2.300 Å
X-ray
1997-07-29
| Name: | Dihydrofolate reductase |
|---|---|
| ID: | DYR_PNECA |
| AC: | P16184 |
| Organism: | Pneumocystis carinii |
| Reign: | Eukaryota |
| TaxID: | 4754 |
| EC Number: | 1.5.1.3 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 25.599 |
|---|---|
| Number of residues: | 34 |
| Including | |
| Standard Amino Acids: | 32 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.694 | 472.500 |
| % Hydrophobic | % Polar |
|---|---|
| 77.14 | 22.86 |
| According to VolSite | |

| HET Code: | MOT |
|---|---|
| Formula: | C20H20N6O6 |
| Molecular weight: | 440.409 g/mol |
| DrugBank ID: | DB02026 |
| Buried Surface Area: | 66.16 % |
| Polar Surface area: | 203.56 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 10 |
| 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 |
|---|---|---|
| 13.4689 | 6.92225 | 9.93375 |
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- 10 | 3.12 | 149.83 | H-Bond (Ligand Donor) |
| CM | CD1 | LEU- 25 | 4.27 | 0 | Hydrophobic |
| N1 | OE2 | GLU- 32 | 2.86 | 145.88 | H-Bond (Ligand Donor) |
| N1 | OE1 | GLU- 32 | 2.76 | 145.36 | H-Bond (Ligand Donor) |
| NA2 | OE2 | GLU- 32 | 2.95 | 146.4 | H-Bond (Ligand Donor) |
| C11 | CD1 | ILE- 33 | 4 | 0 | Hydrophobic |
| CG | CD | LYS- 37 | 4.23 | 0 | Hydrophobic |
| OE2 | NZ | LYS- 37 | 2.9 | 148.74 | H-Bond (Protein Donor) |
| OE2 | NZ | LYS- 37 | 2.9 | 0 | Ionic (Protein Cationic) |
| C9 | CG2 | THR- 61 | 4.37 | 0 | Hydrophobic |
| CM | CG2 | THR- 61 | 3.95 | 0 | Hydrophobic |
| CM | CB | SER- 64 | 4.44 | 0 | Hydrophobic |
| C16 | CG1 | ILE- 65 | 3.72 | 0 | Hydrophobic |
| CB | CG | PHE- 69 | 3.22 | 0 | Hydrophobic |
| CG | CD1 | PHE- 69 | 3.55 | 0 | Hydrophobic |
| C12 | CD2 | LEU- 72 | 4.47 | 0 | Hydrophobic |
| O1 | NH1 | ARG- 75 | 3.15 | 152.43 | H-Bond (Protein Donor) |
| O1 | NH2 | ARG- 75 | 3.35 | 142.14 | H-Bond (Protein Donor) |
| O2 | NH2 | ARG- 75 | 3.23 | 150.03 | H-Bond (Protein Donor) |
| O1 | CZ | ARG- 75 | 3.71 | 0 | Ionic (Protein Cationic) |
| C9 | C4N | NDP- 207 | 3.24 | 0 | Hydrophobic |
| CM | C5N | NDP- 207 | 3.96 | 0 | Hydrophobic |
| O2 | O | HOH- 246 | 2.76 | 162.56 | H-Bond (Protein Donor) |