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Moreover, this domain conferred enhancing activity when fused to the Oct1 protein , which by itself was unable to stimulate from a remote position.
 protein: Oct1 protein
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: Oct1 protein