PU.1 is a hematopoietic transcription factor. It specifically regulates transcription of macrophage and B cell genes in stem cells, ultimately leading to cellular differentiation. 
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  Name 
The name PU.1 comes from the protein's binding interactions with a purine-rich DNA sequence.
  Function 
 Binding Domain
  Disease 
  Relevance 
  Structural highlights 
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