Protocol to request
            
                Avi-His-tagged ligand fragments for protein expression and purification
                
                
            
        
        
            
                Research article
            
            
                The ectodomains determine ligand function in vivo and selectivity of DLL1 and DLL4 toward NOTCH1 and NOTCH2 in vitro
                
            
            
            
                Lena Tveriakhina et al.
            
            
                DOI: 10.7554/eLife.40045