1654
Deletion of the amino-terminal region of PU.1 results in a failure to form the PU-SF complex and in a concomitant loss of transactivation, suggesting that formation of the PU-SF complex is of functional importance for the activity of the GM-CSF receptor alpha promoter .
 protein: GM-CSF; DNA: GM-CSF receptor alpha promoter; protein: PU.1; protein: PU-SF; protein: amino-terminal region; protein: PU-SF; protein: PU-SF complex
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: GM-CSF; DNA: GM-CSF receptor alpha promoter; protein: PU.1; protein: PU-SF; protein: amino-terminal region; protein: PU-SF; protein: PU-SF complex