6903
Given the critical role that LT-alpha1beta2 plays in lymphoid architecture, we speculate that LT-alpha1beta2 may be involved in HIV -associated abnormalities of the lymphoid organs .
 ( protein: LT-alpha1beta2, None) , ( protein: LT-alpha1beta2, 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: LT-alpha1beta2, None) , ( protein: LT-alpha1beta2, None) 