2.100 Å
X-ray
2002-06-06
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | DYR_PNECA |
| AC: | P16184 |
| Organism: | Pneumocystis carinii |
| Reign: | Eukaryota |
| TaxID: | 4754 |
| EC Number: | 1.5.1.3 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 29.199 |
|---|---|
| Number of residues: | 29 |
| Including | |
| Standard Amino Acids: | 28 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NAP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.556 | 533.250 |
| % Hydrophobic | % Polar |
|---|---|
| 81.65 | 18.35 |
| According to VolSite | |

| HET Code: | COQ |
|---|---|
| Formula: | C17H20N6O2 |
| Molecular weight: | 340.380 g/mol |
| DrugBank ID: | DB03987 |
| Buried Surface Area: | 63.19 % |
| Polar Surface area: | 112.41 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 8 |
| H-Bond Donors: | 2 |
| Rings: | 3 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 5 |
| X | Y | Z |
|---|---|---|
| 14.2426 | 5.83256 | 11.2656 |
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 |
| N4' | O | ILE- 10 | 2.74 | 147.97 | H-Bond (Ligand Donor) |
| C6B | CD2 | LEU- 25 | 4.42 | 0 | Hydrophobic |
| C2' | CD2 | LEU- 25 | 4.17 | 0 | Hydrophobic |
| CN' | CG | LEU- 25 | 4.05 | 0 | Hydrophobic |
| N1' | OE1 | GLU- 32 | 2.81 | 150.07 | H-Bond (Ligand Donor) |
| N2' | OE2 | GLU- 32 | 2.91 | 171.99 | H-Bond (Ligand Donor) |
| N2' | OE1 | GLU- 32 | 3.19 | 129.49 | H-Bond (Ligand Donor) |
| C31 | CD1 | ILE- 33 | 4.29 | 0 | Hydrophobic |
| C9' | CG2 | THR- 61 | 4.45 | 0 | Hydrophobic |
| CN' | CG2 | THR- 61 | 4.33 | 0 | Hydrophobic |
| C9' | CG1 | ILE- 65 | 3.62 | 0 | Hydrophobic |
| C31 | CG | PRO- 66 | 4.45 | 0 | Hydrophobic |
| C3' | CG | PRO- 66 | 3.84 | 0 | Hydrophobic |
| C4' | CB | PHE- 69 | 4.41 | 0 | Hydrophobic |
| C51 | CG | PHE- 69 | 3.68 | 0 | Hydrophobic |
| C51 | CD2 | LEU- 72 | 4.39 | 0 | Hydrophobic |
| C5' | CD2 | LEU- 72 | 4.36 | 0 | Hydrophobic |
| N4' | O | ILE- 123 | 3.33 | 149.81 | H-Bond (Ligand Donor) |
| CN' | C5N | NAP- 207 | 4.24 | 0 | Hydrophobic |