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This is the first report of an EF1 -like activity in non-erythroid cells and indicates that this factor may play a role in the regulation of genes expressed in such cells.
 cell type: non-erythroid cells; DNA: genes; protein: EF1
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:
 cell type: non-erythroid cells; DNA: genes; protein: EF1