ArticleChembiochem : a European journal of chemical biology2025
Characterization of DnaB-DnaG Interaction in M. tuberculosis Using Small-Angle X-ray Scattering-Based Dissociation Assay.
Article in Chembiochem : a European journal of chemical biology, 2025. 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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Abstract
The complex interactions between helicase and primase, two key components of the replisome involved in DNA replication in Mycobacterium tuberculosis are studied. Utilizing purified, complementary domains of these proteins, a surface plasmon resonance (SPR) analysis and a cross-linking assay to characterize their binding dynamics are employed. The SPR analysis reveals a binding dissociation constant of 0.21 ± 0.08 μM, and the cross-linking assay suggests the possible formation of a heterodimer species. Importantly, a small-angle X-ray scattering dissociation assay to study the dynamic interactions between the proteins in solution is utilized. The findings provide new opportunities for targeted therapeutic strategies aimed at DNA replication in M. tuberculosis by revealing the structural interplay between helicase and primase.
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