ArticleJournal of molecular recognition : JMR2012
Protein interface remodeling in a chemically induced protein dimer.
Article in Journal of molecular recognition : JMR, 2012. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Although the development of chemically induced, self-assembled protein-based materials is rapidly expanding, methods for directing their assembly in solution are sparse, and problems of population heterogeneity remain. By exerting control over the assembly of advanced protein structures, new classes of ordered protein nanomaterials become feasible, affecting numerous applications ranging from therapeutics to nanostructural engineering. Focusing on a protein-based method for modulating the stability of a chemically induced dihydrofolate reductase (DHFR) dimer, we demonstrate the sensitivity of a methotrexate competition assay in determining the change in DHFR-DHFR binding cooperativity via interfacial mutations over a 1.3 kcal/mol range. This represents a change of more than 40% of the dimer complex binding energy conferred from protein-protein cooperativity (~3.1 kcal/mol). With the development of this investigative system and refinement of protein-based techniques for complex stability modulation, the directed assembly of protein nanomaterials into heterocomplexes and a concomitant decrease in population heterogeneity becomes a realizable goal.
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