Protocol to request
            
                Intracellular staining for phosphorylated proteins
                
                
            
        
        
            
                Research article
            
            
                SLAMF6 deficiency augments tumor killing and skews toward an effector phenotype revealing it as a novel T cell checkpoint
                
            
            
            
                Emma Hajaj et al.
            
            
                DOI: 10.7554/eLife.52539