13424
However, the change in p130 phosphorylation in response to alpha-IFN occurs before dephosphorylation of pRb is complete because loss of p130 Form 3 occurs throughout the cell cycle prior to complete arrest in G1, whereas pRb is dephosphorylated only in G1 .
 ( protein: alpha-IFN, None) , ( protein: pRb, None) , ( protein: p130 Form 3, None) , ( protein: p130, None) , ( protein: p130, None) , ( protein: pRb, 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: alpha-IFN, None) , ( protein: pRb, None) , ( protein: p130 Form 3, None) , ( protein: p130, None) , ( protein: p130, None) , ( protein: pRb, None) 