Protocol to request
            
                Tandem fluorescent timer ubiquitin-proteasome system activity reporters
                
                
            
        
        
            
                Research article
            
            
                Variation in ubiquitin system genes creates substrate-specific effects on proteasomal protein degradation
                
            
            
            
                Mahlon A Collins et al.
            
            
                DOI: 10.7554/eLife.79570