A differential scanning calorimetry study of the effects and interactions of antimicrobial peptide LS3 on phosphatidylethanolamine bilayers

Farid Sa'adedin; Jeremy P. Bradshaw

doi:10.2174/0929866511009011345

A differential scanning calorimetry study of the effects and interactions of antimicrobial peptide LS3 on phosphatidylethanolamine bilayers

Farid Sa'adedin, Jeremy P. Bradshaw

Vice Chancellor's Office

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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 language	English
Pages (from-to)	1345-1350
Number of pages	6
Journal	Protein and Peptide Letters
Volume	17
Issue number	11
DOIs	https://doi.org/10.2174/0929866511009011345
Publication status	Published - 1 Jan 2010

Keywords

Amphipathic helix
Antimicrobial peptide
DSC
LS3
Phase transition
Phosphatidylethanolamine

ASJC Scopus subject areas

Structural Biology
Biochemistry

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10.2174/0929866511009011345

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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.",

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KW - Antimicrobial peptide

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KW - LS3

KW - Phase transition

KW - Phosphatidylethanolamine

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