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: | 18.325 |
|---|---|
| Number of residues: | 25 |
| Including | |
| Standard Amino Acids: | 23 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | NAP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.911 | 725.625 |
| % Hydrophobic | % Polar |
|---|---|
| 52.56 | 47.44 |
| According to VolSite | |

| HET Code: | DX1 |
|---|---|
| Formula: | C12H18N6 |
| Molecular weight: | 246.312 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 67.86 % |
| Polar Surface area: | 103.6 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 6 |
| H-Bond Donors: | 2 |
| Rings: | 2 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 2 |
| X | Y | Z |
|---|---|---|
| 8.03406 | 18.6402 | 61.0664 |
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 |
| N11 | OG | SER- 95 | 3.43 | 161.19 | H-Bond (Ligand Donor) |
| C14 | CZ | PHE- 97 | 4.06 | 0 | Hydrophobic |
| DuAr | DuAr | PHE- 97 | 3.95 | 0 | Aromatic Face/Face |
| DuAr | DuAr | PHE- 97 | 3.64 | 0 | Aromatic Face/Face |
| N12 | OH | TYR- 174 | 2.59 | 166.66 | H-Bond (Ligand Donor) |
| C15 | CG2 | VAL- 206 | 4 | 0 | Hydrophobic |
| C17 | CD2 | LEU- 209 | 3.75 | 0 | Hydrophobic |
| C18 | CG | PRO- 210 | 4.17 | 0 | Hydrophobic |
| C18 | CE | MET- 213 | 4.16 | 0 | Hydrophobic |
| C14 | CZ2 | TRP- 221 | 4.03 | 0 | Hydrophobic |
| N11 | O2D | NAP- 269 | 3.34 | 121.04 | H-Bond (Ligand Donor) |
| N11 | O2A | NAP- 269 | 3.08 | 163.28 | H-Bond (Ligand Donor) |
| C15 | C4N | NAP- 269 | 4.44 | 0 | Hydrophobic |