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Xia-Kun Chu

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#protein folding Open access Oct 2026

Template-dependent conformational remodeling induced by matched mutation sets in an artificial metalloenzyme.

An ensemble-based model in which pre-existing conformational organization shapes how the protein responds to the matched mutations is supported and stability-engineering mutations should be evaluated in the context of the parent ensemble is argued.

Shiqinrui Xu, Yi Yuan, Shuo-Cheng Wang et al. · 0 citations
Open access Sep 2026

Membranes Decouple α-Synuclein Surface Assembly and Kinetic Restriction from Persistent Amyloid-like Intermolecular Organization

Membrane association places α-synuclein (αSyn) at the boundary between physiological surface organization and pathological amyloid assembly, supporting vesicle clustering, surface condensation, and amyloid nucleation. How interfacial recruitment, condensate cohesion, and persistent amyloid-like organization are coupl...

Jin-Yu Chen, Xia-Kun Chu · 0 citations
Open access Sep 2026

Single-Chain Conformational Fluctuation Regulates Phase Separation of Intrinsically Disordered Proteins

Intrinsically disordered proteins (IDPs) form biomolecular condensates through weak multivalent interactions, but the ensemble variables that control condensate stability and material properties remain incompletely defined. Most current descriptions emphasize sequence features or mean single-chain descriptors, such a...

Ci-Bo Feng, Shiqinrui Xu, Hai-Bin Su et al. · 0 citations
Open access Aug 2026

Phosphorylation and pocket-binding ligands rewire the coupled networks in multidomain protein condensate

A two-layer regulatory mechanism in which phosphorylation rewires IDR electrostatics while pocket-binding ligands redirect folded-domain interactions is revealed, suggesting a strategy for modulating multidomain condensates through ligand-induced contact-network remodeling.

Yu Cao, Jin-Yu Chen, Xia-Kun Chu · 0 citations

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