Autophosphorylation of carboxy-terminal residues inhibits the activity of protein kinase CK1alpha.

Abstract excerpt

CK1 constitutes a protein kinase subfamily that is involved in many important physiological processes. However, there is limited knowledge about mechanisms that regulate their activity. Isoforms CK1delta and CK1epsilon were previously shown to autophosphorylate carboxy-terminal sites, a process which effectively inhibits their catalytic activity. Mass spectrometry of CK1alpha and splice variant CK1alphaL has...

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