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Because HIV-1 requires active NF-kappa B for efficient transcription, we tested the effect of HIV-1 infection on the processing of the human 105K precursor .
 protein: NF-kappa B; protein: human 105K precursor
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: NF-kappa B; protein: human 105K precursor