2.000 Å
X-ray
1990-08-09
| 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: | 15.585 |
|---|---|
| Number of residues: | 39 |
| Including | |
| Standard Amino Acids: | 37 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.381 | 769.500 |
| % Hydrophobic | % Polar |
|---|---|
| 59.65 | 40.35 |
| According to VolSite | |

| HET Code: | FOL |
|---|---|
| Formula: | C19H17N7O6 |
| Molecular weight: | 439.382 g/mol |
| DrugBank ID: | DB00158 |
| Buried Surface Area: | 61.12 % |
| Polar Surface area: | 214.64 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 12 |
| H-Bond Donors: | 4 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 2 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 9 |
| X | Y | Z |
|---|---|---|
| 30.2284 | 16.2521 | -1.92059 |
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 |
| NA2 | OE1 | GLU- 30 | 2.7 | 169.68 | H-Bond (Ligand Donor) |
| N3 | OE1 | GLU- 30 | 3.43 | 132.23 | H-Bond (Ligand Donor) |
| N3 | OE2 | GLU- 30 | 2.82 | 174.11 | H-Bond (Ligand Donor) |
| CB | CD1 | PHE- 31 | 3.85 | 0 | Hydrophobic |
| CG | CB | PHE- 31 | 4.26 | 0 | Hydrophobic |
| C16 | CE2 | PHE- 34 | 3.42 | 0 | Hydrophobic |
| CG | CB | GLN- 35 | 4.12 | 0 | Hydrophobic |
| C9 | CG2 | THR- 56 | 4.09 | 0 | Hydrophobic |
| C13 | CG1 | ILE- 60 | 3.5 | 0 | Hydrophobic |
| O | ND2 | ASN- 64 | 2.86 | 132.44 | H-Bond (Protein Donor) |
| O1 | CZ | ARG- 70 | 3.75 | 0 | Ionic (Protein Cationic) |
| O2 | CZ | ARG- 70 | 3.48 | 0 | Ionic (Protein Cationic) |
| O1 | NH2 | ARG- 70 | 2.8 | 156.89 | H-Bond (Protein Donor) |
| O2 | NH2 | ARG- 70 | 3.29 | 132.19 | H-Bond (Protein Donor) |
| O2 | NH1 | ARG- 70 | 2.78 | 156.18 | H-Bond (Protein Donor) |
| NA2 | OG1 | THR- 136 | 3.24 | 120.5 | H-Bond (Ligand Donor) |
| O4 | O | HOH- 647 | 2.96 | 163.44 | H-Bond (Protein Donor) |