Surface properties of membrane systems. Transport of staphylococcal δ-toxin from aqueous to membrane phase
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Staphylococcus aureus δ-toxin in aqueous solution: Behavior in monomeric and multimeric states
2017, Biophysical ChemistryCitation Excerpt :In fact, previous MD simulation studies have explored and validated such aspects, as evaluating δ-toxin interaction with POPC lipid bilayers in atomic-level [18], and coarse-grained resolutions [19]. In aqueous solution, however, it adopts varying helical content, which is dependent on its concentration [20,21,11,22]. Although this much knowledge about δ-toxin behavior, there is no structural, atomic-level data available for this peptide in aqueous solutions.
δ-hemolysin, an update on a membrane-interacting peptide
2009, PeptidesMolecular dynamics simulations of the insertion of two ideally amphipathic lytic peptides LK<inf>15</inf> and LK<inf>9</inf> in a 1,2-dimyristoylphosphatidylcholine monolayer
2001, Biochimica et Biophysica Acta - BiomembranesCitation Excerpt :β-Sheet structures are also involved but with very different peptides [3,1]. In order to reproduce the behavior of natural amphipathic peptidic toxins like melittin [4], δ-hemolysin, bombolittin and defensin, artificial toxins designed with a minimalist approach were synthesized: only two amino-acids were used, the most lipophilic (L) and the most hydrophilic (K), also with a 2:1 L/K ratio, these peptides are designed to have a single charged K residue per putative α-helical turn to generate ideally amphipathic helices. Like natural peptides, the LiKj (i=2j) peptides are surface active because of their secondary amphipathic character and they have been shown to be more efficient than natural peptides [5].
The monolayer technique: A potent tool for studying the interfacial properties of antimicrobial and membrane-lytic peptides and their interactions with lipid membranes
1999, Biochimica et Biophysica Acta - BiomembranesPossible virulence factors of Staphylococcus aureus in a mouse septic model
1999, FEMS Immunology and Medical Microbiology