1.800 Å
X-ray
2009-09-06
| Name: | Pteridine reductase, putative |
|---|---|
| ID: | Q581W1_TRYB2 |
| AC: | Q581W1 |
| Organism: | Trypanosoma brucei brucei |
| Reign: | Eukaryota |
| TaxID: | 185431 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 26.754 |
|---|---|
| Number of residues: | 22 |
| Including | |
| Standard Amino Acids: | 21 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NAP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.795 | 884.250 |
| % Hydrophobic | % Polar |
|---|---|
| 45.04 | 54.96 |
| According to VolSite | |

| HET Code: | DX2 |
|---|---|
| Formula: | C12H11N7 |
| Molecular weight: | 253.263 g/mol |
| DrugBank ID: | DB00384 |
| Buried Surface Area: | 74.55 % |
| Polar Surface area: | 129.62 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 1 |
| X | Y | Z |
|---|---|---|
| -17.5657 | 17.1515 | 3.75747 |
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 |
| N2 | OG | SER- 95 | 2.72 | 155.51 | H-Bond (Ligand Donor) |
| DuAr | DuAr | PHE- 97 | 3.79 | 0 | Aromatic Face/Face |
| DuAr | DuAr | PHE- 97 | 3.86 | 0 | Aromatic Face/Face |
| N4 | OH | TYR- 174 | 2.75 | 162.16 | H-Bond (Ligand Donor) |
| CAF | CG2 | VAL- 206 | 4.23 | 0 | Hydrophobic |
| CAG | CD2 | LEU- 209 | 3.51 | 0 | Hydrophobic |
| CAE | CG | LEU- 209 | 4.01 | 0 | Hydrophobic |
| CAD | CD2 | LEU- 209 | 3.24 | 0 | Hydrophobic |
| CAG | CG | PRO- 210 | 3.96 | 0 | Hydrophobic |
| CAE | CE | MET- 213 | 4.26 | 0 | Hydrophobic |
| N1 | O2A | NAP- 269 | 2.75 | 157.45 | H-Bond (Ligand Donor) |
| N2 | O2A | NAP- 269 | 3.16 | 134.85 | H-Bond (Ligand Donor) |
| N3 | O2D | NAP- 269 | 2.71 | 156.98 | H-Bond (Protein Donor) |