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August 7, 2026Journal of Peptide Science

No Significant Secondary Structural Change of α‐Synuclein Monomer by Site‐Specific DOPA or Phosphorylation Introduction in Its C‐Terminal Region

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Authors

TMTatsuhito MatsuoISIsao SuetakeMKMariko Kimura

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Overview

Randomized trial explores the impact of site-specific modifications on alpha-synuclein structure, indicating no significant change.

Key Points

  • The research aims to understand if specific modifications to alpha-synuclein affect its secondary structure and aggregation.
  • Semisynthesized alpha-synuclein variants with specific modifications (S129Phos and Y136DOPA) and a control were prepared.
  • Circular dichroism (VUVCD) spectroscopy was used to analyze the secondary structures of the monomeric states of the variants.
  • Both S129Phos and Y136DOPA forms of alpha-synuclein exhibited similar secondary structures in their monomeric states.
  • The modifications did not induce any significant changes in the secondary structure of alpha-synuclein.

Cite This Study

Matsuo et al. (2026) studied this question.

synapsesocial.com/papers/6a758bae847ab6d26c01f23bhttps://doi.org/10.1002/psc.70118
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