1.760 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: | 16.707 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 27 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | ZN |
| Ligandability | Volume (Å3) |
|---|---|
| 0.617 | 364.500 |
| % Hydrophobic | % Polar |
|---|---|
| 49.07 | 50.93 |
| According to VolSite | |

| HET Code: | 4TR |
|---|---|
| Formula: | C16H13BrN6O3S |
| Molecular weight: | 449.282 g/mol |
| DrugBank ID: | DB04600 |
| Buried Surface Area: | 50.88 % |
| 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 |
|---|---|---|
| 21.5982 | 31.771 | 19.9006 |
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 |
| BR | CG1 | VAL- 121 | 3.74 | 0 | Hydrophobic |
| C6 | CG2 | VAL- 121 | 4.22 | 0 | Hydrophobic |
| C13 | CE2 | PHE- 131 | 3.46 | 0 | Hydrophobic |
| BR | CD1 | LEU- 141 | 3.73 | 0 | Hydrophobic |
| BR | CG2 | VAL- 143 | 4.07 | 0 | Hydrophobic |
| BR | CD2 | LEU- 198 | 4.11 | 0 | Hydrophobic |
| O1 | N | THR- 199 | 3.05 | 146.25 | H-Bond (Protein Donor) |
| N1 | OG1 | THR- 199 | 2.61 | 152.16 | H-Bond (Ligand Donor) |
| C2 | CG2 | THR- 200 | 4.23 | 0 | Hydrophobic |
| N1 | ZN | ZN- 262 | 2.13 | 0 | Metal Acceptor |