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One protein, NF-GM2 is similar to the transcription factor NF-kB .
 protein: transcription factor; protein: NF-GM2; protein: NF-kB
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: transcription factor; protein: NF-GM2; protein: NF-kB