11958
The A6H monoclonal antibody (mAb) recognizes a 120,000-140,000 MW antigen that is expressed at similar densities on 85-90% of human CD4+ and CD8+ T cells and on renal cell carcinomas.
 ( protein: A6H, None) , ( protein: 120,000-140,000 MW antigen, None) , ( protein: A6H monoclonal antibody, 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:
 ( protein: A6H, None) , ( protein: 120,000-140,000 MW antigen, None) , ( protein: A6H monoclonal antibody, None) 