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The N element bound a transcription factor , NTF , that is ubiquitous in cell-type distribution , and NTF was distinct from any of the previously described proteins that bind to similar sequences.
 protein: cell-type distribution; protein: previously described proteins; DNA: N element; protein: NTF; protein: transcription factor; protein: NTF
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: cell-type distribution; protein: previously described proteins; DNA: N element; protein: NTF; protein: transcription factor; protein: NTF