13395
Although both proteins were well expressed, the cells were not recognized by E1A- or E1B- specific CTLs unless the relevant epitope was either provided exogenously as a synthetic peptide or targeted to the ER in a TAP-independent fashion .
 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:
 None