Towards identifying preferred interaction partners of fluorinated amino acids within the hydrophobic environment of a dimeric coiled coil peptide

Toni Vagt, Elisabeth K. Nyakatura, Mario Salwiczek, Christian Jäckel, Beate Koksch

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Phage display technology has been applied to screen for preferred interaction partners of fluoroalkyl-substituted amino acids from the pool of the 20 canonical amino acids. A parallel, heterodimeric α-helical coiled coil was designed such that one peptide strand contained one of three different fluorinated amino acids within the hydrophobic core. The direct interaction partners within the second strand of the dimer were randomized and coiled coil pairing selectivity was used as a parameter to screen for the best binding partners within the peptide library. It was found that despite their different structures, polarities and fluorine contents, the three non-natural amino acids used in this study prefer the same interaction partners as the canonical, hydrophobic amino acids. The same technology can be used to study any kind of non-canonical amino acids. The emerging results will provide the basis not only for a profound understanding of the properties of these building blocks, but also for the de novo design of proteins with superior properties and new functions.

Original languageEnglish (US)
Pages (from-to)1382-1386
Number of pages5
JournalOrganic and Biomolecular Chemistry
Volume8
Issue number6
DOIs
StatePublished - Mar 12 2010
Externally publishedYes

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peptides
amino acids
coils
Amino Acids
Peptides
interactions
strands
Technology
Peptide Library
Bacteriophages
Fluorine
Dimers
fluorine
emerging
polarity
selectivity
Display devices
dimers
proteins
Proteins

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

Cite this

Towards identifying preferred interaction partners of fluorinated amino acids within the hydrophobic environment of a dimeric coiled coil peptide. / Vagt, Toni; Nyakatura, Elisabeth K.; Salwiczek, Mario; Jäckel, Christian; Koksch, Beate.

In: Organic and Biomolecular Chemistry, Vol. 8, No. 6, 12.03.2010, p. 1382-1386.

Research output: Contribution to journalArticle

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