2.000 Å
X-ray
2006-03-01
| Name: | Cathepsin S |
|---|---|
| ID: | CATS_HUMAN |
| AC: | P25774 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 3.4.22.27 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 94 % |
| B | 6 % |
| B-Factor: | 18.202 |
|---|---|
| Number of residues: | 32 |
| Including | |
| Standard Amino Acids: | 31 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.278 | 1154.250 |
| % Hydrophobic | % Polar |
|---|---|
| 52.34 | 47.66 |
| According to VolSite | |

| HET Code: | MO9 |
|---|---|
| Formula: | C18H21F2N3O7S |
| Molecular weight: | 461.437 g/mol |
| DrugBank ID: | DB08195 |
| Buried Surface Area: | 55.89 % |
| Polar Surface area: | 143.41 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 8 |
| H-Bond Donors: | 1 |
| Rings: | 2 |
| Aromatic rings: | 1 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 10 |
| X | Y | Z |
|---|---|---|
| 34.0103 | 23.3578 | 24.8928 |
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 |
| C9 | CB | TRP- 26 | 4.21 | 0 | Hydrophobic |
| C23 | CD | LYS- 61 | 4 | 0 | Hydrophobic |
| O16 | N | GLY- 66 | 3 | 151.24 | H-Bond (Protein Donor) |
| C7 | CD2 | PHE- 67 | 4.25 | 0 | Hydrophobic |
| C25 | CE1 | PHE- 67 | 3.54 | 0 | Hydrophobic |
| C6 | CG2 | VAL- 157 | 3.82 | 0 | Hydrophobic |
| N15 | O | ASN- 158 | 3.09 | 156.92 | H-Bond (Ligand Donor) |
| C4 | CB | PHE- 205 | 3.91 | 0 | Hydrophobic |