 Atypical protein kinase C

An atypical protein kinase C is a member of the protein kinase C family whose regulation differs from the conventional calcium- and diacylglycerol-responsive forms. Atypical isoforms participate in signalling and cellular polarity, including complexes with PAR-6. Their name describes a regulatory subfamily; it does not mean that all protein kinase C enzymes share the same activation requirements. ^[ref]