Chocktide ((Trp4)-Kemptide) is readily phosphorylated by cAMP-dependent protein kinase. The phosphorylated peptide, in turn, is an effective substrate for phosphoprotein phosphatase. The changes in the substrate fluorescence intensity as a function of its phosphorylation state provide a sensitive assay of both enzyme activities.
Technical inquiry about: 01-4006462 (Trp⁴)-Kemptide
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