11901
Here we demonstrate that AML1a , which solely has no effects as a transcriptional regulator, dominantly suppresses transcriptional activation by AML1b , and that AML1a exhibits the higher affinity for DNA-binding than AML1b .
 AML1b, AML1b, AML1a, AML1a
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 AML1b, AML1b, AML1a, AML1a