5226
All mutants, including one extensively mutagenized strain entirely missing the NF-kappaB and four Spl binding elements , replicated with wild-type kinetics and to a wild-type level in peripheral blood mononuclear cell cultures in 50 to 100% of the experiments.
 ( cell line: peripheral blood mononuclear cell cultures, 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: peripheral blood mononuclear cell cultures, None) 