10674
Analysis of phosphotyrosine -containing proteins bound to truncated p85 constructs revealed cooperative binding of the two SH2 domains but no apparent differences between the N- and C- terminal SH2 domains .
 ( protein: phosphotyrosine -containing proteins, None) , ( protein: two SH2 domains, None) , ( protein: p85, None) , ( protein: p85 constructs, 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: phosphotyrosine -containing proteins, None) , ( protein: two SH2 domains, None) , ( protein: p85, None) , ( protein: p85 constructs, None) 