2.300 Å
X-ray
2008-05-30
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | Q81R22_BACAN |
| AC: | Q81R22 |
| Organism: | Bacillus anthracis |
| Reign: | Bacteria |
| TaxID: | 1392 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 42.455 |
|---|---|
| Number of residues: | 37 |
| Including | |
| Standard Amino Acids: | 36 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.481 | 432.000 |
| % Hydrophobic | % Polar |
|---|---|
| 58.59 | 41.41 |
| According to VolSite | |

| HET Code: | MTX |
|---|---|
| Formula: | C20H20N8O5 |
| Molecular weight: | 452.423 g/mol |
| DrugBank ID: | DB00563 |
| Buried Surface Area: | 64.44 % |
| 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 |
|---|---|---|
| -2.50233 | -3.02058 | 13.6656 |
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 | MET- 6 | 2.79 | 157.78 | H-Bond (Ligand Donor) |
| C9 | CD2 | LEU- 21 | 4.4 | 0 | Hydrophobic |
| CM | CG | LEU- 21 | 3.81 | 0 | Hydrophobic |
| N1 | OE2 | GLU- 28 | 3.01 | 137.14 | H-Bond (Ligand Donor) |
| N1 | OE1 | GLU- 28 | 2.83 | 157.21 | H-Bond (Ligand Donor) |
| NA2 | OE2 | GLU- 28 | 2.76 | 150.95 | H-Bond (Ligand Donor) |
| C11 | CD1 | LEU- 29 | 4.05 | 0 | Hydrophobic |
| C15 | CD2 | LEU- 29 | 3.86 | 0 | Hydrophobic |
| CG | CB | LEU- 29 | 3.94 | 0 | Hydrophobic |
| CB | CD | LYS- 33 | 4.3 | 0 | Hydrophobic |
| CM | CB | ALA- 50 | 4.29 | 0 | Hydrophobic |
| C9 | CD1 | ILE- 51 | 4.2 | 0 | Hydrophobic |
| CM | CG1 | ILE- 51 | 3.99 | 0 | Hydrophobic |
| C14 | CG1 | ILE- 51 | 3.6 | 0 | Hydrophobic |
| O | NH2 | ARG- 53 | 2.55 | 146.61 | H-Bond (Protein Donor) |
| OE1 | NH2 | ARG- 53 | 2.97 | 127.38 | H-Bond (Protein Donor) |
| OE1 | CZ | ARG- 53 | 3.98 | 0 | Ionic (Protein Cationic) |
| C16 | CD2 | LEU- 55 | 4.35 | 0 | Hydrophobic |
| O1 | NH1 | ARG- 58 | 3.32 | 166.63 | H-Bond (Protein Donor) |
| O2 | NH2 | ARG- 58 | 3.01 | 148.74 | H-Bond (Protein Donor) |
| O2 | CZ | ARG- 58 | 3.8 | 0 | Ionic (Protein Cationic) |
| NA4 | O | PHE- 96 | 3.21 | 127.69 | H-Bond (Ligand Donor) |
| C9 | CE2 | PHE- 96 | 4.42 | 0 | Hydrophobic |
| C9 | C4N | NDP- 202 | 4.46 | 0 | Hydrophobic |