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This sequence motif is a binding site for nuclear proteins , the so-called octamer transcription factors ( Oct or OTF factors ).
 protein: OTF factors; protein: nuclear proteins; DNA: sequence motif; protein: octamer transcription factors; protein: Oct
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: OTF factors; protein: nuclear proteins; DNA: sequence motif; protein: octamer transcription factors; protein: Oct