1.800 Å
X-ray
2004-01-14
| 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: | 16.469 |
|---|---|
| Number of residues: | 30 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.249 | 776.250 |
| % Hydrophobic | % Polar |
|---|---|
| 56.09 | 43.91 |
| According to VolSite | |

| HET Code: | TQD |
|---|---|
| Formula: | C19H30N5O3 |
| Molecular weight: | 376.473 g/mol |
| DrugBank ID: | DB08642 |
| Buried Surface Area: | 61.31 % |
| Polar Surface area: | 108.97 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 6 |
| H-Bond Donors: | 4 |
| Rings: | 3 |
| Aromatic rings: | 1 |
| Anionic atoms: | 0 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| -2.70681 | 27.8324 | 3.43041 |
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 | 2.92 | 169.83 | H-Bond (Ligand Donor) |
| C3B | CD2 | LEU- 22 | 4.19 | 0 | Hydrophobic |
| C9' | CD1 | LEU- 22 | 3.74 | 0 | Hydrophobic |
| N1' | OE1 | GLU- 30 | 3.46 | 130.08 | H-Bond (Ligand Donor) |
| N1' | OE2 | GLU- 30 | 2.76 | 156.22 | H-Bond (Ligand Donor) |
| N2' | OE1 | GLU- 30 | 2.72 | 161.06 | H-Bond (Ligand Donor) |
| C3B | CZ | PHE- 31 | 4.23 | 0 | Hydrophobic |
| C4B | CE2 | PHE- 31 | 3.7 | 0 | Hydrophobic |
| C7' | CD2 | PHE- 31 | 3.91 | 0 | Hydrophobic |
| C5D | CE1 | PHE- 34 | 3.76 | 0 | Hydrophobic |
| C7' | CD2 | PHE- 34 | 4.47 | 0 | Hydrophobic |
| C8 | CG | PHE- 34 | 4.28 | 0 | Hydrophobic |
| C5B | CE2 | PHE- 34 | 4.06 | 0 | Hydrophobic |
| C9' | CB | SER- 59 | 3.74 | 0 | Hydrophobic |
| C8' | CG1 | ILE- 60 | 4.1 | 0 | Hydrophobic |
| C5' | CG2 | ILE- 60 | 4.13 | 0 | Hydrophobic |
| C9' | CG1 | ILE- 60 | 4.46 | 0 | Hydrophobic |
| C6' | CG1 | ILE- 60 | 4.03 | 0 | Hydrophobic |
| C3B | CG | PRO- 61 | 4.36 | 0 | Hydrophobic |
| C3' | CG | PRO- 61 | 3.91 | 0 | Hydrophobic |
| C5B | CD2 | LEU- 67 | 3.8 | 0 | Hydrophobic |
| N4' | O | VAL- 115 | 2.92 | 126.4 | H-Bond (Ligand Donor) |
| N2' | O | HOH- 190 | 3.37 | 142.55 | H-Bond (Ligand Donor) |