The cDNA of the two isoforms of bovine cGMP-dependent protein kinase |
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Authors: | W Wernet V Flockerzi F Hofmann |
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Institution: | Institut für Physiologische Chemie, Medizinische Fakult?t, Universit?t des Saarlandes, Homburg/Saar, FRG. |
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Abstract: | cDNAs encoding the isoform I alpha of the cGMP-dependent protein kinase were isolated from a bovine trachea smooth muscle cDNA library constructed in lambda gt10. The deduced protein sequence is identical with the protein sequence obtained by Edman degradation of the bovine lung enzyme (1984) Biochemistry 23, 4207-4218]. Alternate cDNA clones were isolated which code for a protein slightly different within the aminoterminal part from the known amino acid sequence. These alternate cDNAs contain the sequence of a peptide identified in the isoform I beta of cGMP-dependent protein kinase. Northern blot analysis of poly(A)+ RNA from bovine trachea smooth muscle indicated the presence of two different mRNA species of about 6.2 kb. |
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