1.800 Å
X-ray
2002-09-26
| 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: | 13.812 |
|---|---|
| Number of residues: | 33 |
| Including | |
| Standard Amino Acids: | 31 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.311 | 641.250 |
| % Hydrophobic | % Polar |
|---|---|
| 55.26 | 44.74 |
| According to VolSite | |

| HET Code: | DTM |
|---|---|
| Formula: | C18H22N6O3 |
| Molecular weight: | 370.406 g/mol |
| DrugBank ID: | DB02919 |
| Buried Surface Area: | 64.8 % |
| Polar Surface area: | 121.64 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 9 |
| H-Bond Donors: | 2 |
| Rings: | 3 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| -2.78407 | 28.044 | 3.29722 |
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 | 2.7 | 162.72 | H-Bond (Ligand Donor) |
| C6' | CD2 | LEU- 22 | 3.91 | 0 | Hydrophobic |
| C51 | CD2 | LEU- 22 | 3.83 | 0 | Hydrophobic |
| C9' | CD1 | LEU- 22 | 3.62 | 0 | Hydrophobic |
| N1' | OE2 | GLU- 30 | 2.86 | 163.76 | H-Bond (Ligand Donor) |
| N2' | OE1 | GLU- 30 | 2.78 | 167.64 | H-Bond (Ligand Donor) |
| C41 | CD2 | PHE- 31 | 4.16 | 0 | Hydrophobic |
| C51 | CZ | PHE- 31 | 4.17 | 0 | Hydrophobic |
| C31 | CE2 | PHE- 34 | 3.82 | 0 | Hydrophobic |
| CN' | CG2 | THR- 56 | 3.72 | 0 | Hydrophobic |
| C3' | CG2 | ILE- 60 | 4.08 | 0 | Hydrophobic |
| C31 | CG2 | ILE- 60 | 4.17 | 0 | Hydrophobic |
| CN' | CG1 | ILE- 60 | 3.72 | 0 | Hydrophobic |
| C2' | CG1 | ILE- 60 | 3.98 | 0 | Hydrophobic |
| C51 | CG | PRO- 61 | 4.17 | 0 | Hydrophobic |
| C5' | CG | PRO- 61 | 4.16 | 0 | Hydrophobic |
| C31 | CD2 | LEU- 67 | 3.75 | 0 | Hydrophobic |
| N4' | O | VAL- 115 | 3.11 | 141.88 | H-Bond (Ligand Donor) |
| N8' | O | HOH- 190 | 3.18 | 179.95 | H-Bond (Protein Donor) |
| N2' | O | HOH- 198 | 3.3 | 139.86 | H-Bond (Ligand Donor) |