Protocol to request
            
                PNKP phosphatase and kinase activity biochemical assay
                
                
            
        
        
            
                Research Article
            
            
                CDK-mediated phosphorylation of PNKP is required for end-processing of single-strand DNA gaps on Okazaki fragments and genome stability
                
            
            
            
                Kaima Tsukada et al.
            
            
                DOI: 10.7554/eLife.99217