Systematic profiling of dominant ubiquitin variants reveals key functional nodes contributing to evolutionary selection.

Abstract excerpt

Dominant-negative mutations can help to investigate the biological mechanisms and to understand the selective pressures for multifunctional proteins. However, most studies have focused on recessive mutant effects that occur in the absence of a second functional gene copy, which overlooks the fact that most eukaryotic genomes contain more than one copy of many genes. We have identified dominant effects on yeast...

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