1.890 Å
X-ray
2008-11-16
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | O30463_MYCAV |
| AC: | O30463 |
| Organism: | Mycobacterium avium |
| Reign: | Bacteria |
| TaxID: | 1764 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 27.503 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 26 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.400 | 550.125 |
| % Hydrophobic | % Polar |
|---|---|
| 70.55 | 29.45 |
| According to VolSite | |

| HET Code: | TOP |
|---|---|
| Formula: | C14H18N4O3 |
| Molecular weight: | 290.318 g/mol |
| DrugBank ID: | DB00440 |
| Buried Surface Area: | 61.21 % |
| Polar Surface area: | 105.51 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 2 |
| Rings: | 2 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 5 |
| X | Y | Z |
|---|---|---|
| 50.579 | 23.0186 | 32.4892 |
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 |
| N7 | O | VAL- 9 | 2.91 | 156.48 | H-Bond (Ligand Donor) |
| C20 | CG1 | ILE- 24 | 3.93 | 0 | Hydrophobic |
| C21 | CD1 | ILE- 24 | 3.76 | 0 | Hydrophobic |
| N2 | OD2 | ASP- 31 | 2.79 | 161.49 | H-Bond (Ligand Donor) |
| N4 | OD1 | ASP- 31 | 2.8 | 174.56 | H-Bond (Ligand Donor) |
| N4 | OD2 | ASP- 31 | 3.5 | 128.92 | H-Bond (Ligand Donor) |
| C14 | CD2 | LEU- 32 | 4.17 | 0 | Hydrophobic |
| C17 | CD1 | LEU- 32 | 4.38 | 0 | Hydrophobic |
| C12 | CD2 | LEU- 32 | 3.95 | 0 | Hydrophobic |
| C9 | CE1 | PHE- 35 | 4.05 | 0 | Hydrophobic |
| C14 | CD2 | PHE- 35 | 3.91 | 0 | Hydrophobic |
| C20 | CB | SER- 53 | 3.93 | 0 | Hydrophobic |
| C20 | CD2 | LEU- 54 | 4.5 | 0 | Hydrophobic |
| C15 | CD2 | LEU- 54 | 3.65 | 0 | Hydrophobic |
| C14 | CD2 | LEU- 61 | 4.34 | 0 | Hydrophobic |
| N7 | O | ILE- 102 | 2.94 | 132.52 | H-Bond (Ligand Donor) |
| C9 | C4N | NDP- 1168 | 3.52 | 0 | Hydrophobic |
| C20 | C2D | NDP- 1168 | 4 | 0 | Hydrophobic |
| N4 | O | HOH- 2103 | 3.45 | 133.69 | H-Bond (Ligand Donor) |