11900
Both forms have DNA-binding domain , but AML1a lacks a putative transcriptional activation domain which AML1b has.
 ( protein: AML1b, None) , ( protein: DNA-binding domain, None) , ( protein: AML1a, 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: AML1b, None) , ( protein: DNA-binding domain, None) , ( protein: AML1a, None) 