1.760 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 | 61 % |
| C | 39 % |
| B-Factor: | 17.495 |
|---|---|
| Number of residues: | 43 |
| Including | |
| Standard Amino Acids: | 37 |
| Non Standard Amino Acids: | 2 |
| Water Molecules: | 4 |
| Cofactors: | |
| Metals: | CL MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.103 | 489.375 |
| % Hydrophobic | % Polar |
|---|---|
| 36.55 | 63.45 |
| According to VolSite | |

| HET Code: | ANP |
|---|---|
| Formula: | C10H13N6O12P3 |
| Molecular weight: | 502.164 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 74.74 % |
| Polar Surface area: | 322.68 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 16 |
| H-Bond Donors: | 4 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 4 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 8 |
| X | Y | Z |
|---|---|---|
| -9.24839 | -5.96661 | 28.9959 |
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 |
| O1G | OG | SER- 48 | 2.93 | 142.09 | H-Bond (Protein Donor) |
| O1B | N | THR- 50 | 3.04 | 120.48 | H-Bond (Protein Donor) |
| O1B | N | GLY- 51 | 3.07 | 144.38 | H-Bond (Protein Donor) |
| O3A | N | GLY- 51 | 3.28 | 136.61 | H-Bond (Protein Donor) |
| O2G | NZ | LYS- 52 | 2.92 | 155.52 | H-Bond (Protein Donor) |
| O1B | N | LYS- 52 | 3.08 | 158.45 | H-Bond (Protein Donor) |
| O1B | NZ | LYS- 52 | 2.86 | 150.6 | H-Bond (Protein Donor) |
| O2G | NZ | LYS- 52 | 2.92 | 0 | Ionic (Protein Cationic) |
| O1B | NZ | LYS- 52 | 2.86 | 0 | Ionic (Protein Cationic) |
| O2B | N | THR- 53 | 2.93 | 164.76 | H-Bond (Protein Donor) |
| O2A | N | LEU- 54 | 2.82 | 159.8 | H-Bond (Protein Donor) |
| N7 | OG | SER- 89 | 2.84 | 156.5 | H-Bond (Protein Donor) |
| N6 | OG | SER- 89 | 2.86 | 160.09 | H-Bond (Ligand Donor) |
| O3' | N | LEU- 225 | 3.16 | 140.05 | H-Bond (Protein Donor) |
| O1G | CZ | ARG- 226 | 3.82 | 0 | Ionic (Protein Cationic) |
| O1G | NH2 | ARG- 226 | 3.12 | 132.64 | H-Bond (Protein Donor) |
| O3G | NH2 | ARG- 226 | 3.23 | 161.13 | H-Bond (Protein Donor) |
| O2' | NE2 | HIS- 230 | 2.8 | 166.73 | H-Bond (Ligand Donor) |
| C4' | CD1 | ILE- 239 | 4.25 | 0 | Hydrophobic |
| C1' | CG2 | ILE- 239 | 3.93 | 0 | Hydrophobic |
| N6 | OD1 | ASP- 241 | 2.99 | 169.57 | H-Bond (Ligand Donor) |
| O3G | MG | MG- 302 | 1.98 | 0 | Metal Acceptor |
| O2B | MG | MG- 302 | 2.04 | 0 | Metal Acceptor |
| N3 | O | HOH- 442 | 2.95 | 158.91 | H-Bond (Protein Donor) |
| O3' | O | HOH- 477 | 2.74 | 159.27 | H-Bond (Ligand Donor) |