2.600 Å
X-ray
2008-10-01
| 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: | 27.776 |
|---|---|
| Number of residues: | 33 |
| Including | |
| Standard Amino Acids: | 32 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.382 | 320.625 |
| % Hydrophobic | % Polar |
|---|---|
| 57.89 | 42.11 |
| According to VolSite | |

| HET Code: | SAM |
|---|---|
| Formula: | C15H23N6O5S |
| Molecular weight: | 399.445 g/mol |
| DrugBank ID: | DB00118 |
| Buried Surface Area: | 64.41 % |
| Polar Surface area: | 189.77 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 9 |
| H-Bond Donors: | 4 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 1 |
| Cationic atoms: | 2 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 7 |
| X | Y | Z |
|---|---|---|
| 15.9783 | 13.0139 | 16.4214 |
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 |
| N | O | GLY- 66 | 2.96 | 155.56 | H-Bond (Ligand Donor) |
| SD | CB | TYR- 68 | 3.78 | 0 | Hydrophobic |
| CG | CB | TYR- 68 | 3.58 | 0 | Hydrophobic |
| N | OG | SER- 72 | 2.95 | 162.77 | H-Bond (Ligand Donor) |
| O3' | OE2 | GLU- 90 | 3.02 | 124.03 | H-Bond (Ligand Donor) |
| O3' | OE1 | GLU- 90 | 2.88 | 173.44 | H-Bond (Ligand Donor) |
| O2' | OE2 | GLU- 90 | 2.59 | 171.37 | H-Bond (Ligand Donor) |
| C1' | CG | MET- 91 | 4.33 | 0 | Hydrophobic |
| N3 | N | MET- 91 | 3.1 | 147.73 | H-Bond (Protein Donor) |
| C3' | CD2 | TYR- 95 | 4.12 | 0 | Hydrophobic |
| N1 | N | SER- 119 | 2.92 | 150.8 | H-Bond (Protein Donor) |
| N6 | OE1 | GLN- 120 | 3.1 | 154.76 | H-Bond (Ligand Donor) |
| N | OD2 | ASP- 141 | 2.52 | 175.81 | H-Bond (Ligand Donor) |
| N | OD2 | ASP- 141 | 2.52 | 0 | Ionic (Ligand Cationic) |
| C1' | CB | HIS- 142 | 4.46 | 0 | Hydrophobic |
| N7 | N | TRP- 143 | 3.35 | 128.91 | H-Bond (Protein Donor) |