2.800 Å
X-ray
2007-09-05
| Name: | Maltose/maltodextrin import ATP-binding protein MalK |
|---|---|
| ID: | MALK_ECOLI |
| AC: | P68187 |
| Organism: | Escherichia coli |
| Reign: | Bacteria |
| TaxID: | 83333 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 58 % |
| B | 42 % |
| B-Factor: | 64.015 |
|---|---|
| Number of residues: | 36 |
| Including | |
| Standard Amino Acids: | 36 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.257 | 519.750 |
| % Hydrophobic | % Polar |
|---|---|
| 41.56 | 58.44 |
| According to VolSite | |

| HET Code: | ATP |
|---|---|
| Formula: | C10H12N5O13P3 |
| Molecular weight: | 503.149 g/mol |
| DrugBank ID: | DB00171 |
| Buried Surface Area: | 71.58 % |
| 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 |
|---|---|---|
| -20.0261 | 2.22955 | 10.5534 |
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 |
| C4' | CG2 | VAL- 18 | 3.36 | 0 | Hydrophobic |
| O1G | OG | SER- 38 | 2.99 | 165.85 | H-Bond (Protein Donor) |
| O1G | N | GLY- 39 | 2.69 | 124.89 | H-Bond (Protein Donor) |
| O3' | O | GLY- 39 | 2.69 | 167.27 | H-Bond (Ligand Donor) |
| O2B | N | GLY- 41 | 3.19 | 155.78 | H-Bond (Protein Donor) |
| O2G | NZ | LYS- 42 | 3 | 148.22 | H-Bond (Protein Donor) |
| O2B | N | LYS- 42 | 2.94 | 167.41 | H-Bond (Protein Donor) |
| O2B | NZ | LYS- 42 | 2.85 | 136.32 | H-Bond (Protein Donor) |
| O2G | NZ | LYS- 42 | 3 | 0 | Ionic (Protein Cationic) |
| O2B | NZ | LYS- 42 | 2.85 | 0 | Ionic (Protein Cationic) |
| O3A | N | SER- 43 | 3.01 | 152.05 | H-Bond (Protein Donor) |
| O2A | N | THR- 44 | 2.64 | 131.52 | H-Bond (Protein Donor) |
| O3G | NE2 | GLN- 82 | 2.83 | 133.74 | H-Bond (Protein Donor) |
| O2' | NH2 | ARG- 129 | 3.47 | 125.72 | H-Bond (Protein Donor) |
| O2' | NH1 | ARG- 129 | 2.63 | 175.14 | H-Bond (Protein Donor) |
| O1G | OG | SER- 135 | 2.63 | 151.37 | H-Bond (Protein Donor) |
| O3G | OG | SER- 135 | 3.41 | 140.18 | H-Bond (Protein Donor) |
| C3' | CB | SER- 135 | 3.77 | 0 | Hydrophobic |
| O3G | N | GLY- 137 | 2.75 | 161.22 | H-Bond (Protein Donor) |
| O2' | NE2 | GLN- 138 | 3.33 | 128.81 | H-Bond (Protein Donor) |
| O2' | OE1 | GLN- 138 | 2.74 | 155.87 | H-Bond (Ligand Donor) |
| O2G | NE2 | HIS- 192 | 2.8 | 150.84 | H-Bond (Protein Donor) |