2.000 Å
X-ray
1998-09-19
| Name: | Cytidylate kinase |
|---|---|
| ID: | KCY_ECOLI |
| AC: | P0A6I0 |
| Organism: | Escherichia coli |
| Reign: | Bacteria |
| TaxID: | 83333 |
| EC Number: | 2.7.4.25 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 29.958 |
|---|---|
| Number of residues: | 37 |
| Including | |
| Standard Amino Acids: | 33 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 4 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.447 | 1066.500 |
| % Hydrophobic | % Polar |
|---|---|
| 29.75 | 70.25 |
| According to VolSite | |

| HET Code: | CDP |
|---|---|
| Formula: | C9H12N3O11P2 |
| Molecular weight: | 400.153 g/mol |
| DrugBank ID: | DB04555 |
| Buried Surface Area: | 65.17 % |
| Polar Surface area: | 249.77 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 13 |
| H-Bond Donors: | 3 |
| Rings: | 2 |
| Aromatic rings: | 0 |
| Anionic atoms: | 3 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 1 |
| Rotatable Bonds: | 6 |
| X | Y | Z |
|---|---|---|
| 59.6169 | 55.9581 | 21.9874 |
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 |
| O3B | OG | SER- 14 | 2.62 | 141.75 | H-Bond (Protein Donor) |
| O2B | OG | SER- 14 | 3.48 | 139.34 | H-Bond (Protein Donor) |
| N4 | OG | SER- 36 | 2.64 | 140.89 | H-Bond (Ligand Donor) |
| O3A | NE | ARG- 41 | 3.41 | 124.56 | H-Bond (Protein Donor) |
| O2A | NE | ARG- 41 | 3.16 | 158.94 | H-Bond (Protein Donor) |
| O2A | CZ | ARG- 41 | 3.98 | 0 | Ionic (Protein Cationic) |
| C4' | CB | ALA- 100 | 4.07 | 0 | Hydrophobic |
| C1' | CB | ALA- 104 | 4.07 | 0 | Hydrophobic |
| O2 | NH1 | ARG- 110 | 2.84 | 177.72 | H-Bond (Protein Donor) |
| N3 | NH2 | ARG- 110 | 3.21 | 165.34 | H-Bond (Protein Donor) |
| O3B | CZ | ARG- 131 | 3.8 | 0 | Ionic (Protein Cationic) |
| O1A | CZ | ARG- 131 | 3.13 | 0 | Ionic (Protein Cationic) |
| O3B | NH2 | ARG- 131 | 2.62 | 125.57 | H-Bond (Protein Donor) |
| O1A | NH2 | ARG- 131 | 2.8 | 131.36 | H-Bond (Protein Donor) |
| O1A | NH1 | ARG- 131 | 2.67 | 136.8 | H-Bond (Protein Donor) |
| C2' | CG | ARG- 131 | 4.09 | 0 | Hydrophobic |
| N4 | OD1 | ASP- 132 | 3 | 170.19 | H-Bond (Ligand Donor) |
| O2' | OD1 | ASP- 185 | 2.66 | 136.25 | H-Bond (Ligand Donor) |
| O2' | NH1 | ARG- 188 | 3.22 | 146.2 | H-Bond (Protein Donor) |
| O2 | NH2 | ARG- 188 | 3.18 | 123.2 | H-Bond (Protein Donor) |
| O2 | NH1 | ARG- 188 | 3.06 | 125.64 | H-Bond (Protein Donor) |