1.880 Å
X-ray
2014-01-15
| Name: | Pteridine reductase |
|---|---|
| ID: | O76290_TRYBB |
| AC: | O76290 |
| Organism: | Trypanosoma brucei brucei |
| Reign: | Eukaryota |
| TaxID: | 5702 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 16.291 |
|---|---|
| Number of residues: | 48 |
| Including | |
| Standard Amino Acids: | 45 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 3 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.061 | 398.250 |
| % Hydrophobic | % Polar |
|---|---|
| 32.20 | 67.80 |
| According to VolSite | |

| HET Code: | NAP |
|---|---|
| Formula: | C21H25N7O17P3 |
| Molecular weight: | 740.381 g/mol |
| DrugBank ID: | DB03461 |
| Buried Surface Area: | 72.87 % |
| Polar Surface area: | 405.54 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 21 |
| H-Bond Donors: | 5 |
| Rings: | 5 |
| Aromatic rings: | 3 |
| Anionic atoms: | 4 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 13 |
| X | Y | Z |
|---|---|---|
| 21.669 | -9.2545 | -0.190958 |
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 | NE | ARG- 14 | 2.9 | 134.87 | H-Bond (Protein Donor) |
| O2N | NH2 | ARG- 14 | 2.74 | 169.77 | H-Bond (Protein Donor) |
| O1A | CZ | ARG- 14 | 3.97 | 0 | Ionic (Protein Cationic) |
| O2N | CZ | ARG- 14 | 3.57 | 0 | Ionic (Protein Cationic) |
| O1N | N | ILE- 15 | 3.33 | 151.08 | H-Bond (Protein Donor) |
| C5D | CB | ILE- 15 | 3.85 | 0 | Hydrophobic |
| O2X | N | HIS- 35 | 2.9 | 163.23 | H-Bond (Protein Donor) |
| O1X | N | ASN- 36 | 2.82 | 164.84 | H-Bond (Protein Donor) |
| O2X | N | SER- 37 | 2.99 | 156.11 | H-Bond (Protein Donor) |
| O3X | OG | SER- 37 | 2.65 | 156.34 | H-Bond (Protein Donor) |
| N6A | OD1 | ASP- 62 | 3.26 | 152.3 | H-Bond (Ligand Donor) |
| N1A | N | LEU- 63 | 2.91 | 160.91 | H-Bond (Protein Donor) |
| O3D | O | ASN- 93 | 2.69 | 158.35 | H-Bond (Ligand Donor) |
| C1B | CB | ALA- 94 | 3.77 | 0 | Hydrophobic |
| O4B | N | SER- 95 | 3.05 | 161.94 | H-Bond (Protein Donor) |
| O2D | OG | SER- 95 | 3.24 | 157.06 | H-Bond (Ligand Donor) |
| C3D | CB | SER- 95 | 3.63 | 0 | Hydrophobic |
| C4D | CB | LEU- 159 | 3.89 | 0 | Hydrophobic |
| C5N | CB | ASP- 161 | 4.1 | 0 | Hydrophobic |
| O3D | NZ | LYS- 178 | 3.03 | 147.36 | H-Bond (Protein Donor) |
| O2D | NZ | LYS- 178 | 3.03 | 129.95 | H-Bond (Protein Donor) |
| C5N | CB | PRO- 204 | 3.83 | 0 | Hydrophobic |
| O7N | N | SER- 207 | 2.82 | 163.01 | H-Bond (Protein Donor) |
| N7N | O | SER- 207 | 3.09 | 131.33 | H-Bond (Ligand Donor) |
| O1N | O | HOH- 2005 | 2.71 | 179.95 | H-Bond (Protein Donor) |
| O3B | O | HOH- 2006 | 2.59 | 179.93 | H-Bond (Protein Donor) |