1137
The kappa B sequence ( GGGACTTTCC ) binds a factor, NF-kappa B , that is constitutively found in its functional, DNA binding form only in B lymphocytes .
 cell type: B lymphocytes; DNA: kappa B sequence; protein: NF-kappa B
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:
 cell type: B lymphocytes; DNA: kappa B sequence; protein: NF-kappa B