1.090 Å
X-ray
2001-12-17
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | DYR_HUMAN |
| AC: | P00374 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 1.5.1.3 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 14.995 |
|---|---|
| Number of residues: | 27 |
| Including | |
| Standard Amino Acids: | 25 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.056 | 614.250 |
| % Hydrophobic | % Polar |
|---|---|
| 61.54 | 38.46 |
| According to VolSite | |

| HET Code: | LIH |
|---|---|
| Formula: | C18H17N7 |
| Molecular weight: | 331.374 g/mol |
| DrugBank ID: | DB03351 |
| Buried Surface Area: | 64.08 % |
| Polar Surface area: | 115.63 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 3 |
| Rings: | 4 |
| Aromatic rings: | 4 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 3 |
| X | Y | Z |
|---|---|---|
| 11.6402 | 23.6235 | 34.1784 |
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- 7 | 2.89 | 162.1 | H-Bond (Ligand Donor) |
| C4' | CD1 | LEU- 22 | 3.98 | 0 | Hydrophobic |
| N1 | OE2 | GLU- 30 | 2.76 | 169.94 | H-Bond (Ligand Donor) |
| N2 | OE1 | GLU- 30 | 2.78 | 174.23 | H-Bond (Ligand Donor) |
| N2 | OE2 | GLU- 30 | 3.49 | 131.47 | H-Bond (Ligand Donor) |
| C5A | CZ | PHE- 34 | 3.81 | 0 | Hydrophobic |
| C5A | CG2 | THR- 56 | 4.3 | 0 | Hydrophobic |
| C9 | CG1 | ILE- 60 | 4.23 | 0 | Hydrophobic |
| C6' | CG1 | ILE- 60 | 4.03 | 0 | Hydrophobic |
| C7' | CG2 | ILE- 60 | 4.25 | 0 | Hydrophobic |
| C3' | CG | PRO- 61 | 4.14 | 0 | Hydrophobic |
| C5A | CB | VAL- 115 | 4.11 | 0 | Hydrophobic |
| N4 | O | VAL- 115 | 2.96 | 139.04 | H-Bond (Ligand Donor) |
| C5A | C4N | NDP- 202 | 3.71 | 0 | Hydrophobic |
| N8 | O | HOH- 302 | 2.99 | 179.98 | H-Bond (Protein Donor) |