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Primary structures of human protein kinase C beta I and beta II differ only in their C-terminal sequences
1Department of Molecular Biology, Tokyo Metropolitan Institute of Medical Science, Japan.
FEBS Letters
|October 19, 1987
Abstract:
Two types of cDNA clones encoding human protein kinase C (PKC) were isolated from a spleen cDNA library using rabbit protein kinase C beta I/beta II cDNA as a hybridization probe. Nucleotide sequence analyses of these cDNA inserts revealed complete primary structures of two distinct types of human protein kinase C beta I and beta II which differ only in their C-terminal 50 or 52 amino acid residues. It was concluded that there exist four distinct types of PKC, PKC alpha, beta I, beta II and gamma, in human as well as rabbit, and that the corresponding sequences are strictly conserved among mammalian species.