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November 10, 2025BiomoleculesOpen Access

Molecular Dynamics Study of α-Synuclein Domain Deletion Mutant Monomers

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Authors

NONoriyo OnishiNMNicodemo MazzaferroŠKŠpela Kunstelj

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Overview

Molecular dynamics reveals changes in protein structure and elongation in α-synuclein mutants, indicating key interactions with membrane properties.

Key Points

  • This research aims to understand how truncation of domains in α-synuclein affects its structural properties.
  • Employed molecular dynamics simulations using Gaussian accelerated molecular dynamics (GAMD) on α-synuclein variants
  • Analyzed wild-type, N-terminal truncated, C-terminal truncated, and isolated NAC domain mutations
  • Conducted clustering and contact analysis to determine inter-domain interactions
  • Removal of the N-terminal domain increases contacts between NAC and C-terminal domains
  • Truncations lead to increased compactness of domains and formation of inter-domain β-sheets
  • Disruption of the electrostatic potential in C-terminal deletion affects protein–membrane interactions

Cite This Study

Onishi et al. (2025) studied this question.

synapsesocial.com/papers/69253a29c0ce034ddc357486https://doi.org/10.3390/biom15111577
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Flanking Domains Modulate α-Synuclein Monomer Structure: A Molecular Dynamics Domain Deletion Study2024 · 1 citations
  2. 2Targeting Hydrophobic Residues in the Alpha-Synuclein NAC Domain Disrupts Aggregation and Seed-Competent Fibril Formation2024
  3. 3Hydrophobic residues in the α-synuclein NAC domain drive seed-competent fibril formation and are targeted by peptide inhibitors.2025
  4. 4Conformational Ensemble Dynamics of Intrinsically Disordered Full-Length α- and β-Synuclein Monomers2025
  5. 5Transient Interactions of α-Synuclein N- and C-Termini2026