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A phosphorylation assay using [γ-32P]ATP: A highly sensitive detection of protein kinase C

✍ Scribed by Kyong-Cheol Ko; Mi Hee Choi; Sang Hyun Park

Publisher
John Wiley and Sons
Year
2010
Tongue
French
Weight
271 KB
Volume
54
Category
Article
ISSN
0022-2135

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✦ Synopsis

Abstract

The involvement of protein kinase C (PKC) in many biological processes such as development, memory, cell differentiation and proliferation, and carcinogenesis has been demonstrated. Using the mep45 gene encoding the 45‐kDa major envelope protein (Mep45) of Selenomonas ruminantium, a protein‐fused substrate (neurogranin‐Mep45, MFS‐PKC) was cloned, which is a highly selective substrate for PKC. The recombinant protein‐fused substrate can be constantly produced in reasonable quantities with a small outlay. In this study, a suitable strategy for the detection of the phosphorylation of a peptide‐type substrate and a Mep45‐fused substrate catalyzed by PKC by using a sensitive radiodetection is described. This strategy can be applicable to the development of protein microarray, which can be a useful tool for high‐throughput screening in biological and medical research. Copyright © 2010 John Wiley & Sons, Ltd.

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