1.980 Å
X-ray
2014-05-29
| Name: | Circadian clock protein kinase KaiC |
|---|---|
| ID: | KAIC_SYNE7 |
| AC: | Q79PF4 |
| Organism: | Synechococcus elongatus |
| Reign: | Bacteria |
| TaxID: | 1140 |
| EC Number: | 2.7.11.1 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| B | 62 % |
| C | 38 % |
| B-Factor: | 19.046 |
|---|---|
| Number of residues: | 41 |
| Including | |
| Standard Amino Acids: | 36 |
| Non Standard Amino Acids: | 2 |
| Water Molecules: | 3 |
| Cofactors: | |
| Metals: | CL MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.178 | 492.750 |
| % Hydrophobic | % Polar |
|---|---|
| 44.52 | 55.48 |
| According to VolSite | |

| HET Code: | AGS |
|---|---|
| Formula: | C10H14N5O12P3S |
| Molecular weight: | 521.231 g/mol |
| DrugBank ID: | DB02930 |
| Buried Surface Area: | 75.87 % |
| Polar Surface area: | 329.24 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 17 |
| H-Bond Donors: | 5 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 2 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 8 |
| X | Y | Z |
|---|---|---|
| -3.92152 | 5.27719 | 22.071 |
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 | N | GLY- 49 | 3.11 | 130.56 | H-Bond (Protein Donor) |
| O1B | N | THR- 50 | 3.12 | 125.66 | H-Bond (Protein Donor) |
| O1B | N | GLY- 51 | 3.18 | 140.99 | H-Bond (Protein Donor) |
| O3A | N | GLY- 51 | 3.24 | 136.97 | H-Bond (Protein Donor) |
| O1B | N | LYS- 52 | 3.02 | 151.76 | H-Bond (Protein Donor) |
| O1B | NZ | LYS- 52 | 2.77 | 166.46 | H-Bond (Protein Donor) |
| O1B | NZ | LYS- 52 | 2.77 | 0 | Ionic (Protein Cationic) |
| O2B | N | THR- 53 | 2.99 | 160.26 | H-Bond (Protein Donor) |
| O1A | N | LEU- 54 | 2.76 | 154.12 | H-Bond (Protein Donor) |
| N7 | OG | SER- 89 | 2.77 | 161.98 | H-Bond (Protein Donor) |
| N6 | OG | SER- 89 | 2.71 | 163.76 | H-Bond (Ligand Donor) |
| O3' | N | LEU- 225 | 3.05 | 139.26 | H-Bond (Protein Donor) |
| O2G | NH2 | ARG- 226 | 3.42 | 144.65 | H-Bond (Protein Donor) |
| O3G | NH2 | ARG- 226 | 2.97 | 131.2 | H-Bond (Protein Donor) |
| O3G | NE | ARG- 226 | 2.74 | 142.38 | H-Bond (Protein Donor) |
| O3G | CZ | ARG- 226 | 3.24 | 0 | Ionic (Protein Cationic) |
| O2' | NE2 | HIS- 230 | 2.77 | 153.74 | H-Bond (Ligand Donor) |
| C4' | CD1 | ILE- 239 | 4.35 | 0 | Hydrophobic |
| C1' | CG2 | ILE- 239 | 3.79 | 0 | Hydrophobic |
| N6 | OD1 | ASP- 241 | 3.02 | 167.54 | H-Bond (Ligand Donor) |
| O2G | MG | MG- 301 | 1.96 | 0 | Metal Acceptor |
| O2B | MG | MG- 301 | 2.04 | 0 | Metal Acceptor |
| O3' | O | HOH- 438 | 2.78 | 163.67 | H-Bond (Ligand Donor) |
| O2' | O | HOH- 473 | 2.76 | 179.97 | H-Bond (Protein Donor) |