1.600 Å
X-ray
2011-04-01
| Name: | Streptavidin |
|---|---|
| ID: | SAV_STRAV |
| AC: | P22629 |
| Organism: | Streptomyces avidinii |
| Reign: | Bacteria |
| TaxID: | 1895 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 18.833 |
|---|---|
| Number of residues: | 29 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.888 | 391.500 |
| % Hydrophobic | % Polar |
|---|---|
| 51.72 | 48.28 |
| According to VolSite | |

| HET Code: | DTB |
|---|---|
| Formula: | C10H17N2O3 |
| Molecular weight: | 213.254 g/mol |
| DrugBank ID: | DB03775 |
| Buried Surface Area: | 67.94 % |
| Polar Surface area: | 81.25 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 3 |
| H-Bond Donors: | 2 |
| Rings: | 1 |
| Aromatic rings: | 0 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| 17.7265 | 26.8603 | -11.0281 |
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 |
| O | ND2 | ASN- 23 | 3 | 145.86 | H-Bond (Protein Donor) |
| O | OG | SER- 27 | 2.7 | 152.02 | H-Bond (Protein Donor) |
| O | OH | TYR- 43 | 2.7 | 167.25 | H-Bond (Protein Donor) |
| N2 | OG | SER- 45 | 3.02 | 152.82 | H-Bond (Ligand Donor) |
| CD | CB | SER- 45 | 4.34 | 0 | Hydrophobic |
| CD | CG2 | VAL- 47 | 4.31 | 0 | Hydrophobic |
| CA | CB | ASN- 49 | 4.45 | 0 | Hydrophobic |
| OI2 | N | ASN- 49 | 2.78 | 169.17 | H-Bond (Protein Donor) |
| CB | CB | ALA- 50 | 4.01 | 0 | Hydrophobic |
| CG | CE2 | TRP- 79 | 3.62 | 0 | Hydrophobic |
| CE | CZ2 | TRP- 79 | 3.88 | 0 | Hydrophobic |
| CB | CD2 | TRP- 79 | 3.7 | 0 | Hydrophobic |
| CA | CB | ALA- 86 | 3.79 | 0 | Hydrophobic |
| OI1 | OG | SER- 88 | 2.84 | 164.18 | H-Bond (Protein Donor) |
| CT | CZ2 | TRP- 92 | 4.08 | 0 | Hydrophobic |
| CT | CG2 | VAL- 108 | 3.73 | 0 | Hydrophobic |
| N1 | OD2 | ASP- 128 | 2.87 | 160.96 | H-Bond (Ligand Donor) |