11914
The E2A-HLF (hepatic leukemia factor) oncoprotein , generated in pro-B lymphocytes by fusion of the trans-activation domain of E2A to the basic region/leucine zipper ( bZIP ) domain of HLF , functions as an anti-apoptotic transcription factor in leukemic cell transformation .
 ( protein: HLF, None) , ( protein: basic region/leucine zipper ( bZIP ) domain, None) , ( protein: trans-activation domain, None) , ( cell type: pro-B lymphocytes, None) , ( protein: bZIP, None) , ( protein: anti-apoptotic transcription factor, None) , ( protein: E2A-HLF (hepatic leukemia factor) oncoprotein, None) , ( protein: E2A, 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: HLF, None) , ( protein: basic region/leucine zipper ( bZIP ) domain, None) , ( protein: trans-activation domain, None) , ( cell type: pro-B lymphocytes, None) , ( protein: bZIP, None) , ( protein: anti-apoptotic transcription factor, None) , ( protein: E2A-HLF (hepatic leukemia factor) oncoprotein, None) , ( protein: E2A, None) 