0.960 Å
X-ray
2002-05-23
| Name: | Streptavidin |
|---|---|
| ID: | SAV_STRAV |
| AC: | P22629 |
| Organism: | Streptomyces avidinii |
| Reign: | Bacteria |
| TaxID: | 1895 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 11.252 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 28 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.940 | 297.000 |
| % Hydrophobic | % Polar |
|---|---|
| 65.91 | 34.09 |
| According to VolSite | |

| HET Code: | BTN |
|---|---|
| Formula: | C10H15N2O3S |
| Molecular weight: | 243.303 g/mol |
| DrugBank ID: | DB00121 |
| Buried Surface Area: | 76.57 % |
| Polar Surface area: | 106.55 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 4 |
| H-Bond Donors: | 2 |
| Rings: | 2 |
| Aromatic rings: | 0 |
| Anionic atoms: | 1 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 5 |
| X | Y | Z |
|---|---|---|
| 9.70081 | 27.9099 | 4.053 |
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 |
| O3 | ND2 | ASN- 2023 | 2.93 | 146.55 | H-Bond (Protein Donor) |
| O3 | OG | SER- 2027 | 2.67 | 155.24 | H-Bond (Protein Donor) |
| O3 | OH | TYR- 2043 | 2.76 | 171.09 | H-Bond (Protein Donor) |
| C7 | CB | ALA- 2045 | 4.2 | 0 | Hydrophobic |
| O11 | N | ASN- 2049 | 2.85 | 166.23 | H-Bond (Protein Donor) |
| C9 | CB | ALA- 2050 | 3.94 | 0 | Hydrophobic |
| C10 | CD2 | TRP- 2079 | 3.54 | 0 | Hydrophobic |
| S1 | CZ2 | TRP- 2079 | 3.67 | 0 | Hydrophobic |
| C9 | CE2 | TRP- 2079 | 3.72 | 0 | Hydrophobic |
| C7 | CZ2 | TRP- 2079 | 3.97 | 0 | Hydrophobic |
| C10 | CB | ALA- 2086 | 4.27 | 0 | Hydrophobic |
| O12 | OG | SER- 2088 | 2.86 | 176.1 | H-Bond (Protein Donor) |
| S1 | CG2 | THR- 2090 | 3.82 | 0 | Hydrophobic |
| S1 | CZ2 | TRP- 2092 | 3.73 | 0 | Hydrophobic |
| C6 | CE2 | TRP- 2108 | 3.34 | 0 | Hydrophobic |
| C8 | CD2 | LEU- 2110 | 3.78 | 0 | Hydrophobic |
| C2 | CD2 | LEU- 2110 | 4.08 | 0 | Hydrophobic |
| N1 | OD2 | ASP- 2128 | 2.77 | 176.39 | H-Bond (Ligand Donor) |