Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 19, Issue 15, Pages 4826-4834Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201203213
Keywords
cyclic peptides; dimers; gold; metal tweezers; self-assembly
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Funding
- Spanish Ministry of Economy and Competivity (MEC)
- ERDF [CTQ2010 15725, CSD2007-00006]
- Xunta de Galicia [GRC2010/132]
- European project Magnifyco [NMP4-SL-2009-228622]
- Spanish MEC
- Spanish Ministry of Foreign Affairs and Cooperation
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Metal-directed supramolecular construction represents one of the most powerful tools to prepare a large variety of structures and functions. The ability of metals to organize different numbers and types of ligands with a variety of geometries (linear, trigonal, octahedral, etc.) expands the supramolecular synthetic architecture. We describe here the precise construction of homo- and heterodimeric cyclic peptide entities through coordination of a metal (Pd, Au) and to beta-sheet-type hydrogen-bonding interactions. The selective coordination properties of the appropriate metal allow control over the cross-strand interaction between the two-peptide strands.
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