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Molecular cloning of a brain-specific calcium/calmodulin-dependent protein kinase
Journal article   Open access   Peer reviewed

Molecular cloning of a brain-specific calcium/calmodulin-dependent protein kinase

C. R LIN, M. S KAPILOFF, S DURGERIAN, K TATEMOTO, A. F RUSSO, Phyllis Hanson, H SCHULMAN and M. G ROSENFELD
Proceedings of the National Academy of Sciences - PNAS, Vol.84(16), pp.5962-5966
1987
DOI: 10.1073/pnas.84.16.5962
PMID: 3475713
url
https://doi.org/10.1073/pnas.84.16.5962View
Published (Version of record) Open Access

Abstract

A calcium/calmodulin-dependent protein kinase type II (CaM-K) alpha-subunit cDNA has been cloned from rat brain. This enzyme is encoded by a 5.1-kilobase mRNA expressed exclusively in the brain. Hybridization histochemistry reveals that the CaM-K mRNA expression corresponds to the distribution of the immunoreactive alpha-subunit protein, suggesting that the high enzyme levels in specific brain areas reflect regional differences in gene expression. The sequence of CaM-K alpha-subunit cDNA indicates a 478-amino acid (54-kDa) protein with three functional domains. The domain organization suggests a structural model for calcium/calmodulin-dependent and independent states that might subserve short- and long-term responses to transient stimuli.
Biotechnology Genetic Engineering Molecular Cloning Fundamental and applied biological sciences. Psychology Methods. Procedures. Technologies Genetic technics Biological and medical sciences

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