764
NF-kappa B is a protein complex which functions in concert with the tat-I gene product to stimulate human immunodeficiency virus ( HIV ) transcription .
 protein: protein complex; protein: tat-I gene product; 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:
 protein: protein complex; protein: tat-I gene product; protein: NF-kappa B