2.580 Å
X-ray
2011-07-07
| Name: | Toxin A |
|---|---|
| ID: | Q189K5_PEPD6 |
| AC: | Q189K5 |
| Organism: | Peptoclostridium difficile |
| Reign: | Bacteria |
| TaxID: | 272563 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 41.363 |
|---|---|
| Number of residues: | 39 |
| Including | |
| Standard Amino Acids: | 37 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | MN |
| Ligandability | Volume (Å3) |
|---|---|
| 0.215 | 668.250 |
| % Hydrophobic | % Polar |
|---|---|
| 45.45 | 54.55 |
| According to VolSite | |

| HET Code: | UPG |
|---|---|
| Formula: | C15H22N2O17P2 |
| Molecular weight: | 564.286 g/mol |
| DrugBank ID: | DB01861 |
| Buried Surface Area: | 76.41 % |
| Polar Surface area: | 316.82 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 17 |
| H-Bond Donors: | 7 |
| Rings: | 3 |
| Aromatic rings: | 0 |
| Anionic atoms: | 2 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 3 |
| Rotatable Bonds: | 9 |
| X | Y | Z |
|---|---|---|
| -32.5739 | -42.1331 | -13.6175 |
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 |
| C2C | CE3 | TRP- 101 | 3.89 | 0 | Hydrophobic |
| C3C | CZ3 | TRP- 101 | 4.39 | 0 | Hydrophobic |
| N3 | O | ILE- 102 | 2.97 | 146.52 | H-Bond (Ligand Donor) |
| O2 | N | ILE- 102 | 3.01 | 172.09 | H-Bond (Protein Donor) |
| O4 | ND2 | ASN- 138 | 3.01 | 160.63 | H-Bond (Protein Donor) |
| C5' | CB | ALA- 265 | 4.14 | 0 | Hydrophobic |
| O2C | OG | SER- 268 | 2.91 | 167.96 | H-Bond (Protein Donor) |
| C1C | CB | SER- 268 | 3.53 | 0 | Hydrophobic |
| O6' | OD2 | ASP- 269 | 2.82 | 160.72 | H-Bond (Ligand Donor) |
| O3' | NH1 | ARG- 272 | 2.82 | 170.73 | H-Bond (Protein Donor) |
| O4' | NH2 | ARG- 272 | 2.94 | 123.28 | H-Bond (Protein Donor) |
| O3C | OD1 | ASP- 285 | 3.13 | 158.76 | H-Bond (Ligand Donor) |
| O3' | OD1 | ASP- 285 | 3.43 | 134.63 | H-Bond (Ligand Donor) |
| O3' | OD2 | ASP- 285 | 2.59 | 168.42 | H-Bond (Ligand Donor) |
| C5C | CB | ASP- 285 | 4.47 | 0 | Hydrophobic |
| O3C | N | VAL- 286 | 3.17 | 158.42 | H-Bond (Protein Donor) |
| C2' | CG1 | ILE- 382 | 4.41 | 0 | Hydrophobic |
| C6' | CG2 | THR- 464 | 3.42 | 0 | Hydrophobic |
| O2B | NE1 | TRP- 519 | 3.2 | 128.82 | H-Bond (Protein Donor) |
| O3B | NE1 | TRP- 519 | 3.02 | 139.21 | H-Bond (Protein Donor) |
| O5' | NE1 | TRP- 519 | 3 | 120.02 | H-Bond (Protein Donor) |
| C1' | CE2 | TRP- 519 | 4.32 | 0 | Hydrophobic |
| C6' | CE2 | TRP- 519 | 3.61 | 0 | Hydrophobic |
| O1A | MN | MN- 1542 | 2.11 | 0 | Metal Acceptor |
| O1B | MN | MN- 1542 | 2.17 | 0 | Metal Acceptor |