12211
Our data indicate that this CRE interacts with CREB and ATF1 proteins present in B cell nuclear extracts and that this interaction is important for Wp activity .
 CRE
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:
 CRE