2.100 Å
X-ray
1997-11-04
| 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: | 20.751 |
|---|---|
| Number of residues: | 35 |
| Including | |
| Standard Amino Acids: | 32 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 2 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.031 | 570.375 |
| % Hydrophobic | % Polar |
|---|---|
| 62.72 | 37.28 |
| According to VolSite | |

| HET Code: | MOT |
|---|---|
| Formula: | C20H20N6O6 |
| Molecular weight: | 440.409 g/mol |
| DrugBank ID: | DB02026 |
| Buried Surface Area: | 63.44 % |
| Polar Surface area: | 203.56 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 10 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 3 |
| Anionic atoms: | 2 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 9 |
| X | Y | Z |
|---|---|---|
| 30.4345 | 16.8445 | -1.67925 |
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 |
| NA4 | O | ILE- 7 | 3.13 | 164.41 | H-Bond (Ligand Donor) |
| CM | CD2 | LEU- 22 | 3.65 | 0 | Hydrophobic |
| N1 | OE2 | GLU- 30 | 3.34 | 133.58 | H-Bond (Ligand Donor) |
| N1 | OE1 | GLU- 30 | 2.73 | 168.23 | H-Bond (Ligand Donor) |
| NA2 | OE2 | GLU- 30 | 2.82 | 168.95 | H-Bond (Ligand Donor) |
| CB | CB | PHE- 31 | 4.35 | 0 | Hydrophobic |
| C11 | CG2 | ILE- 60 | 4.28 | 0 | Hydrophobic |
| C15 | CG1 | ILE- 60 | 3.92 | 0 | Hydrophobic |
| O | ND2 | ASN- 64 | 2.88 | 124.94 | H-Bond (Protein Donor) |
| C12 | CD2 | LEU- 67 | 4.21 | 0 | Hydrophobic |
| O1 | CZ | ARG- 70 | 3.43 | 0 | Ionic (Protein Cationic) |
| O2 | CZ | ARG- 70 | 3.18 | 0 | Ionic (Protein Cationic) |
| O1 | NH1 | ARG- 70 | 2.89 | 149.34 | H-Bond (Protein Donor) |
| O1 | NH2 | ARG- 70 | 3.3 | 129.56 | H-Bond (Protein Donor) |
| NA4 | O | VAL- 115 | 3.4 | 141.25 | H-Bond (Ligand Donor) |
| C9 | C4N | NDP- 187 | 3.66 | 0 | Hydrophobic |
| CM | C2D | NDP- 187 | 4.28 | 0 | Hydrophobic |
| NA2 | O | HOH- 190 | 3.47 | 133.37 | H-Bond (Ligand Donor) |
| O2 | O | HOH- 212 | 3.37 | 151 | H-Bond (Protein Donor) |