Protocol to request
            
                Assembling and verifying protein complexes for binding studies
                
                
            
        
        
            
                Research article
            
            
                Dynamics at the serine loop underlie differential affinity of cryptochromes for CLOCK:BMAL1 to control circadian timing
                
            
            
            
                Jennifer L Fribourgh et al.
            
            
                DOI: 10.7554/eLife.55275