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Incubation of HeLa cell cytoplasmic extracts with a purified recombinant glutathione S - transferase - raf fusion protein in the presence of ATP released active NF - kappa B that could be detected by electrophoretic gel mobility shift assay .
 GENE: glutathione S - transferase; GENE: raf; GENE: NF - kappa B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: glutathione S - transferase; GENE: raf; GENE: NF - kappa B