Coiled‐Coil‐Mediated Activation of Oligoarginine Cell‐Penetrating Peptides
ChemBioChem2016Vol. 18(2), pp. 185–188
Citations Over TimeTop 17% of 2016 papers
Saskia A. Bode, Ilmar C. Kruis, Hans P. J. H. M. Adams, Wilbert C. Boelens, Ger J.M. Pruijn, Jan C. M. van Hest, Dennis W. P. M. Löwik
Abstract
A supramolecular approach was undertaken to create functionally activatable cell-penetrating peptides. Two tetra-arginines were assembled into an active cell-penetrating peptide by heterodimerizing leucine zippers. Three different leucine-zipper pairs were evaluated: activation was found to depend on the association constant of the coiled-coil peptides. The weaker-binding peptides required an additional disulfide linkage to induce cell-penetrating capability, whereas for the most-stable coiled-coil no additional stabilization was needed. The latter zipper pair was used to show that the induced formation of the coiled coils allows control over the uptake of an oligoarginine CPP-conjugated cargo protein.
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