Cyclin-Dependent KinasesProtein kinases that control cell cycle progression in all eukaryotes and require physical association with CYCLINS to achieve full enzymatic activity. Cyclin-dependent kinases are regulated by phosphorylation and dephosphorylation events.
AssociationA functional relationship between psychological phenomena of such nature that the presence of one tends to evoke the other; also, the process by which such a relationship is established.
CyclinsRegulatory proteins that function in the cell cycle to activate maturation promoting factor. They complex with p34cdc2 (PROTEIN P34CDC2), the catalytic subunit of MATURATION-PROMOTING FACTOR, and modulate its protein kinase activity. Cyclins themselves have no enzymatic activity.
PhosphorylationThe introduction of a phosphoryl group into a compound through the formation of an ester bond between the compound and a phosphorus moiety.
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