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Title: Functionalised staple linkages for modulating the cellular activity of stapled peptides
Authors: Lau, Yu Heng
de Andrade, Peterson
Quah, Soo-Tng
Rossmann, Maxim
Laraia, Luca
Sköld, Niklas
Sum, Tze Jing
Rowling, Pamela J. E.
Joseph, Thomas L.
Verma, Chandra
Hyvönen, Marko
Itzhaki, Laura S.
Venkitaraman, Ashok R.
Brown, Christopher J.
Lane, David P.
Spring, David R.
Keywords: Cell permeability
DRNTU::Science::Biological sciences
Issue Date: 2014
Source: Lau, Y. H., de Andrade, P., Quah, S.-T., Rossmann, M., Laraia, L., Sköld, N., et al. (2014). Functionalised staple linkages for modulating the cellular activity of stapled peptides. Chemical Science, 5(5), 1804-1809.
Series/Report no.: Chemical Science
Abstract: Stapled peptides are a promising class of alpha-helix mimetic inhibitors for protein–protein interactions. We report the divergent synthesis of “functionalised” stapled peptides via an efficient two-component strategy. Starting from a single unprotected diazido peptide, dialkynyl staple linkers bearing different unprotected functional motifs are introduced to create different alpha-helical peptides in one step, functionalised on the staple linkage itself. Applying this concept to the p53/MDM2 interaction, we improve the cell permeability and p53 activating capability of an otherwise impermeable p53 stapled peptide by introducing cationic groups on the staple linkage, rather than modifying the peptide sequence.
DOI: 10.1039/c4sc00045e
Schools: School of Biological Sciences 
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SBS Journal Articles

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