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CAAX box cerebral protein 1 CAAX_1 is a family of primate proteins. CAAX refers to the highly characteriztic C-terminal residues, a cysteine and two aliphatic residues followed by any residue, a C-terminal tetrapeptide recognition motif called the Ca1a2X box. This motif on substrates is recognized by prenyltransferases that then attach an isoprenoid lipid (a process termed prenylation), one of the many post-translational modifications that occur in cells. The function of the prenylated family is not known.
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PubMed References
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