1.650 Å
X-ray
2009-07-28
| 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: | 9.185 |
|---|---|
| Number of residues: | 25 |
| Including | |
| Standard Amino Acids: | 24 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | ZN |
| Ligandability | Volume (Å3) |
|---|---|
| 0.571 | 357.750 |
| % Hydrophobic | % Polar |
|---|---|
| 53.77 | 46.23 |
| According to VolSite | |

| HET Code: | DT7 |
|---|---|
| Formula: | C11H16N2O4S |
| Molecular weight: | 272.321 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 55.02 % |
| Polar Surface area: | 90.24 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 4 |
| H-Bond Donors: | 1 |
| Rings: | 2 |
| Aromatic rings: | 1 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 3 |
| X | Y | Z |
|---|---|---|
| -4.23689 | 3.71089 | 14.4024 |
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 |
| CAJ | CG2 | VAL- 121 | 3.67 | 0 | Hydrophobic |
| CAA | CE2 | PHE- 131 | 4.26 | 0 | Hydrophobic |
| CAH | CD1 | LEU- 198 | 4.49 | 0 | Hydrophobic |
| CAJ | CD2 | LEU- 198 | 4.23 | 0 | Hydrophobic |
| CAP | CD2 | LEU- 198 | 4.45 | 0 | Hydrophobic |
| NAD | OG1 | THR- 199 | 2.7 | 157.76 | H-Bond (Ligand Donor) |
| OAE | N | THR- 199 | 2.91 | 155.91 | H-Bond (Protein Donor) |
| CAH | CB | THR- 200 | 4.48 | 0 | Hydrophobic |
| CAQ | CG2 | THR- 200 | 4.23 | 0 | Hydrophobic |
| NAD | ZN | ZN- 262 | 2.06 | 0 | Metal Acceptor |