4.8 Article

Supramolecular Metal-Coordination Polymers, Nets, and Frameworks from Synthetic Coiled-Coil Peptides

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 139, Issue 6, Pages 2212-2215

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b00651

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Funding

  1. National Science Foundation [DMR1149067]
  2. U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [W-31-109-Eng-38]
  3. Division Of Materials Research
  4. Direct For Mathematical & Physical Scien [1149067] Funding Source: National Science Foundation

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Metal coordination and peptide-directed self-assembly are two proven methods for creating defined supramolecular architectures. Here, we report a new class of crystalline materials based on coiled-coil peptides bearing unnatural metal-chelating terpyridine moieties. High-resolution structural characterization of lattices formed in the presence of Cu2+ reveals a general assembly mechanism. Subtle sequence variation in the modular synthetic ligand dictates assembly morphology.

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