A Differential Scanning Calorimetry Study of the Effects and Interactions of Antimicrobial Peptide LS3 on Phosphatidylethanolamine Bilayers

Farid Sa'adedin, Jeremy P. Bradshaw

Research output: Contribution to journalArticlepeer-review

Abstract

Differential Scanning Calorimetry studies of a synthetic peptide revealed the peptide decreased the temperature of the lamellar-hexagonal phase transition of cis-trans mixtures of phosphatidylethanolamine. The transition enthalpy varied significantly with lipid composition. The findings are discussed with reference to peptide saturation on the bilayer surface, bilayer thinning and peptide orientation.

Original languageEnglish
Pages (from-to)1345-1350
Number of pages6
JournalProtein and Peptide Letters
Volume17
Issue number11
DOIs
Publication statusPublished - Nov 2010

Keywords

  • Antimicrobial peptide
  • amphipathic helix
  • DSC
  • LS3
  • phosphatidylethanolamine
  • phase transition
  • MEMBRANES
  • MODEL

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