1.800 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: | 16.306 |
|---|---|
| Number of residues: | 30 |
| Including | |
| Standard Amino Acids: | 29 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 1 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.386 | 435.375 |
| % Hydrophobic | % Polar |
|---|---|
| 58.91 | 41.09 |
| According to VolSite | |

| HET Code: | ATP |
|---|---|
| Formula: | C10H12N5O13P3 |
| Molecular weight: | 503.149 g/mol |
| DrugBank ID: | DB00171 |
| Buried Surface Area: | 57.89 % |
| 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 |
|---|---|---|
| 25.6997 | 26.8279 | 0.134774 |
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 | 141.93 | H-Bond (Ligand Donor) |
| N1 | N | LEU- 9 | 3 | 162.27 | H-Bond (Protein Donor) |
| O3G | N | GLY- 39 | 3.21 | 142.53 | H-Bond (Protein Donor) |
| O3B | N | GLY- 39 | 3.1 | 147.01 | H-Bond (Protein Donor) |
| O2B | N | THR- 40 | 3.18 | 125.96 | H-Bond (Protein Donor) |
| O2B | N | GLY- 41 | 3.14 | 128.74 | H-Bond (Protein Donor) |
| O3A | N | GLY- 41 | 2.89 | 132.51 | H-Bond (Protein Donor) |
| O1G | NZ | LYS- 42 | 3.16 | 140.54 | H-Bond (Protein Donor) |
| O2B | N | LYS- 42 | 2.93 | 166.32 | H-Bond (Protein Donor) |
| O2B | NZ | LYS- 42 | 2.82 | 162.59 | H-Bond (Protein Donor) |
| O1G | NZ | LYS- 42 | 3.16 | 0 | Ionic (Protein Cationic) |
| O2B | NZ | LYS- 42 | 2.82 | 0 | Ionic (Protein Cationic) |
| O1B | N | GLU- 43 | 2.89 | 159.54 | H-Bond (Protein Donor) |
| O1A | N | LEU- 44 | 3.03 | 158.48 | H-Bond (Protein Donor) |
| C2' | CD1 | LEU- 44 | 3.91 | 0 | Hydrophobic |
| O1G | OD2 | ASP- 107 | 2.58 | 148.59 | H-Bond (Protein Donor) |
| C1' | CG2 | ILE- 226 | 3.68 | 0 | Hydrophobic |
| O2G | NH2 | ARG- 227 | 3.12 | 164.5 | H-Bond (Protein Donor) |
| O3G | NH1 | ARG- 227 | 3.02 | 174.28 | H-Bond (Protein Donor) |
| O3G | CZ | ARG- 227 | 3.86 | 0 | Ionic (Protein Cationic) |
| C4' | CB | ARG- 227 | 4.1 | 0 | Hydrophobic |