1.700 Å
X-ray
1999-11-17
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | DYR_MYCTU |
| AC: | P9WNX1 |
| Organism: | Mycobacterium tuberculosis |
| Reign: | Bacteria |
| TaxID: | 83332 |
| EC Number: | 1.5.1.3 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 17.837 |
|---|---|
| Number of residues: | 34 |
| Including | |
| Standard Amino Acids: | 32 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.763 | 583.875 |
| % Hydrophobic | % Polar |
|---|---|
| 48.55 | 51.45 |
| According to VolSite | |

| HET Code: | MTX |
|---|---|
| Formula: | C20H20N8O5 |
| Molecular weight: | 452.423 g/mol |
| DrugBank ID: | DB00563 |
| Buried Surface Area: | 63.61 % |
| 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 |
|---|---|---|
| 3.10006 | 27.2117 | 11.5768 |
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- 5 | 2.82 | 151.13 | H-Bond (Ligand Donor) |
| C9 | CD1 | ILE- 20 | 4.08 | 0 | Hydrophobic |
| CM | CD1 | ILE- 20 | 4.14 | 0 | Hydrophobic |
| N1 | OD2 | ASP- 27 | 2.64 | 159.95 | H-Bond (Ligand Donor) |
| NA2 | OD1 | ASP- 27 | 2.88 | 176.75 | H-Bond (Ligand Donor) |
| NA2 | OD2 | ASP- 27 | 3.39 | 128.7 | H-Bond (Ligand Donor) |
| CG | CB | GLN- 28 | 4.14 | 0 | Hydrophobic |
| O2 | NH1 | ARG- 32 | 3 | 148.06 | H-Bond (Protein Donor) |
| CB | CD | ARG- 32 | 3.96 | 0 | Hydrophobic |
| C9 | CD2 | LEU- 50 | 4.16 | 0 | Hydrophobic |
| CM | CD2 | LEU- 50 | 4.2 | 0 | Hydrophobic |
| C14 | CD2 | LEU- 50 | 3.71 | 0 | Hydrophobic |
| C13 | CG | PRO- 51 | 4.14 | 0 | Hydrophobic |
| C12 | CG2 | VAL- 54 | 4.17 | 0 | Hydrophobic |
| C16 | CD2 | LEU- 57 | 3.96 | 0 | Hydrophobic |
| O1 | CZ | ARG- 60 | 3.54 | 0 | Ionic (Protein Cationic) |
| O2 | CZ | ARG- 60 | 3.74 | 0 | Ionic (Protein Cationic) |
| O1 | NH1 | ARG- 60 | 2.79 | 166.93 | H-Bond (Protein Donor) |
| O1 | NH2 | ARG- 60 | 3.43 | 130.8 | H-Bond (Protein Donor) |
| O2 | NH2 | ARG- 60 | 2.86 | 168.72 | H-Bond (Protein Donor) |
| NA4 | O | ILE- 94 | 2.92 | 136.05 | H-Bond (Ligand Donor) |
| C9 | C4N | NDP- 500 | 4.37 | 0 | Hydrophobic |
| NA2 | O | HOH- 508 | 3.02 | 133.3 | H-Bond (Ligand Donor) |