10833
Thrombin activation requires assembly of a prothrombinase complex of activated coagulation factors on an anionic phospholipid surface , classically provided by activated platelets .
 ( protein: Thrombin, None) , ( cell type: activated platelets, None) , ( protein: coagulation factors, None) , ( protein: prothrombinase complex, 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: Thrombin, None) , ( cell type: activated platelets, None) , ( protein: coagulation factors, None) , ( protein: prothrombinase complex, None) 