1.790 Å
X-ray
2008-01-04
| Name: | 3-oxo-5-beta-steroid 4-dehydrogenase |
|---|---|
| ID: | AK1D1_HUMAN |
| AC: | P51857 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 18.121 |
|---|---|
| Number of residues: | 43 |
| Including | |
| Standard Amino Acids: | 42 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.075 | 864.000 |
| % Hydrophobic | % Polar |
|---|---|
| 50.78 | 49.22 |
| According to VolSite | |

| HET Code: | NAP |
|---|---|
| Formula: | C21H25N7O17P3 |
| Molecular weight: | 740.381 g/mol |
| DrugBank ID: | DB03461 |
| Buried Surface Area: | 65.94 % |
| Polar Surface area: | 405.54 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 21 |
| H-Bond Donors: | 5 |
| Rings: | 5 |
| Aromatic rings: | 3 |
| Anionic atoms: | 4 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 13 |
| X | Y | Z |
|---|---|---|
| 5.5326 | -15.9492 | 2.45865 |
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 |
| O2D | N | THR- 25 | 3.17 | 146.72 | H-Bond (Protein Donor) |
| O3D | N | TYR- 26 | 2.81 | 154.35 | H-Bond (Protein Donor) |
| C3D | CB | TYR- 26 | 3.89 | 0 | Hydrophobic |
| O2D | OD2 | ASP- 53 | 2.75 | 175.47 | H-Bond (Ligand Donor) |
| C2D | CE2 | TYR- 58 | 3.94 | 0 | Hydrophobic |
| N7N | OG | SER- 169 | 2.96 | 132.52 | H-Bond (Ligand Donor) |
| O7N | ND2 | ASN- 170 | 2.81 | 151.34 | H-Bond (Protein Donor) |
| N7N | OE1 | GLN- 193 | 2.93 | 150.92 | H-Bond (Ligand Donor) |
| C3N | CB | TYR- 219 | 4.09 | 0 | Hydrophobic |
| DuAr | DuAr | TYR- 219 | 3.8 | 0 | Aromatic Face/Face |
| O1N | OG | SER- 220 | 2.85 | 159.82 | H-Bond (Protein Donor) |
| O5D | N | SER- 220 | 3.15 | 127.23 | H-Bond (Protein Donor) |
| O1A | N | LEU- 222 | 2.99 | 143.9 | H-Bond (Protein Donor) |
| O1A | N | THR- 224 | 3.17 | 151.84 | H-Bond (Protein Donor) |
| C3B | CB | SER- 225 | 3.97 | 0 | Hydrophobic |
| C4B | CB | SER- 225 | 4.01 | 0 | Hydrophobic |
| C4D | CD1 | ILE- 271 | 4.05 | 0 | Hydrophobic |
| O2A | N | LYS- 273 | 2.88 | 172.8 | H-Bond (Protein Donor) |
| O1X | NZ | LYS- 273 | 2.71 | 164.58 | H-Bond (Protein Donor) |
| C3D | CB | LYS- 273 | 4.33 | 0 | Hydrophobic |
| C3B | CD | LYS- 273 | 4.23 | 0 | Hydrophobic |
| C5D | CB | LYS- 273 | 4.23 | 0 | Hydrophobic |
| O1X | NZ | LYS- 273 | 2.71 | 0 | Ionic (Protein Cationic) |
| O3X | OG | SER- 274 | 2.8 | 154.17 | H-Bond (Protein Donor) |
| O1X | N | PHE- 275 | 2.91 | 164.1 | H-Bond (Protein Donor) |
| O2X | NH2 | ARG- 279 | 2.95 | 162.68 | H-Bond (Protein Donor) |
| O3X | NH2 | ARG- 279 | 3.48 | 131.17 | H-Bond (Protein Donor) |
| O3X | NE | ARG- 279 | 2.86 | 167.35 | H-Bond (Protein Donor) |
| O2X | CZ | ARG- 279 | 3.92 | 0 | Ionic (Protein Cationic) |
| O3X | CZ | ARG- 279 | 3.6 | 0 | Ionic (Protein Cationic) |
| N6A | OE1 | GLU- 282 | 3.1 | 161.64 | H-Bond (Ligand Donor) |
| N7A | ND2 | ASN- 283 | 2.95 | 169.71 | H-Bond (Protein Donor) |
| N6A | OD1 | ASN- 283 | 2.69 | 148.05 | H-Bond (Ligand Donor) |