2.300 Å
X-ray
2011-09-09
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | Q83AB2_COXBU |
| AC: | Q83AB2 |
| Organism: | Coxiella burnetii |
| Reign: | Bacteria |
| TaxID: | 227377 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 64.728 |
|---|---|
| Number of residues: | 34 |
| Including | |
| Standard Amino Acids: | 33 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.225 | 384.750 |
| % Hydrophobic | % Polar |
|---|---|
| 70.18 | 29.82 |
| According to VolSite | |

| HET Code: | MTX |
|---|---|
| Formula: | C20H20N8O5 |
| Molecular weight: | 452.423 g/mol |
| DrugBank ID: | DB00563 |
| Buried Surface Area: | 62.31 % |
| Polar Surface area: | 216.2 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 12 |
| 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 |
|---|---|---|
| 15.3918 | 3.57233 | 20.183 |
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- 6 | 2.8 | 140.22 | H-Bond (Ligand Donor) |
| C9 | CD2 | LEU- 21 | 4.37 | 0 | Hydrophobic |
| CM | CG | LEU- 21 | 3.87 | 0 | Hydrophobic |
| C13 | CD1 | LEU- 21 | 4.47 | 0 | Hydrophobic |
| NA2 | OD1 | ASP- 28 | 2.79 | 174.17 | H-Bond (Ligand Donor) |
| NA2 | OD2 | ASP- 28 | 3.15 | 123.81 | H-Bond (Ligand Donor) |
| CG | CB | LEU- 29 | 3.68 | 0 | Hydrophobic |
| C11 | CD2 | LEU- 29 | 3.98 | 0 | Hydrophobic |
| C9 | CG2 | THR- 47 | 4.29 | 0 | Hydrophobic |
| CM | CB | SER- 50 | 4.24 | 0 | Hydrophobic |
| C9 | CG1 | ILE- 51 | 4.26 | 0 | Hydrophobic |
| CM | CG1 | ILE- 51 | 3.93 | 0 | Hydrophobic |
| C14 | CG1 | ILE- 51 | 3.43 | 0 | Hydrophobic |
| C16 | CD2 | LEU- 55 | 3.8 | 0 | Hydrophobic |
| O1 | CZ | ARG- 58 | 3.8 | 0 | Ionic (Protein Cationic) |
| O2 | CZ | ARG- 58 | 3.43 | 0 | Ionic (Protein Cationic) |
| O1 | NH1 | ARG- 58 | 2.93 | 174.44 | H-Bond (Protein Donor) |
| O2 | NH1 | ARG- 58 | 3.35 | 128.45 | H-Bond (Protein Donor) |
| O2 | NH2 | ARG- 58 | 2.66 | 170.15 | H-Bond (Protein Donor) |
| NA4 | O | ILE- 96 | 3.19 | 130.29 | H-Bond (Ligand Donor) |
| C9 | C4N | NDP- 1001 | 3.82 | 0 | Hydrophobic |