1.240 Å
X-ray
2009-03-04
| 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: | 12.835 |
|---|---|
| Number of residues: | 38 |
| Including | |
| Standard Amino Acids: | 35 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 2 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.821 | 587.250 |
| % Hydrophobic | % Polar |
|---|---|
| 58.05 | 41.95 |
| According to VolSite | |

| HET Code: | GHW |
|---|---|
| Formula: | C19H16N4O6S2 |
| Molecular weight: | 460.484 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 67.28 % |
| Polar Surface area: | 230.38 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 9 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 2 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 8 |
| X | Y | Z |
|---|---|---|
| -0.969323 | 14.8225 | -0.793226 |
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 |
| S4 | CG2 | ILE- 7 | 4.38 | 0 | Hydrophobic |
| SAT | CD2 | LEU- 22 | 3.91 | 0 | Hydrophobic |
| N1 | OE2 | GLU- 30 | 2.78 | 174.14 | H-Bond (Ligand Donor) |
| N2 | OE1 | GLU- 30 | 2.83 | 177.13 | H-Bond (Ligand Donor) |
| SAT | CE1 | PHE- 31 | 4.27 | 0 | Hydrophobic |
| CAN | CB | PHE- 31 | 4.36 | 0 | Hydrophobic |
| CAN | CB | GLN- 35 | 4.04 | 0 | Hydrophobic |
| C13 | CG2 | THR- 56 | 3.63 | 0 | Hydrophobic |
| CAL | CG1 | ILE- 60 | 4.27 | 0 | Hydrophobic |
| OAE | ND2 | ASN- 64 | 2.88 | 148.24 | H-Bond (Protein Donor) |
| OAG | CZ | ARG- 70 | 3.62 | 0 | Ionic (Protein Cationic) |
| OAD | CZ | ARG- 70 | 3.82 | 0 | Ionic (Protein Cationic) |
| OAG | NH1 | ARG- 70 | 2.9 | 162 | H-Bond (Protein Donor) |
| OAG | NH2 | ARG- 70 | 3.43 | 134.25 | H-Bond (Protein Donor) |
| OAD | NH2 | ARG- 70 | 2.84 | 163.81 | H-Bond (Protein Donor) |
| C13 | CB | VAL- 115 | 4.11 | 0 | Hydrophobic |
| S4 | CB | VAL- 115 | 3.97 | 0 | Hydrophobic |
| C13 | C5N | NDP- 188 | 3.45 | 0 | Hydrophobic |
| SAT | C3N | NDP- 188 | 4.38 | 0 | Hydrophobic |
| O6 | O | HOH- 357 | 2.79 | 156.56 | H-Bond (Protein Donor) |