1.540 Å
X-ray
2014-06-18
| Name: | Psp operon transcriptional activator |
|---|---|
| ID: | PSPF_ECOLI |
| AC: | P37344 |
| Organism: | Escherichia coli |
| Reign: | Bacteria |
| TaxID: | 83333 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 26.131 |
|---|---|
| Number of residues: | 32 |
| Including | |
| Standard Amino Acids: | 30 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.674 | 398.250 |
| % Hydrophobic | % Polar |
|---|---|
| 63.56 | 36.44 |
| According to VolSite | |

| HET Code: | ATP |
|---|---|
| Formula: | C10H12N5O13P3 |
| Molecular weight: | 503.149 g/mol |
| DrugBank ID: | DB00171 |
| Buried Surface Area: | 58.88 % |
| Polar Surface area: | 319.88 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 17 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 4 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 8 |
| X | Y | Z |
|---|---|---|
| 10.4391 | -35.8155 | -1.85771 |
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 |
| N6 | O | LEU- 9 | 3.15 | 123.52 | H-Bond (Ligand Donor) |
| O3B | N | GLY- 39 | 2.83 | 159.86 | H-Bond (Protein Donor) |
| O2B | N | THR- 40 | 3.17 | 130.67 | H-Bond (Protein Donor) |
| O2B | N | GLY- 41 | 3.14 | 130.33 | H-Bond (Protein Donor) |
| O3A | N | GLY- 41 | 2.92 | 139.05 | H-Bond (Protein Donor) |
| O1G | NZ | LYS- 42 | 3.11 | 130.37 | H-Bond (Protein Donor) |
| O2B | N | LYS- 42 | 3.08 | 172.65 | H-Bond (Protein Donor) |
| O2B | NZ | LYS- 42 | 2.98 | 164.93 | H-Bond (Protein Donor) |
| O1G | NZ | LYS- 42 | 3.11 | 0 | Ionic (Protein Cationic) |
| O2B | NZ | LYS- 42 | 2.98 | 0 | Ionic (Protein Cationic) |
| O1B | N | GLU- 43 | 3.45 | 161.82 | H-Bond (Protein Donor) |
| C2' | CD1 | LEU- 44 | 4.22 | 0 | Hydrophobic |
| C1' | CG2 | ILE- 226 | 3.46 | 0 | Hydrophobic |
| O2G | NH2 | ARG- 227 | 3.31 | 158.73 | H-Bond (Protein Donor) |
| O3G | NH1 | ARG- 227 | 3.07 | 147.29 | H-Bond (Protein Donor) |
| O3G | CZ | ARG- 227 | 3.86 | 0 | Ionic (Protein Cationic) |
| C4' | CB | ARG- 227 | 3.85 | 0 | Hydrophobic |
| O2G | MG | MG- 302 | 2.58 | 0 | Metal Acceptor |
| O1B | MG | MG- 302 | 2.67 | 0 | Metal Acceptor |