8102
Glycoprotein (GP) IX is a subunit of the von Willebrand receptor , GPIb-V-IX , which mediates adhesion of platelets to the subendothelium of damaged blood vessels .
 ( protein: von Willebrand receptor, None) , ( cell type: platelets, None) , ( protein: Glycoprotein (GP) IX, None) , ( protein: GPIb-V-IX, 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: von Willebrand receptor, None) , ( cell type: platelets, None) , ( protein: Glycoprotein (GP) IX, None) , ( protein: GPIb-V-IX, None) 