13568
Musculin protein is closely related to human ABF-1 , which is expressed in activated B cells , and to epicardin/capsulin/Pod-1 , which is expressed in branchial myoblasts , visceral and urogenital mesoderm and epicardium .
 ( protein: human ABF-1, None) , ( protein: epicardin/capsulin/Pod-1, None) , ( cell type: B cells, None) , ( cell type: branchial myoblasts, 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: human ABF-1, None) , ( protein: epicardin/capsulin/Pod-1, None) , ( cell type: B cells, None) , ( cell type: branchial myoblasts, None) 