2.510 Å
X-ray
2014-08-05
| Name: | DNA topoisomerase 2-alpha |
|---|---|
| ID: | TOP2A_HUMAN |
| AC: | P11388 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 5.99.1.3 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| C | 5 % |
| D | 95 % |
| B-Factor: | 63.538 |
|---|---|
| Number of residues: | 38 |
| Including | |
| Standard Amino Acids: | 37 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.686 | 600.750 |
| % Hydrophobic | % Polar |
|---|---|
| 45.51 | 54.49 |
| According to VolSite | |

| HET Code: | ADP |
|---|---|
| Formula: | C10H12N5O10P2 |
| Molecular weight: | 424.177 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 73.18 % |
| Polar Surface area: | 260.7 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 14 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 3 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| 7.27556 | 52.4443 | 30.6093 |
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 |
| O1A | ND2 | ASN- 91 | 2.99 | 138.47 | H-Bond (Protein Donor) |
| N6 | OD1 | ASN- 120 | 3.16 | 162.19 | H-Bond (Ligand Donor) |
| C4' | CB | ILE- 141 | 4.16 | 0 | Hydrophobic |
| C1' | CD1 | ILE- 141 | 3.47 | 0 | Hydrophobic |
| O2B | OG | SER- 148 | 2.59 | 163.11 | H-Bond (Protein Donor) |
| C3' | CB | SER- 149 | 4.41 | 0 | Hydrophobic |
| O3' | OG | SER- 149 | 2.9 | 148.1 | H-Bond (Protein Donor) |
| O3' | N | SER- 149 | 2.78 | 128.61 | H-Bond (Protein Donor) |
| O2' | OG | SER- 149 | 3.1 | 143.3 | H-Bond (Protein Donor) |
| O2B | ND2 | ASN- 150 | 2.92 | 140.53 | H-Bond (Protein Donor) |
| O1B | N | ARG- 162 | 2.94 | 132.22 | H-Bond (Protein Donor) |
| O1B | N | ASN- 163 | 3.33 | 120.59 | H-Bond (Protein Donor) |
| O1B | N | GLY- 164 | 3.06 | 160.91 | H-Bond (Protein Donor) |
| O2A | N | ALA- 167 | 2.73 | 155.84 | H-Bond (Protein Donor) |
| O2A | NZ | LYS- 168 | 3.01 | 166.38 | H-Bond (Protein Donor) |
| O2A | NZ | LYS- 168 | 3.01 | 0 | Ionic (Protein Cationic) |
| O3B | MG | MG- 501 | 2.14 | 0 | Metal Acceptor |
| O1A | MG | MG- 501 | 2.15 | 0 | Metal Acceptor |