8899
Heparin is a polyanionic glycosaminoglycan ( GAG ) that can bind with high affinity to a range of cytokines including interferon-gamma ( IFN-gamma ) and members of the chemokine superfamily .
 ( protein: IFN-gamma, None) , ( protein: cytokines, None) , ( protein: chemokine superfamily, None) , ( protein: interferon-gamma, 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: IFN-gamma, None) , ( protein: cytokines, None) , ( protein: chemokine superfamily, None) , ( protein: interferon-gamma, None) 