2.100 Å
X-ray
2005-12-09
| 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: | 22.512 |
|---|---|
| Number of residues: | 31 |
| Including | |
| Standard Amino Acids: | 28 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.039 | 445.500 |
| % Hydrophobic | % Polar |
|---|---|
| 50.76 | 49.24 |
| According to VolSite | |

| HET Code: | ATP |
|---|---|
| Formula: | C10H12N5O13P3 |
| Molecular weight: | 503.149 g/mol |
| DrugBank ID: | DB00171 |
| Buried Surface Area: | 57.06 % |
| 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 |
|---|---|---|
| 25.5988 | 27.0726 | 1.99919 |
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 | 2.95 | 141.37 | H-Bond (Ligand Donor) |
| N1 | N | LEU- 9 | 2.74 | 165.23 | H-Bond (Protein Donor) |
| O3G | N | GLY- 39 | 3.3 | 137.85 | H-Bond (Protein Donor) |
| O3B | N | GLY- 39 | 2.98 | 147.61 | H-Bond (Protein Donor) |
| O2B | N | THR- 40 | 3.2 | 138.27 | H-Bond (Protein Donor) |
| O2B | N | GLY- 41 | 3.35 | 123.71 | H-Bond (Protein Donor) |
| O3A | N | GLY- 41 | 2.9 | 146.21 | H-Bond (Protein Donor) |
| O2B | N | LYS- 42 | 3.08 | 160.41 | H-Bond (Protein Donor) |
| O2B | NZ | LYS- 42 | 2.66 | 158.45 | H-Bond (Protein Donor) |
| O2B | NZ | LYS- 42 | 2.66 | 0 | Ionic (Protein Cationic) |
| O1B | N | GLU- 43 | 3.09 | 167 | H-Bond (Protein Donor) |
| C2' | CD1 | LEU- 44 | 3.96 | 0 | Hydrophobic |
| C1' | CG2 | ILE- 226 | 3.97 | 0 | Hydrophobic |
| C4' | CB | ALA- 227 | 3.67 | 0 | Hydrophobic |
| O2G | MG | MG- 300 | 2.06 | 0 | Metal Acceptor |
| O2A | MG | MG- 300 | 2.17 | 0 | Metal Acceptor |
| O1G | O | HOH- 2021 | 2.73 | 165.98 | H-Bond (Protein Donor) |