2.500 Å
X-ray
1997-03-13
| Name: | 3-alpha-hydroxysteroid dehydrogenase |
|---|---|
| ID: | DIDH_RAT |
| AC: | P23457 |
| Organism: | Rattus norvegicus |
| Reign: | Eukaryota |
| TaxID: | 10116 |
| EC Number: | 1.1.1.50 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 26.691 |
|---|---|
| Number of residues: | 21 |
| Including | |
| Standard Amino Acids: | 20 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | NAP |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.854 | 664.875 |
| % Hydrophobic | % Polar |
|---|---|
| 45.18 | 54.82 |
| According to VolSite | |

| HET Code: | TES |
|---|---|
| Formula: | C19H28O2 |
| Molecular weight: | 288.424 g/mol |
| DrugBank ID: | DB00624 |
| Buried Surface Area: | 56.05 % |
| Polar Surface area: | 37.29 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 2 |
| H-Bond Donors: | 1 |
| Rings: | 4 |
| Aromatic rings: | 0 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 0 |
| X | Y | Z |
|---|---|---|
| -24.1596 | 9.10657 | -1.87424 |
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 |
| C9 | CD2 | LEU- 54 | 3.76 | 0 | Hydrophobic |
| O3 | OH | TYR- 55 | 2.55 | 155.87 | H-Bond (Protein Donor) |
| O3 | NE2 | HIS- 117 | 2.77 | 134.72 | H-Bond (Protein Donor) |
| C2 | CE2 | PHE- 118 | 3.96 | 0 | Hydrophobic |
| C12 | CE1 | PHE- 129 | 3.8 | 0 | Hydrophobic |
| C15 | CB | THR- 226 | 4.47 | 0 | Hydrophobic |
| C6 | CE2 | TRP- 227 | 3.93 | 0 | Hydrophobic |
| C18 | CB | TRP- 227 | 3.7 | 0 | Hydrophobic |
| C19 | CD2 | TRP- 227 | 3.93 | 0 | Hydrophobic |
| C11 | CZ | TYR- 310 | 3.57 | 0 | Hydrophobic |
| C12 | CG | TYR- 310 | 4.3 | 0 | Hydrophobic |
| C18 | CD2 | TYR- 310 | 4.17 | 0 | Hydrophobic |
| C19 | CZ | TYR- 310 | 3.66 | 0 | Hydrophobic |
| C2 | C4N | NAP- 324 | 3.64 | 0 | Hydrophobic |