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  Metallacrowns as products of the aqueous medium self-assembly of histidinehydroxamic acid-containing polypeptides.

Cal, M., Kotynia, A., Jaremko, L., Jaremko, M., Lisowski, M., Cebo, M., et al. (2015). Metallacrowns as products of the aqueous medium self-assembly of histidinehydroxamic acid-containing polypeptides. Dalton Transactions, 44(24), 11172-11181. doi: 10.1039/C5DT01267H.

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Cal, M., Author
Kotynia, A., Author
Jaremko, L.1, Author           
Jaremko, M.1, Author           
Lisowski, M., Author
Cebo, M., Author
Brasun, J., Author
Stefanowicz, P., Author
Affiliations:
1Department of NMR Based Structural Biology, MPI for Biophysical Chemistry, Max Planck Society, ou_578567              

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 Abstract: Self-assembly is a widely studied, spontaneous, and reversible phenomenon leading to the formation of the ordered structures by non-covalent specific interactions among starting molecules. In this work, a new template for the self-assembly of polypeptides based on peptides containing the C-terminal histidinehydroxamic acid moiety and Cu2+ ions is characterized. Two peptide (tripeptide and pentadecapeptide) hydroxamic acid systems were synthesized and their interactions with Cu2+ ions were investigated, revealing a high stability of the supramolecular assemblies formed. The supramolecular metallacrown-based L4Cu5 complexes exist at physiological pH in the presence of Cu2+ ions as is evidenced from the spectroscopic methods, ESI mass spectrometry, and physicochemical techniques.

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Language(s): eng - English
 Dates: 2015-05-082015
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.1039/C5DT01267H
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Title: Dalton Transactions
Source Genre: Journal
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Pages: - Volume / Issue: 44 (24) Sequence Number: - Start / End Page: 11172 - 11181 Identifier: -