1.200 Å
X-ray
2005-03-08
| Name: | Inositol-tetrakisphosphate 1-kinase |
|---|---|
| ID: | ITPK1_ENTHI |
| AC: | Q9XYQ1 |
| Organism: | Entamoeba histolytica |
| Reign: | Eukaryota |
| TaxID: | 5759 |
| EC Number: | 2.7.1.134 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| X | 100 % |
| B-Factor: | 10.200 |
|---|---|
| Number of residues: | 35 |
| Including | |
| Standard Amino Acids: | 31 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 3 |
| Cofactors: | |
| Metals: | MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.057 | 411.750 |
| % Hydrophobic | % Polar |
|---|---|
| 41.80 | 58.20 |
| According to VolSite | |

| HET Code: | ADP |
|---|---|
| Formula: | C10H12N5O10P2 |
| Molecular weight: | 424.177 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 79 % |
| Polar Surface area: | 260.7 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 14 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 3 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| 19.6582 | 2.95878 | 5.02852 |
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 |
| O1A | CZ | ARG- 94 | 3.43 | 0 | Ionic (Protein Cationic) |
| O1A | NH2 | ARG- 94 | 3 | 138.73 | H-Bond (Protein Donor) |
| O1A | NH1 | ARG- 94 | 3.05 | 136.69 | H-Bond (Protein Donor) |
| O3A | NH2 | ARG- 94 | 3.14 | 145.15 | H-Bond (Protein Donor) |
| O1A | NZ | LYS- 136 | 2.81 | 166.23 | H-Bond (Protein Donor) |
| N7 | NZ | LYS- 136 | 2.9 | 140.86 | H-Bond (Protein Donor) |
| O1A | NZ | LYS- 136 | 2.81 | 0 | Ionic (Protein Cationic) |
| C5' | CE | MET- 149 | 4.19 | 0 | Hydrophobic |
| N6 | OE1 | GLN- 168 | 2.94 | 171 | H-Bond (Ligand Donor) |
| N6 | O | HIS- 169 | 3 | 150.25 | H-Bond (Ligand Donor) |
| N1 | N | ILE- 171 | 3.02 | 175.52 | H-Bond (Protein Donor) |
| C2' | CD1 | ILE- 177 | 3.95 | 0 | Hydrophobic |
| O2' | OG | SER- 194 | 2.62 | 159.49 | H-Bond (Ligand Donor) |
| C2' | CG | LEU- 195 | 4.37 | 0 | Hydrophobic |
| C1' | CD1 | LEU- 195 | 3.52 | 0 | Hydrophobic |
| C4' | CZ | PHE- 208 | 4.36 | 0 | Hydrophobic |
| O1B | ND2 | ASN- 210 | 3.25 | 124.65 | H-Bond (Protein Donor) |
| C5' | CB | ASN- 210 | 4.13 | 0 | Hydrophobic |
| O3B | MG | MG- 1295 | 2.09 | 0 | Metal Acceptor |
| O2A | MG | MG- 1295 | 2.23 | 0 | Metal Acceptor |
| O2B | O | HOH- 1393 | 2.99 | 157.56 | H-Bond (Protein Donor) |