2.000 Å
X-ray
2004-01-05
| Name: | DNA topoisomerase 4 subunit B |
|---|---|
| ID: | PARE_ECOLI |
| AC: | P20083 |
| Organism: | Escherichia coli |
| Reign: | Bacteria |
| TaxID: | 83333 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 41.926 |
|---|---|
| Number of residues: | 27 |
| Including | |
| Standard Amino Acids: | 26 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.826 | 442.125 |
| % Hydrophobic | % Polar |
|---|---|
| 55.73 | 44.27 |
| According to VolSite | |

| HET Code: | NOV |
|---|---|
| Formula: | C31H35N2O11 |
| Molecular weight: | 611.616 g/mol |
| DrugBank ID: | DB01051 |
| Buried Surface Area: | 43.47 % |
| Polar Surface area: | 198.92 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 11 |
| H-Bond Donors: | 4 |
| Rings: | 4 |
| Aromatic rings: | 2 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 9 |
| X | Y | Z |
|---|---|---|
| 55.5635 | 65.1574 | 57.3902 |
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 |
| C1 | CB | ASN- 2042 | 3.96 | 0 | Hydrophobic |
| C27 | CB | ASN- 2042 | 4.33 | 0 | Hydrophobic |
| O6 | O | ASN- 2042 | 2.56 | 144.62 | H-Bond (Ligand Donor) |
| C29 | CG | GLU- 2046 | 3.93 | 0 | Hydrophobic |
| N1 | OD2 | ASP- 2069 | 2.65 | 143.52 | H-Bond (Ligand Donor) |
| DuAr | CZ | ARG- 2072 | 3.54 | 162.51 | Pi/Cation |
| C2 | CB | ARG- 2072 | 3.88 | 0 | Hydrophobic |
| C1 | CE | MET- 2074 | 3.86 | 0 | Hydrophobic |
| C28 | CG | MET- 2074 | 4.47 | 0 | Hydrophobic |
| C24 | CG | PRO- 2075 | 3.93 | 0 | Hydrophobic |
| C17 | CB | PRO- 2075 | 3.46 | 0 | Hydrophobic |
| C16 | CG | PRO- 2075 | 3.79 | 0 | Hydrophobic |
| O3 | OD2 | ASP- 2077 | 3.49 | 132.88 | H-Bond (Ligand Donor) |
| O3 | OD1 | ASP- 2077 | 2.74 | 172.34 | H-Bond (Ligand Donor) |
| C1 | CG2 | ILE- 2090 | 3.91 | 0 | Hydrophobic |
| C23 | CD1 | ILE- 2090 | 3.9 | 0 | Hydrophobic |
| C24 | CD1 | ILE- 2090 | 3.29 | 0 | Hydrophobic |
| O11 | NH1 | ARG- 2132 | 3.35 | 137.05 | H-Bond (Protein Donor) |
| O11 | NH2 | ARG- 2132 | 3.04 | 151.19 | H-Bond (Protein Donor) |