669
These activation domains restored ZEBRA 's ability to induce early antigen and to stimulate origin replication to levels that were equal to or greater than those of wild type.
 ( protein: ZEBRA, None) , ( protein: early antigen, 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: ZEBRA, None) , ( protein: early antigen, None) 