1.520 Å
X-ray
2010-08-12
| Name: | Catechol O-methyltransferase |
|---|---|
| ID: | COMT_RAT |
| AC: | P22734 |
| Organism: | Rattus norvegicus |
| Reign: | Eukaryota |
| TaxID: | 10116 |
| EC Number: | 2.1.1.6 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 25.201 |
|---|---|
| Number of residues: | 36 |
| Including | |
| Standard Amino Acids: | 35 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.181 | 290.250 |
| % Hydrophobic | % Polar |
|---|---|
| 55.81 | 44.19 |
| According to VolSite | |

| HET Code: | 611 |
|---|---|
| Formula: | C19H18N3O8S |
| Molecular weight: | 448.427 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 68.35 % |
| Polar Surface area: | 206.09 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 10 |
| H-Bond Donors: | 4 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 2 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 7 |
| X | Y | Z |
|---|---|---|
| 20.7158 | -29.606 | 9.48877 |
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 |
| C15 | SD | MET- 40 | 3.91 | 0 | Hydrophobic |
| C20 | CE | MET- 40 | 3.98 | 0 | Hydrophobic |
| C16 | CB | MET- 40 | 3.77 | 0 | Hydrophobic |
| C1 | CB | TYR- 68 | 4.3 | 0 | Hydrophobic |
| O8 | OE2 | GLU- 90 | 3.24 | 138.63 | H-Bond (Ligand Donor) |
| O8 | OE1 | GLU- 90 | 2.57 | 141.78 | H-Bond (Ligand Donor) |
| O9 | OE2 | GLU- 90 | 2.71 | 157.51 | H-Bond (Ligand Donor) |
| S7 | CG2 | ILE- 91 | 3.67 | 0 | Hydrophobic |
| C11 | CG2 | ILE- 91 | 3.46 | 0 | Hydrophobic |
| N29 | N | SER- 119 | 2.87 | 162.58 | H-Bond (Protein Donor) |
| C5 | CB | HIS- 142 | 4.5 | 0 | Hydrophobic |
| S7 | CB | HIS- 142 | 4.09 | 0 | Hydrophobic |
| C31 | CB | HIS- 142 | 3.83 | 0 | Hydrophobic |
| S7 | CE2 | TRP- 143 | 3.29 | 0 | Hydrophobic |
| C27 | CE3 | TRP- 143 | 3.44 | 0 | Hydrophobic |
| O22 | NZ | LYS- 144 | 2.93 | 168.75 | H-Bond (Protein Donor) |
| O23 | ND2 | ASN- 170 | 2.73 | 141.63 | H-Bond (Protein Donor) |
| C18 | CG | PRO- 174 | 4.38 | 0 | Hydrophobic |
| C20 | CG | PRO- 174 | 3.71 | 0 | Hydrophobic |
| C18 | CD1 | LEU- 198 | 4 | 0 | Hydrophobic |
| O23 | OE1 | GLU- 199 | 3.42 | 162.99 | H-Bond (Ligand Donor) |
| O22 | MG | MG- 222 | 2.12 | 0 | Metal Acceptor |
| O23 | MG | MG- 222 | 2.19 | 0 | Metal Acceptor |