Simulations suggest possible novel membrane pore structure

. 2014 Feb 11 ; 30 (5) : 1304-10. [epub] 20130923

Jazyk angličtina Země Spojené státy americké Médium print-electronic

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid24059441

Amphiphilic proteins and peptides can induce the formation of stable and metastable pores in membranes. Using coarse-grained simulations, we have studied the factors that affect structure of peptide-stabilized pores. Our simulations are able to reproduce the formation of the well-known barrel-stave or toroidal pores, but in addition, we find evidence for a novel "double-belt" pore structure: in this structure the peptides that coat the membrane pore are oriented parallel to the membrane plane. To check the predictions of our coarse-grained model, we have performed more detailed simulations, using the MARTINI force field. These simulations show that the double-belt structure is stable up to at least the microsecond time scale.

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Effect of helical kink in antimicrobial peptides on membrane pore formation

. 2020 Mar 13 ; 9 () : . [epub] 20200313

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