3614
Twelve amino acid peptides encompassing either of these two tyrosine residues in phosphorylated form coprecipitated Stat3 but not Stat1 and blocked IL-10 -induced Stat3 phosphorylation in a cell-free system .
 ( protein: Stat1, None) , ( protein: IL-10, None) , ( protein: phosphorylated form, None) , ( protein: Stat3, None) , ( protein: Stat3, 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: Stat1, None) , ( protein: IL-10, None) , ( protein: phosphorylated form, None) , ( protein: Stat3, None) , ( protein: Stat3, None) 