Chemical-biological exploration of the limits of the Ras de- and repalmitoylating machinery.
CHEMBIOCHEM(2012)
摘要
A dynamic de-/repalmitoylation cycle determines localization and activity of H- and N-Ras. This combined cellular de- and repalmitoylation machinery has been shown to be substrate tolerant--it accepts variation of amino acid sequence, structure and configuration. Here, semisynthetic Ras-proteins in which the C-terminal amino acids are replaced by peptoid residues are used to reveal the first limitations of substrate recognition by the de- and repalmitoylating machinery.
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关键词
lipopeptide,lipoprotein,peptidomimetics,peptoids,ras proteins
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