Kemptide is a phosphate acceptor peptide that serves as a synthetic substrate for PKA (Km = 16 µM). The corresponding fluorescent and biotinylated peptides are also proven to be good substrates for PKA.
Proteins & Peptides
Pfister, TD. and KB. Storey, Insect Biochem. Mol. Biol. 32, 505 (2002); Zelada, A. et al. Eur. J. Biochem. 252, 245 (1998).