2.100 Å
X-ray
2006-02-09
| 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: | 28.572 |
|---|---|
| Number of residues: | 35 |
| Including | |
| Standard Amino Acids: | 34 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NDP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.433 | 583.875 |
| % Hydrophobic | % Polar |
|---|---|
| 67.63 | 32.37 |
| According to VolSite | |

| HET Code: | DH1 |
|---|---|
| Formula: | C17H21N4O4 |
| Molecular weight: | 345.373 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 65.46 % |
| Polar Surface area: | 136.41 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 8 |
| H-Bond Donors: | 2 |
| Rings: | 2 |
| Aromatic rings: | 2 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 9 |
| X | Y | Z |
|---|---|---|
| 30.9748 | 9.61336 | 10.5341 |
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 |
| N4 | O | ILE- 10 | 3.05 | 170.71 | H-Bond (Ligand Donor) |
| C16 | CG | LEU- 25 | 3.93 | 0 | Hydrophobic |
| C3' | CD1 | LEU- 25 | 4.09 | 0 | Hydrophobic |
| N1 | OE2 | GLU- 32 | 3.44 | 130.07 | H-Bond (Ligand Donor) |
| N1 | OE1 | GLU- 32 | 2.73 | 168.55 | H-Bond (Ligand Donor) |
| N2 | OE2 | GLU- 32 | 2.72 | 167.75 | H-Bond (Ligand Donor) |
| C7 | CG2 | ILE- 33 | 3.55 | 0 | Hydrophobic |
| C4' | CD1 | ILE- 33 | 3.88 | 0 | Hydrophobic |
| C52 | CE2 | PHE- 36 | 4.05 | 0 | Hydrophobic |
| C7 | CD2 | PHE- 36 | 4.49 | 0 | Hydrophobic |
| C51 | CE1 | PHE- 36 | 3.98 | 0 | Hydrophobic |
| C5 | CB | PHE- 36 | 4.47 | 0 | Hydrophobic |
| C7 | CB | LYS- 37 | 4.22 | 0 | Hydrophobic |
| O10 | NZ | LYS- 37 | 3.99 | 0 | Ionic (Protein Cationic) |
| C52 | CG2 | ILE- 65 | 4.24 | 0 | Hydrophobic |
| C1 | CB | PHE- 69 | 3.54 | 0 | Hydrophobic |
| C1 | CD2 | LEU- 72 | 3.64 | 0 | Hydrophobic |
| O9 | CZ | ARG- 75 | 3.58 | 0 | Ionic (Protein Cationic) |
| O9 | NH1 | ARG- 75 | 2.85 | 168.98 | H-Bond (Protein Donor) |
| O9 | NH2 | ARG- 75 | 3.42 | 133.99 | H-Bond (Protein Donor) |
| O10 | NH2 | ARG- 75 | 3.18 | 163.51 | H-Bond (Protein Donor) |
| N4 | O | ILE- 123 | 2.92 | 127.6 | H-Bond (Ligand Donor) |
| N2 | OG1 | THR- 144 | 3.49 | 121.49 | H-Bond (Ligand Donor) |
| C16 | C5N | NDP- 207 | 3.66 | 0 | Hydrophobic |
| C51 | C4N | NDP- 207 | 4.12 | 0 | Hydrophobic |