ArticleSmall science2026
Catcher Domains as Multifunctional Fusion Modules for Soluble Expression, Covalent Coupling, and Spatial Organization of Recombinant Proteins.
Article in Small science, 2026. 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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7 authors.
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Abstract
Fusion tags are essential tools for recombinant protein production, but their functions are often limited to improving solubility or facilitating purification. Catcher domains are split-protein fragments derived from bacterial adhesion proteins that spontaneously form irreversible isopeptide bonds with their complementary Tag. Here, we describe Catcher domains as multifunctional fusion partners that not only enhance soluble protein expression but also enable modular and covalent protein assembly. Fusion of Catcher domains to diverse recombinant proteins, including both structural proteins and enzymes, remarkably enhanced their soluble expression in
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