De novo design of ligases for programmable site-specific protein ubiquitylation
Protein ubiquitylation regulates numerous cellular processes, but difficulties in generating site-specifically ubiquitylated proteins limit our understanding of individual modification events. In cells, ubiquitylation is mediated by an E1-E2-E3 enzyme cascade, with substrate recognition largely determined by more than 600 human E3 ligases, making it challenging to redirect ubiquitin transfer to a…
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