1.140 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 | 11 % |
| C | 89 % |
| B-Factor: | 13.834 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 27 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 1.050 | 361.125 |
| % Hydrophobic | % Polar |
|---|---|
| 61.68 | 38.32 |
| According to VolSite | |

| HET Code: | BNI |
|---|---|
| Formula: | C16H20N4O4S |
| Molecular weight: | 364.419 g/mol |
| DrugBank ID: | DB03549 |
| Buried Surface Area: | 55.55 % |
| 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 |
|---|---|---|
| -0.73724 | -2.24964 | 3.29956 |
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- 23 | 2.94 | 153.7 | H-Bond (Protein Donor) |
| O3 | OG | SER- 27 | 2.68 | 161.69 | H-Bond (Protein Donor) |
| O3 | OH | TYR- 43 | 2.69 | 173.24 | H-Bond (Protein Donor) |
| C10 | CD2 | TRP- 79 | 3.61 | 0 | Hydrophobic |
| S1 | CZ2 | TRP- 79 | 3.66 | 0 | Hydrophobic |
| C8 | CE2 | TRP- 79 | 3.73 | 0 | Hydrophobic |
| C7 | CZ2 | TRP- 79 | 3.85 | 0 | Hydrophobic |
| C10 | CB | ALA- 86 | 4.14 | 0 | Hydrophobic |
| O2 | OG | SER- 88 | 2.7 | 179.23 | H-Bond (Protein Donor) |
| S1 | CG2 | THR- 90 | 3.75 | 0 | Hydrophobic |
| S1 | CZ2 | TRP- 92 | 3.73 | 0 | Hydrophobic |
| C6 | CE2 | TRP- 108 | 3.3 | 0 | Hydrophobic |
| C8 | CD2 | LEU- 110 | 3.76 | 0 | Hydrophobic |
| C20 | CD2 | LEU- 110 | 3.82 | 0 | Hydrophobic |
| C2 | CD2 | LEU- 110 | 4.23 | 0 | Hydrophobic |
| C8 | CH2 | TRP- 120 | 4.19 | 0 | Hydrophobic |
| C2 | CZ3 | TRP- 120 | 3.58 | 0 | Hydrophobic |
| C23 | CD | LYS- 121 | 3.89 | 0 | Hydrophobic |
| O27 | NZ | LYS- 121 | 3.5 | 0 | Ionic (Protein Cationic) |
| C21 | CD1 | LEU- 124 | 3.73 | 0 | Hydrophobic |
| N1 | OD2 | ASP- 128 | 2.79 | 173.41 | H-Bond (Ligand Donor) |