ILE- 66 | 4.09 | 0 | Hydrophobic |
| C3 | CG1 | ILE- 66 | 3.38 | 0 | Hydrophobic |
| C4 | CG2 | ILE- 66 | 3.78 | 0 | Hydrophobic |
| O21 | NZ | LYS- 68 | 3.92 | 0 | Ionic (Protein Cationic) |
| O22 | NZ | LYS- 68 | 2.5 | 0 | Ionic (Protein Cationic) |
| O22 | NZ | LYS- 68 | 2.5 | 147.58 | H-Bond (Protein Donor) |
| C18 | CD | LYS- 68 | 4.35 | 0 | Hydrophobic |
| C2 | CG2 | VAL- 95 | 4.08 | 0 | Hydrophobic |
| C1 | CG2 | VAL- 95 | 3.94 | 0 | Hydrophobic |
| C1 | CB | PHE- 113 | 3.53 | 0 | Hydrophobic |
| C2 | CG2 | VAL- 116 | 3.53 | 0 | Hydrophobic |
| C3 | CB | VAL- 116 | 3.71 | 0 | Hydrophobic |
| C15 | CB | ASN- 118 | 3.7 | 0 | Hydrophobic |
| C7 | CG | MET- 163 | 4.41 | 0 | Hydrophobic |
| C13 | SD | MET- 163 | 3.58 | 0 | Hydrophobic |
| C18 | CD1 | ILE- 174 | 3.74 | 0 | Hydrophobic |
| C4 | CG2 | ILE- 174 | 3.83 | 0 | Hydrophobic |
| O21 | N | ASP- 175 | 2.99 | 144.73 | H-Bond (Protein Donor) |
| C18 | CB | ASP- 175 | 4.48 | 0 | Hydrophobic |
| O21 | O | HOH- 356 | 3.19 | 179.98 | H-Bond (Protein Donor) |