The very C-terminus of protein kinase Cepsilon is critical for the full catalytic competence but its hydrophobic motif is dispensable for the interaction with 3-phosphoinositide-dependent kinase-1.

Abstract excerpt

In this article, we explore the role of the C-terminus (V5 domain) of PKCepsilon plays in the catalytic competence of the kinase using serial truncations followed by immune-complex kinase assays. Surprisingly, removal of the last seven amino acid residues at the C-terminus of PKCepsilon resulted in a PKCepsilon-Delta731 mutant with greatly reduced intrinsic catalytic activity while truncation of eight amino acid...

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