2.900 Å
X-ray
2009-09-23
| 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 | 36 % |
| F | 64 % |
| B-Factor: | 47.016 |
|---|---|
| Number of residues: | 45 |
| Including | |
| Standard Amino Acids: | 43 |
| Non Standard Amino Acids: | 2 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | MG MG |
| Ligandability | Volume (Å3) |
|---|---|
| 1.073 | 1144.125 |
| % Hydrophobic | % Polar |
|---|---|
| 42.18 | 57.82 |
| According to VolSite | |

| HET Code: | ATP |
|---|---|
| Formula: | C10H12N5O13P3 |
| Molecular weight: | 503.149 g/mol |
| DrugBank ID: | DB00171 |
| Buried Surface Area: | 75.73 % |
| 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 |
|---|---|---|
| 97.896 | 86.1198 | 59.6558 |
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 |
| O1B | N | GLY- 51 | 3.17 | 138.29 | H-Bond (Protein Donor) |
| O2B | N | GLY- 51 | 3.33 | 150.44 | H-Bond (Protein Donor) |
| O1B | N | THR- 53 | 3.37 | 148.55 | H-Bond (Protein Donor) |
| O1A | N | LEU- 54 | 3.07 | 147.61 | H-Bond (Protein Donor) |
| N7 | OG | SER- 89 | 3.36 | 137.46 | H-Bond (Protein Donor) |
| N6 | OG | SER- 89 | 3.17 | 152.54 | H-Bond (Ligand Donor) |
| O1G | NZ | LYS- 224 | 3.93 | 0 | Ionic (Protein Cationic) |
| O3G | NZ | LYS- 224 | 2.88 | 0 | Ionic (Protein Cationic) |
| O3G | NZ | LYS- 224 | 2.88 | 150.19 | H-Bond (Protein Donor) |
| C3' | CB | LYS- 224 | 3.63 | 0 | Hydrophobic |
| O2G | CZ | ARG- 226 | 3.06 | 0 | Ionic (Protein Cationic) |
| O3G | NE | ARG- 226 | 3.48 | 175.59 | H-Bond (Protein Donor) |
| O2' | O | THR- 228 | 3.17 | 150.99 | H-Bond (Ligand Donor) |
| C4' | CD1 | ILE- 239 | 4.22 | 0 | Hydrophobic |
| C1' | CD1 | ILE- 239 | 4.14 | 0 | Hydrophobic |
| N6 | OD1 | ASP- 241 | 3.39 | 156.75 | H-Bond (Ligand Donor) |
| O2G | MG | MG- 701 | 2.06 | 0 | Metal Acceptor |
| O3B | MG | MG- 701 | 2.49 | 0 | Metal Acceptor |
| O1G | MG | MG- 702 | 2.06 | 0 | Metal Acceptor |
| O3G | MG | MG- 702 | 2.61 | 0 | Metal Acceptor |
| O3B | MG | MG- 702 | 2.78 | 0 | Metal Acceptor |