1.900 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: | 21.898 |
|---|---|
| Number of residues: | 31 |
| Including | |
| Standard Amino Acids: | 31 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.458 | 658.125 |
| % Hydrophobic | % Polar |
|---|---|
| 56.41 | 43.59 |
| According to VolSite | |

| HET Code: | DTM |
|---|---|
| Formula: | C18H22N6O3 |
| Molecular weight: | 370.406 g/mol |
| DrugBank ID: | DB02919 |
| Buried Surface Area: | 60.82 % |
| 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 |
|---|---|---|
| 30.99 | 14.9276 | -1.07215 |
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 | 2.69 | 157.25 | H-Bond (Ligand Donor) |
| C9' | CG | LEU- 22 | 4.35 | 0 | Hydrophobic |
| C6' | CD1 | LEU- 22 | 4.16 | 0 | Hydrophobic |
| C51 | CD1 | LEU- 22 | 4.37 | 0 | Hydrophobic |
| N1' | OE2 | GLU- 30 | 2.94 | 167.23 | H-Bond (Ligand Donor) |
| N2' | OE1 | GLU- 30 | 2.77 | 176.79 | H-Bond (Ligand Donor) |
| C41 | CD2 | PHE- 31 | 3.6 | 0 | Hydrophobic |
| C51 | CE2 | PHE- 31 | 4.23 | 0 | Hydrophobic |
| CN' | CG2 | THR- 56 | 3.84 | 0 | Hydrophobic |
| C2' | CG1 | ILE- 60 | 4.13 | 0 | Hydrophobic |
| C3' | CG2 | ILE- 60 | 4.22 | 0 | Hydrophobic |
| C31 | CB | ILE- 60 | 4.12 | 0 | Hydrophobic |
| CN' | CG1 | ILE- 60 | 3.87 | 0 | Hydrophobic |
| C51 | CG | PRO- 61 | 4.37 | 0 | Hydrophobic |
| C5' | CG | PRO- 61 | 4.04 | 0 | Hydrophobic |
| C31 | CB | ASN- 64 | 3.8 | 0 | Hydrophobic |
| C31 | CD2 | LEU- 67 | 3.29 | 0 | Hydrophobic |
| N4' | O | VAL- 115 | 3.31 | 156.37 | H-Bond (Ligand Donor) |