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The S. cerevisiae and Sch. pombe systems support effects of acidic activator proteins , provided a further protein fraction from S. cerevisiae is supplied.
 protein: acidic activator proteins
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: acidic activator proteins