1.800 Å
X-ray
2010-05-12
| Name: | Nickel-binding periplasmic protein |
|---|---|
| ID: | NIKA_ECOLI |
| AC: | P33590 |
| Organism: | Escherichia coli |
| Reign: | Bacteria |
| TaxID: | 83333 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 100 % |
| B-Factor: | 23.052 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 25 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | FE |
| Ligandability | Volume (Å3) |
|---|---|
| 0.256 | 810.000 |
| % Hydrophobic | % Polar |
|---|---|
| 41.25 | 58.75 |
| According to VolSite | |

| HET Code: | BHN |
|---|---|
| Formula: | C20H23N2O6 |
| Molecular weight: | 387.406 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 52.27 % |
| Polar Surface area: | 128.4 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 7 |
| H-Bond Donors: | 3 |
| Rings: | 2 |
| Aromatic rings: | 2 |
| Anionic atoms: | 2 |
| Cationic atoms: | 1 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 11 |
| X | Y | Z |
|---|---|---|
| 36.4042 | 21.7461 | 21.1919 |
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 |
| C10 | CE2 | TYR- 22 | 4.49 | 0 | Hydrophobic |
| C12 | CD2 | TYR- 22 | 3.56 | 0 | Hydrophobic |
| C14 | CB | TYR- 22 | 3.54 | 0 | Hydrophobic |
| C17 | CB | THR- 23 | 4.22 | 0 | Hydrophobic |
| C16 | CG2 | THR- 23 | 3.49 | 0 | Hydrophobic |
| C19 | CE | MET- 27 | 4.33 | 0 | Hydrophobic |
| C5 | SD | MET- 27 | 3.62 | 0 | Hydrophobic |
| C9 | CD2 | TRP- 100 | 3.53 | 0 | Hydrophobic |
| C10 | CE2 | TRP- 100 | 3.34 | 0 | Hydrophobic |
| C19 | CH2 | TRP- 100 | 3.78 | 0 | Hydrophobic |
| O20 | NE | ARG- 137 | 2.81 | 163.09 | H-Bond (Protein Donor) |
| O21 | NE | ARG- 137 | 3.49 | 137.58 | H-Bond (Protein Donor) |
| O21 | NH2 | ARG- 137 | 2.93 | 168.97 | H-Bond (Protein Donor) |
| O20 | CZ | ARG- 137 | 3.72 | 0 | Ionic (Protein Cationic) |
| O21 | CZ | ARG- 137 | 3.66 | 0 | Ionic (Protein Cationic) |
| C7 | CD2 | TRP- 398 | 3.44 | 0 | Hydrophobic |
| C9 | CH2 | TRP- 398 | 3.73 | 0 | Hydrophobic |
| C2 | CB | TRP- 398 | 3.59 | 0 | Hydrophobic |
| C19 | CE2 | TYR- 402 | 4.09 | 0 | Hydrophobic |
| C4 | CG2 | THR- 490 | 3.44 | 0 | Hydrophobic |
| O18 | FE | FE- 503 | 1.86 | 0 | Metal Acceptor |
| O21 | FE | FE- 503 | 2.15 | 0 | Metal Acceptor |
| O23 | FE | FE- 503 | 2.13 | 0 | Metal Acceptor |