ArticleJournal of chemical information and modeling2022
Tilted State Population of Antimicrobial Peptide PGLa Is Coupled to the Transmembrane Potential.
Article in Journal of chemical information and modeling, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- The Role of Flexibility in the Bioactivity of Short α-Helical Antimicrobial Peptides.Antibiotics (Basel, Switzerland) · 2025Review
- Chemically diverse antimicrobial peptides induce hyperpolarization of the E. coli membrane.Communications biology · 2024Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
Cationic antimicrobial peptide PGLa gets into close contact with the anionic bacterial cell membrane, facilitating cross-membrane transport phenomena and membrane disruption depending on the concentration. The mechanisms of action are closely associated with the tilted insertion geometry of PGLa. Therefore, we aimed to understand the interaction between the transmembrane potential (TMP) and the orientation of the membrane-bound PGLa helix. Molecular dynamics simulations were performed with TMP, and we found that the PGLa tilt angle relative to the membrane is coupled with the TMP. Elevated TMP increases the population of the tilted state. We observed positive feedback between the tilt angle and the TMP, which occurs due to the electrostatic interaction between the peptidic helix and the Na
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