1.700 Å
X-ray
2010-05-05
| 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: | 12.293 |
|---|---|
| Number of residues: | 27 |
| Including | |
| Standard Amino Acids: | 24 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | FE |
| Ligandability | Volume (Å3) |
|---|---|
| 0.449 | 1015.875 |
| % Hydrophobic | % Polar |
|---|---|
| 38.54 | 61.46 |
| According to VolSite | |

| HET Code: | BHN |
|---|---|
| Formula: | C20H23N2O6 |
| Molecular weight: | 387.406 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 57.33 % |
| 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 |
|---|---|---|
| 35.1969 | 22.1377 | 21.396 |
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 |
| C19 | CD2 | TYR- 22 | 4.04 | 0 | Hydrophobic |
| C21 | SD | MET- 27 | 4.02 | 0 | Hydrophobic |
| C17 | SD | MET- 27 | 4.23 | 0 | Hydrophobic |
| O21 | NH1 | ARG- 97 | 2.89 | 142.74 | H-Bond (Protein Donor) |
| O21 | NH2 | ARG- 97 | 2.8 | 147.37 | H-Bond (Protein Donor) |
| O21 | CZ | ARG- 97 | 3.28 | 0 | Ionic (Protein Cationic) |
| C9 | CD2 | TRP- 100 | 3.74 | 0 | Hydrophobic |
| C10 | CE3 | TRP- 100 | 3.48 | 0 | Hydrophobic |
| C19 | CE2 | TRP- 100 | 4.18 | 0 | Hydrophobic |
| C21 | CH2 | TRP- 100 | 3.94 | 0 | Hydrophobic |
| O22 | NE | ARG- 137 | 3.48 | 138.6 | H-Bond (Protein Donor) |
| O22 | NH2 | ARG- 137 | 2.97 | 167.03 | H-Bond (Protein Donor) |
| O23 | NE | ARG- 137 | 2.89 | 156.28 | H-Bond (Protein Donor) |
| O22 | CZ | ARG- 137 | 3.67 | 0 | Ionic (Protein Cationic) |
| O23 | CZ | ARG- 137 | 3.78 | 0 | Ionic (Protein Cationic) |
| C12 | CE2 | TRP- 398 | 3.42 | 0 | Hydrophobic |
| C9 | CH2 | TRP- 398 | 3.71 | 0 | Hydrophobic |
| C14 | CB | TRP- 398 | 3.58 | 0 | Hydrophobic |
| C21 | CE2 | TYR- 402 | 4.15 | 0 | Hydrophobic |
| C16 | CG2 | THR- 490 | 3.22 | 0 | Hydrophobic |
| O6 | FE | FE- 506 | 1.88 | 0 | Metal Acceptor |
| O18 | FE | FE- 506 | 2.78 | 0 | Metal Acceptor |
| O20 | FE | FE- 506 | 2.22 | 0 | Metal Acceptor |
| O22 | FE | FE- 506 | 2.13 | 0 | Metal Acceptor |