11607
ERK1 activity was 2-fold increased by C5b-9 at 2 min and by C5b-7 at 10 min, over the C5b6 level.
 ( protein: C5b-7, None) , ( protein: C5b6, None) , ( protein: C5b-9, None) , ( protein: ERK1, 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: C5b-7, None) , ( protein: C5b6, None) , ( protein: C5b-9, None) , ( protein: ERK1, None) 