2.500 Å
X-ray
2009-07-22
| Name: | Isopenicillin N synthase |
|---|---|
| ID: | IPNS_EMENI |
| AC: | P05326 |
| Organism: | Emericella nidulans |
| Reign: | Eukaryota |
| TaxID: | 227321 |
| EC Number: | 1.21.3.1 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 13.541 |
|---|---|
| Number of residues: | 42 |
| Including | |
| Standard Amino Acids: | 39 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | FE2 |
| Ligandability | Volume (Å3) |
|---|---|
| 1.363 | 624.375 |
| % Hydrophobic | % Polar |
|---|---|
| 60.54 | 39.46 |
| According to VolSite | |

| HET Code: | ASV |
|---|---|
| Formula: | C13H20N3O6S |
| Molecular weight: | 346.379 g/mol |
| DrugBank ID: | DB03427 |
| Buried Surface Area: | 61.35 % |
| Polar Surface area: | 204.89 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 4 |
| Rings: | 0 |
| Aromatic rings: | 0 |
| Anionic atoms: | 2 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 11 |
| X | Y | Z |
|---|---|---|
| 8.78483 | -2.26448 | 8.02104 |
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 |
| O19 | NH2 | ARG- 87 | 2.84 | 177.28 | H-Bond (Protein Donor) |
| O20 | NE | ARG- 87 | 2.78 | 166.42 | H-Bond (Protein Donor) |
| O19 | CZ | ARG- 87 | 3.66 | 0 | Ionic (Protein Cationic) |
| O20 | CZ | ARG- 87 | 3.63 | 0 | Ionic (Protein Cationic) |
| O19 | OG | SER- 183 | 2.72 | 162.7 | H-Bond (Protein Donor) |
| C32 | CD1 | ILE- 187 | 4.48 | 0 | Hydrophobic |
| O42 | OH | TYR- 189 | 2.58 | 133.62 | H-Bond (Protein Donor) |
| O43 | OH | TYR- 189 | 3.43 | 146.52 | H-Bond (Protein Donor) |
| C16 | CE2 | PHE- 211 | 3.46 | 0 | Hydrophobic |
| O43 | OG | SER- 281 | 3.26 | 168.94 | H-Bond (Protein Donor) |
| C32 | CG | PRO- 283 | 4.46 | 0 | Hydrophobic |
| C33 | CB | PRO- 283 | 3.74 | 0 | Hydrophobic |
| C7 | CE2 | PHE- 285 | 4.26 | 0 | Hydrophobic |
| S17 | CZ | PHE- 285 | 3.72 | 0 | Hydrophobic |
| C33 | CZ | PHE- 285 | 3.97 | 0 | Hydrophobic |
| C4 | CE2 | PHE- 285 | 3.95 | 0 | Hydrophobic |
| C3 | CD2 | LEU- 321 | 3.83 | 0 | Hydrophobic |
| C7 | CD2 | LEU- 321 | 4.37 | 0 | Hydrophobic |
| C7 | CD2 | LEU- 324 | 3.89 | 0 | Hydrophobic |
| O43 | O | HOH- 2301 | 2.61 | 179.96 | H-Bond (Protein Donor) |