1.700 Å
X-ray
2005-10-19
| Name: | Sepiapterin reductase |
|---|---|
| ID: | SPRE_CHLTE |
| AC: | Q8KES3 |
| Organism: | Chlorobium tepidum |
| Reign: | Bacteria |
| TaxID: | 194439 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| D | 100 % |
| B-Factor: | 21.170 |
|---|---|
| Number of residues: | 24 |
| Including | |
| Standard Amino Acids: | 23 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NAP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.893 | 337.500 |
| % Hydrophobic | % Polar |
|---|---|
| 65.00 | 35.00 |
| According to VolSite | |

| HET Code: | BIO |
|---|---|
| Formula: | C9H11N5O3 |
| Molecular weight: | 237.215 g/mol |
| DrugBank ID: | DB03886 |
| Buried Surface Area: | 63.77 % |
| Polar Surface area: | 133.72 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 4 |
| Rings: | 2 |
| Aromatic rings: | 1 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 2 |
| X | Y | Z |
|---|---|---|
| 35.7197 | 36.0541 | 15.8405 |
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 |
| O9 | OG | SER- 145 | 2.93 | 163.06 | H-Bond (Protein Donor) |
| C11 | CG2 | VAL- 146 | 3.33 | 0 | Hydrophobic |
| C11 | CB | ALA- 147 | 3.73 | 0 | Hydrophobic |
| C11 | CE1 | PHE- 152 | 3.8 | 0 | Hydrophobic |
| O9 | OH | TYR- 158 | 2.82 | 121.33 | H-Bond (Ligand Donor) |
| C9 | CE2 | TYR- 158 | 4 | 0 | Hydrophobic |
| N2 | O | MET- 195 | 3.41 | 157.76 | H-Bond (Ligand Donor) |
| C9 | C4N | NAP- 3800 | 3.57 | 0 | Hydrophobic |