Abstract
The amphipathic α-helix is a common motif for peptide adsorption to membranes. Many physiologically relevant events involving membrane-adsorbed peptides occur over time and size scales readily accessible to coarse-grain molecular dynamics simulations. This methodological suitability, however, comes with a number of pitfalls. Here, I exemplify a multi-step adsorption equilibration procedure on the antimicrobial peptide Magainin 2. It involves careful control of peptide freedom to promote optimal membrane adsorption before other interactions are allowed. This shortens preparation times prior to production simulations while avoiding divergence into unrealistic or artifactual configurations.
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