2.850 Å
X-ray
2013-04-13
| Name: | Sensor histidine kinase CpxA |
|---|---|
| ID: | CPXA_ECOLI |
| AC: | P0AE82 |
| Organism: | Escherichia coli |
| Reign: | Bacteria |
| TaxID: | 83333 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 5 % |
| B | 95 % |
| B-Factor: | 99.999 |
|---|---|
| Number of residues: | 41 |
| Including | |
| Standard Amino Acids: | 40 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.836 | 462.375 |
| % Hydrophobic | % Polar |
|---|---|
| 52.55 | 47.45 |
| According to VolSite | |

| HET Code: | ANP |
|---|---|
| Formula: | C10H13N6O12P3 |
| Molecular weight: | 502.164 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 77.54 % |
| Polar Surface area: | 322.68 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 16 |
| H-Bond Donors: | 4 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 4 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 8 |
| X | Y | Z |
|---|---|---|
| 30.3974 | -50.1825 | -8.10103 |
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 |
| O1G | NE2 | HIS- 248 | 2.69 | 151.71 | H-Bond (Protein Donor) |
| O3G | NE2 | HIS- 248 | 3.49 | 132.02 | H-Bond (Protein Donor) |
| O3G | CZ | ARG- 251 | 3.41 | 0 | Ionic (Protein Cationic) |
| O2A | ND2 | ASN- 360 | 2.93 | 135.97 | H-Bond (Protein Donor) |
| O1B | OH | TYR- 364 | 2.82 | 171.67 | H-Bond (Protein Donor) |
| C2' | CZ | TYR- 364 | 3.83 | 0 | Hydrophobic |
| N6 | OD2 | ASP- 386 | 3.14 | 155.01 | H-Bond (Ligand Donor) |
| C1' | CG2 | VAL- 391 | 4.16 | 0 | Hydrophobic |
| C4' | CG2 | ILE- 399 | 4.32 | 0 | Hydrophobic |
| C1' | CG2 | ILE- 399 | 4.15 | 0 | Hydrophobic |
| O2B | CZ | ARG- 405 | 3.22 | 0 | Ionic (Protein Cationic) |
| O2' | N | THR- 406 | 3.46 | 159.92 | H-Bond (Protein Donor) |
| C2' | CB | ALA- 409 | 4.1 | 0 | Hydrophobic |
| O1G | OG1 | THR- 417 | 3.1 | 165.2 | H-Bond (Protein Donor) |
| O3G | OG1 | THR- 417 | 3.37 | 129.47 | H-Bond (Protein Donor) |
| N3B | O | THR- 417 | 3.09 | 158.8 | H-Bond (Ligand Donor) |
| O1G | N | LEU- 419 | 3.13 | 141.84 | H-Bond (Protein Donor) |
| O1G | N | GLY- 420 | 3.27 | 154.84 | H-Bond (Protein Donor) |
| O2G | N | GLY- 420 | 3.48 | 121.37 | H-Bond (Protein Donor) |
| O1A | N | LEU- 421 | 2.77 | 170.97 | H-Bond (Protein Donor) |
| C5' | CD1 | LEU- 421 | 4.29 | 0 | Hydrophobic |
| O2G | MG | MG- 502 | 2.21 | 0 | Metal Acceptor |