387
Super-shift analysis revealed that the NF-kappa B complex of costimulated CD4+ T cells contained large amounts of p50 , substantial amounts of p65 , and marginal levels of c-Rel proteins .
 ( cell line: costimulated CD4+ T cells, None) , ( protein: c-Rel proteins, None) , ( protein: NF-kappa B complex, None) , ( protein: p50, None) , ( cell line: CD4+ T cells, None) , ( protein: p65, None) , ( protein: NF-kappa B, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell line: costimulated CD4+ T cells, None) , ( protein: c-Rel proteins, None) , ( protein: NF-kappa B complex, None) , ( protein: p50, None) , ( cell line: CD4+ T cells, None) , ( protein: p65, None) , ( protein: NF-kappa B, None) 