Evidence map›Paper›PMID 42862240›Full record

ArticleMethods in molecular biology (Clifton, N.J.)2027

Using Magnetic Tweezers to Unravel the Mechanism of the G-Quadruplex Binding and Unwinding Activities of DHX36 Helicase.

Qun Luo, Yu Zhou, Jie Yan, Huijuan You

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Article in Methods in molecular biology (Clifton, N.J.), 2027. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Qun LuoSchool of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Yu ZhouMechanobiology Institute, National University of Singapore, Singapore, Singapore.
Jie YanMechanobiology Institute, National University of Singapore, Singapore, Singapore.
Huijuan YouSchool of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China. youhuijuan@hust.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Single-molecule manipulation methods are useful techniques to probe the interactions of proteins and nucleic acid structures. Here, we describe magnetic tweezers-based single-molecule investigation of the binding of helicases to G-quadruplex structures and their ATP-dependent unwinding activity, using DHX36 (also known as RHAU and G4R1) helicase and both DNA and RNA G-quadruplex structures as examples. We specifically emphasize the principle and method to probe the interactions between DHX36 and the DNA G-quadruplex in different intermediate states during an ATPase cycle of DHX36, based on detecting the DHX36-induced changes in the lifetime of the DNA and RNA G-quadruplex under tension. The principle of the measurement can be broadly extended to the studies of other DNA or RNA G-quadruplex helicases.

Indexed as

DEAD-box RNA HelicasesG-QuadruplexesAdenosine TriphosphateDNAHumansMagneticsProtein BindingRNASingle Molecule ImagingAdenosine TriphosphateDEAD-box RNA HelicasesDHX36 protein, humanDNARNADExD/H-box helicaseDHX36G-quadruplexMagnetic tweezersSingle-molecule manipulation

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.