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Protein Sci. 1996 Jan;5(1):162-6.

Extending the C2 domain family: C2s in PKCs delta, epsilon, eta, theta, phospholipases, GAPs, and perforin.

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  • 1University of Oxford, Fibrinolysis Research Unit, United Kingdom. chris@biop.ox.ac.uk

Abstract

Various membrane lipid metabolites, generated by phospholipases C and D (PLCs, PLDs), are known to regulate the activities of protein kinases C (PKCs) and GTP-ase activating proteins (GAPs) in a range of cellular processes. Conventional Ca(2+)-dependent PKCs (alpha, beta I, beta II, and gamma), PLCs and various GAPs are all known to contain copies of a phospholipid-binding domain, termed C2 or CalB. Here we recognize that C2 domains are also present in "new" Ca(2+)-independent PKCs (delta, epsilon, eta, and theta), other kinases, a eukaryotic PLD, the breakpoint cluster region (BCR) gene product, and two further GAPS. Twenty-two previously unrecognized C2 domain sequences are presented, which include a single copy in the mammalian poreforming proteins, perforin.

PMID:
8771209
[PubMed - indexed for MEDLINE]
PMCID:
PMC2143250
Free PMC Article
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