2.900 Å
X-ray
2003-12-18
| 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: | 35.747 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 28 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.799 | 320.625 |
| % Hydrophobic | % Polar |
|---|---|
| 61.05 | 38.95 |
| According to VolSite | |

| HET Code: | BNI |
|---|---|
| Formula: | C16H20N4O4S |
| Molecular weight: | 364.419 g/mol |
| DrugBank ID: | DB03549 |
| Buried Surface Area: | 64.53 % |
| Polar Surface area: | 141.35 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 5 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 1 |
| Anionic atoms: | 1 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 7 |
| X | Y | Z |
|---|---|---|
| 35.223 | 37.9918 | 6.52432 |
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- 223 | 2.64 | 144.15 | H-Bond (Protein Donor) |
| O3 | OG | SER- 227 | 2.93 | 137.88 | H-Bond (Protein Donor) |
| C7 | CB | SER- 245 | 3.87 | 0 | Hydrophobic |
| N2 | OG | SER- 245 | 3.23 | 163.12 | H-Bond (Ligand Donor) |
| C7 | CG2 | VAL- 247 | 3.77 | 0 | Hydrophobic |
| O2 | N | ASN- 249 | 3.35 | 122.07 | H-Bond (Protein Donor) |
| C9 | CB | ALA- 250 | 4.2 | 0 | Hydrophobic |
| C10 | CD2 | TRP- 279 | 3.42 | 0 | Hydrophobic |
| C9 | CE2 | TRP- 279 | 4.14 | 0 | Hydrophobic |
| S1 | CZ2 | TRP- 279 | 3.56 | 0 | Hydrophobic |
| C7 | CZ2 | TRP- 279 | 3.99 | 0 | Hydrophobic |
| C20 | CB | ALA- 286 | 4.41 | 0 | Hydrophobic |
| C20 | CB | SER- 288 | 4.08 | 0 | Hydrophobic |
| S1 | CG2 | THR- 290 | 3.98 | 0 | Hydrophobic |
| S1 | CZ2 | TRP- 292 | 3.82 | 0 | Hydrophobic |
| C6 | CE2 | TRP- 308 | 3.5 | 0 | Hydrophobic |
| C8 | CD1 | LEU- 310 | 4.09 | 0 | Hydrophobic |
| C24 | CD1 | LEU- 310 | 3.89 | 0 | Hydrophobic |
| C21 | CB | SER- 312 | 4.06 | 0 | Hydrophobic |
| C23 | CD | ARG- 324 | 4.17 | 0 | Hydrophobic |
| O27 | CZ | ARG- 324 | 3.03 | 0 | Ionic (Protein Cationic) |
| N1 | OD2 | ASP- 328 | 2.69 | 153.26 | H-Bond (Ligand Donor) |