1.940 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 |
|---|---|
| A | 39 % |
| F | 61 % |
| B-Factor: | 26.574 |
|---|---|
| Number of residues: | 41 |
| Including | |
| Standard Amino Acids: | 37 |
| Non Standard Amino Acids: | 2 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | CL MG |
| Ligandability | Volume (Å3) |
|---|---|
| 0.529 | 600.750 |
| % Hydrophobic | % Polar |
|---|---|
| 45.51 | 54.49 |
| According to VolSite | |

| HET Code: | ATP |
|---|---|
| Formula: | C10H12N5O13P3 |
| Molecular weight: | 503.149 g/mol |
| DrugBank ID: | DB00171 |
| Buried Surface Area: | 76.16 % |
| 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 |
|---|---|---|
| -58.7925 | 18.3585 | -41.5829 |
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 | 2.71 | 146.81 | H-Bond (Protein Donor) |
| O1B | N | GLY- 49 | 3.49 | 123.06 | H-Bond (Protein Donor) |
| O3B | N | GLY- 49 | 3.21 | 140.46 | H-Bond (Protein Donor) |
| O1B | N | GLY- 51 | 3.01 | 144.76 | H-Bond (Protein Donor) |
| O3A | N | GLY- 51 | 3.42 | 132.89 | H-Bond (Protein Donor) |
| O3G | NZ | LYS- 52 | 2.62 | 152.38 | H-Bond (Protein Donor) |
| O1B | N | LYS- 52 | 2.93 | 155.96 | H-Bond (Protein Donor) |
| O1B | NZ | LYS- 52 | 2.99 | 151.28 | H-Bond (Protein Donor) |
| O3G | NZ | LYS- 52 | 2.62 | 0 | Ionic (Protein Cationic) |
| O1B | NZ | LYS- 52 | 2.99 | 0 | Ionic (Protein Cationic) |
| O2B | N | THR- 53 | 2.92 | 166.51 | H-Bond (Protein Donor) |
| O2A | N | LEU- 54 | 2.81 | 138.29 | H-Bond (Protein Donor) |
| N7 | OG | SER- 89 | 2.68 | 148.97 | H-Bond (Protein Donor) |
| N6 | O | SER- 89 | 3.43 | 120.72 | H-Bond (Ligand Donor) |
| N6 | OG | SER- 89 | 2.93 | 162.12 | H-Bond (Ligand Donor) |
| O3' | N | LEU- 225 | 3.25 | 137.2 | H-Bond (Protein Donor) |
| O2G | CZ | ARG- 226 | 4 | 0 | Ionic (Protein Cationic) |
| O2G | NH2 | ARG- 226 | 3.26 | 159.81 | H-Bond (Protein Donor) |
| O2' | NE2 | HIS- 230 | 2.87 | 162.97 | H-Bond (Ligand Donor) |
| C4' | CD1 | ILE- 239 | 4.38 | 0 | Hydrophobic |
| C1' | CG2 | ILE- 239 | 3.95 | 0 | Hydrophobic |
| N6 | OD1 | ASP- 241 | 2.98 | 172.04 | H-Bond (Ligand Donor) |
| O2G | MG | MG- 302 | 2.05 | 0 | Metal Acceptor |
| O2B | MG | MG- 302 | 2.04 | 0 | Metal Acceptor |
| O3' | O | HOH- 408 | 2.68 | 159.6 | H-Bond (Ligand Donor) |
| N3 | O | HOH- 428 | 3.07 | 155.35 | H-Bond (Protein Donor) |