2.020 Å
X-ray
2004-10-11
| 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: | 20.456 |
|---|---|
| Number of residues: | 29 |
| Including | |
| Standard Amino Acids: | 28 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | ZN |
| Ligandability | Volume (Å3) |
|---|---|
| 0.497 | 452.250 |
| % Hydrophobic | % Polar |
|---|---|
| 48.51 | 51.49 |
| According to VolSite | |

| HET Code: | 4TZ |
|---|---|
| Formula: | C16H14N6O3S |
| Molecular weight: | 370.386 g/mol |
| DrugBank ID: | DB04601 |
| Buried Surface Area: | 48.17 % |
| Polar Surface area: | 135.51 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 1 |
| Rings: | 3 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| 22.875 | 31.762 | 19.6313 |
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 |
| N4 | ND2 | ASN- 62 | 3.11 | 134.02 | H-Bond (Protein Donor) |
| C15 | CG2 | VAL- 121 | 4.01 | 0 | Hydrophobic |
| C5 | CG1 | VAL- 135 | 4.44 | 0 | Hydrophobic |
| C5 | CD1 | LEU- 198 | 4.29 | 0 | Hydrophobic |
| C14 | CD2 | LEU- 198 | 3.86 | 0 | Hydrophobic |
| O1 | N | THR- 199 | 3 | 150.71 | H-Bond (Protein Donor) |
| N1 | OG1 | THR- 199 | 2.85 | 169.97 | H-Bond (Ligand Donor) |
| C13 | CB | THR- 200 | 4.28 | 0 | Hydrophobic |
| C6 | CG | PRO- 202 | 4.08 | 0 | Hydrophobic |
| N1 | ZN | ZN- 262 | 2.29 | 0 | Metal Acceptor |