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September 12, 2025The Journal of Physical Chemistry BOpen Access

Large-Scale Conformational Analysis Explains G-Quadruplex Topological Landscape

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Authors

MJMichał JurkowskiMKMateusz KogutMOMichał Olewniczak

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Overview

This analysis uncovers folding preferences and constraints in G-quadruplex structures, suggesting critical factors in topology determination.

Key Points

  • G-quadruplexes exhibit significant variation in folding patterns, notably influenced by loop length constraints.
  • Evaluating nearly 20,000 G4 conformations revealed that 12 topologies are hindered by long-distance propeller loops.
  • The study systematically explored 128 DNA sequences to evaluate conformational space and folding preferences.
  • Understanding G-quadruplex topologies may advance rational design in genomic applications, enhancing regulatory mechanisms.

Cite This Study

Jurkowski et al. (2025) studied this question.

synapsesocial.com/papers/68d44b3031b076d99fa547ddhttps://doi.org/10.1021/acs.jpcb.5c04372
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Also Consider

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

  1. 1Topological rules and anomalies in intramolecular G-quadruplex folding: a comprehensive study2026
  2. 2Can intrinsic loop energetics predict G-Quadruplex topology?2026
  3. 3How loop lengths shape topological preferences of two-tetrad G-quadruplexes2026
  4. 4Comprehensive analysis of intramolecular G-quadruplex structures: furthering the understanding of their formalism2024 · 42 citations
  5. 5The influence of G-tract and loop length on the topological variability of putative five and six G-quartet DNA structures in the human genome2024 · 1 citations