2.210 Å
X-ray
2006-07-31
| Name: | dITP/XTP pyrophosphatase |
|---|---|
| ID: | NTPA_PYRHO |
| AC: | O59580 |
| Organism: | Pyrococcus horikoshii |
| Reign: | Archaea |
| TaxID: | 70601 |
| EC Number: | 3.6.1.19 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 21.685 |
|---|---|
| Number of residues: | 44 |
| Including | |
| Standard Amino Acids: | 40 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 3 |
| Cofactors: | |
| Metals: | NA |
| Ligandability | Volume (Å3) |
|---|---|
| 0.114 | 513.000 |
| % Hydrophobic | % Polar |
|---|---|
| 39.47 | 60.53 |
| According to VolSite | |

| HET Code: | ITT |
|---|---|
| Formula: | C10H11N4O14P3 |
| Molecular weight: | 504.134 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 71.63 % |
| Polar Surface area: | 314.09 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 17 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 4 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 8 |
| X | Y | Z |
|---|---|---|
| 50.7433 | 64.9841 | 35.9985 |
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 |
| O1G | OG1 | THR- 7 | 2.66 | 157.96 | H-Bond (Protein Donor) |
| O3G | N | SER- 8 | 2.79 | 161.41 | H-Bond (Protein Donor) |
| O3G | OG | SER- 8 | 3.27 | 163.2 | H-Bond (Protein Donor) |
| O1B | ND2 | ASN- 9 | 2.73 | 162.19 | H-Bond (Protein Donor) |
| O1G | NZ | LYS- 12 | 2.81 | 169.68 | H-Bond (Protein Donor) |
| O2A | NZ | LYS- 12 | 2.62 | 169.4 | H-Bond (Protein Donor) |
| O1G | NZ | LYS- 12 | 2.81 | 0 | Ionic (Protein Cationic) |
| O2A | NZ | LYS- 12 | 2.62 | 0 | Ionic (Protein Cationic) |
| O2G | OE2 | GLU- 36 | 2.71 | 162.24 | H-Bond (Protein Donor) |
| O2A | N | SER- 66 | 3.4 | 148.62 | H-Bond (Protein Donor) |
| C1' | CB | SER- 81 | 4.16 | 0 | Hydrophobic |
| C4' | CB | SER- 81 | 3.54 | 0 | Hydrophobic |
| C4' | CB | SER- 82 | 4.01 | 0 | Hydrophobic |
| C2' | CE1 | PHE- 140 | 4.01 | 0 | Hydrophobic |
| C1' | CD2 | TYR- 142 | 4.22 | 0 | Hydrophobic |
| N3 | N | TYR- 142 | 3.29 | 151.18 | H-Bond (Protein Donor) |
| O6 | NZ | LYS- 163 | 2.68 | 147.18 | H-Bond (Protein Donor) |
| N7 | NE2 | HIS- 168 | 3.18 | 162.03 | H-Bond (Protein Donor) |
| N7 | NH2 | ARG- 169 | 2.76 | 168.92 | H-Bond (Protein Donor) |
| O6 | NH1 | ARG- 169 | 3.09 | 150.44 | H-Bond (Protein Donor) |
| O1A | O | HOH- 307 | 3.26 | 179.97 | H-Bond (Protein Donor) |
| O1G | O | HOH- 325 | 2.88 | 165.8 | H-Bond (Protein Donor) |