1.270 Å
X-ray
2008-11-11
| 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 |
|---|---|
| B | 100 % |
| B-Factor: | 21.763 |
|---|---|
| Number of residues: | 45 |
| Including | |
| Standard Amino Acids: | 43 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.451 | 1100.250 |
| % Hydrophobic | % Polar |
|---|---|
| 54.29 | 45.71 |
| According to VolSite | |

| HET Code: | NDP |
|---|---|
| Formula: | C21H26N7O17P3 |
| Molecular weight: | 741.389 g/mol |
| DrugBank ID: | DB02338 |
| Buried Surface Area: | 67.79 % |
| Polar Surface area: | 404.9 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 22 |
| H-Bond Donors: | 5 |
| Rings: | 5 |
| Aromatic rings: | 2 |
| Anionic atoms: | 4 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 13 |
| X | Y | Z |
|---|---|---|
| 22.5597 | 38.2455 | 30.4379 |
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 |
| O7N | N | ALA- 9 | 2.86 | 173 | H-Bond (Protein Donor) |
| N7N | O | ALA- 9 | 2.8 | 137.49 | H-Bond (Ligand Donor) |
| C3N | CB | ILE- 16 | 4.27 | 0 | Hydrophobic |
| N7N | O | ILE- 16 | 3.1 | 156.26 | H-Bond (Ligand Donor) |
| O3D | O | ASP- 21 | 3.01 | 144.49 | H-Bond (Ligand Donor) |
| C3N | CD2 | LEU- 22 | 4.02 | 0 | Hydrophobic |
| C4B | CB | LYS- 54 | 4.12 | 0 | Hydrophobic |
| C1B | CB | LYS- 54 | 4.49 | 0 | Hydrophobic |
| O4B | N | LYS- 54 | 3.06 | 159.41 | H-Bond (Protein Donor) |
| O2X | NZ | LYS- 54 | 2.74 | 154.91 | H-Bond (Protein Donor) |
| O1X | NZ | LYS- 54 | 3.95 | 0 | Ionic (Protein Cationic) |
| O2X | NZ | LYS- 54 | 2.74 | 0 | Ionic (Protein Cationic) |
| O5B | N | LYS- 55 | 3.1 | 154.69 | H-Bond (Protein Donor) |
| C5D | CB | LYS- 55 | 4.05 | 0 | Hydrophobic |
| C5B | CG | LYS- 55 | 3.87 | 0 | Hydrophobic |
| O2A | OG1 | THR- 56 | 2.64 | 155.31 | H-Bond (Protein Donor) |
| O2A | N | THR- 56 | 2.83 | 143.51 | H-Bond (Protein Donor) |
| C5N | CG2 | THR- 56 | 3.78 | 0 | Hydrophobic |
| C2D | CB | SER- 59 | 4.12 | 0 | Hydrophobic |
| O2X | OG | SER- 76 | 2.75 | 144.16 | H-Bond (Protein Donor) |
| O3X | N | ARG- 77 | 2.69 | 156.78 | H-Bond (Protein Donor) |
| O3X | N | GLU- 78 | 3.4 | 128.06 | H-Bond (Protein Donor) |
| O1A | N | GLY- 117 | 3.12 | 140.42 | H-Bond (Protein Donor) |
| O2A | N | GLY- 117 | 3.27 | 125.88 | H-Bond (Protein Donor) |
| O1N | N | SER- 118 | 2.9 | 159.33 | H-Bond (Protein Donor) |
| C4D | CG2 | THR- 146 | 4.09 | 0 | Hydrophobic |
| O3D | O | HOH- 2186 | 2.84 | 179.97 | H-Bond (Protein Donor) |