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alpha B is the mouse homologue of human AML1 gene detected at the breakpoints of t(8;21) and t(3;21) myeloid leukemias .
 ( DNA: human AML1 gene, None) , ( DNA: mouse homologue, None) , ( DNA: alpha B, 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:
 ( DNA: human AML1 gene, None) , ( DNA: mouse homologue, None) , ( DNA: alpha B, None) 