Biomolecular condensates are membrane-less assemblies of proteins and nucleic acids formed through liquid-liquid phase separation (LLPS). These assemblies are known to temporally and spatially regulate numerous biological activities and cellular processes in plants and animals. In vitro phase separation assay using recombinant proteins represents one of the standard ways to examine the properties of proteins undergoing LLPS. Here, we present a detailed protocol to investigate in vitro LLPS using in vitro expressed and purified recombinant proteins.
Keywords: Biomolecular condensates; In vitro phase separation; Liquid–liquid phase separation; Recombinant protein.
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