1241
Phosphorylation was accompanied by induced processing of the precursors p100 and p105 and by degradation of I kappa B alpha .
 ( protein: p105, None) , ( protein: I kappa B alpha, None) , ( protein: p100, 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: p105, None) , ( protein: I kappa B alpha, None) , ( protein: p100, None) 