2.100 Å
X-ray
1998-07-31
| Name: | Carbonic anhydrase 2 |
|---|---|
| ID: | CAH2_HUMAN |
| AC: | P00918 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 4.2.1.1 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 10.065 |
|---|---|
| Number of residues: | 27 |
| Including | |
| Standard Amino Acids: | 26 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | ZN |
| Ligandability | Volume (Å3) |
|---|---|
| 0.310 | 354.375 |
| % Hydrophobic | % Polar |
|---|---|
| 44.76 | 55.24 |
| According to VolSite | |

| HET Code: | AL9 |
|---|---|
| Formula: | C12H14N2O5S3 |
| Molecular weight: | 362.445 g/mol |
| DrugBank ID: | DB03526 |
| Buried Surface Area: | 53.75 % |
| Polar Surface area: | 160.55 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 5 |
| H-Bond Donors: | 2 |
| Rings: | 2 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| -3.66891 | 5.46086 | 14.8851 |
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 |
| S2 | CG2 | VAL- 121 | 3.64 | 0 | Hydrophobic |
| C13 | CG2 | VAL- 135 | 4.5 | 0 | Hydrophobic |
| C14 | CG1 | VAL- 135 | 3.85 | 0 | Hydrophobic |
| S2 | CD2 | LEU- 198 | 3.54 | 0 | Hydrophobic |
| C9 | CD1 | LEU- 198 | 3.93 | 0 | Hydrophobic |
| C15 | CD1 | LEU- 198 | 3.5 | 0 | Hydrophobic |
| O1A | N | THR- 199 | 2.78 | 154.88 | H-Bond (Protein Donor) |
| N21 | OG1 | THR- 199 | 2.55 | 168.96 | H-Bond (Ligand Donor) |
| C15 | CG | PRO- 202 | 3.86 | 0 | Hydrophobic |
| C14 | CG | PRO- 202 | 3.87 | 0 | Hydrophobic |
| C14 | CD1 | LEU- 204 | 3.88 | 0 | Hydrophobic |
| N21 | ZN | ZN- 262 | 1.89 | 0 | Metal Acceptor |