Báo cáo khóa học: Membrane interaction and cellular internalization of penetratin peptides
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Penetratin is a 16-residue peptide [RQIKIWFQNRRM KWKK(43–58)]derived from the Antennapedia homeo-domain, which is used as a vector for cellular internalization of hydrophilic molecules. In order to unravel themembrane translocation mechanism, we synthesized new penetratin variants. The contribution of the positively charged residues was studied by double substitutions of Lys and/or Arg resi-dues to Ala, while the specific contribution of Trp48 and Trp56 was studied by individual substitution of these resi-dues to Phe. ...
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