1540
Kappa B (kappa B) enhancer binding proteins isolated from the nuclei of activated human T cells produce two distinct nucleoprotein complexes when incubated with the kappa B element from the interleukin-2 receptor-alpha ( IL-2R alpha ) gene .
 protein: nucleoprotein complexes; cell type: human T cells; DNA: kappa B element; DNA: interleukin-2 receptor-alpha ( IL-2R alpha ) gene; protein: IL-2R alpha; protein: Kappa B (kappa B) enhancer binding proteins
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: nucleoprotein complexes; cell type: human T cells; DNA: kappa B element; DNA: interleukin-2 receptor-alpha ( IL-2R alpha ) gene; protein: IL-2R alpha; protein: Kappa B (kappa B) enhancer binding proteins