2131
Site - directed mutagenesis was conducted to investigate the functional significance of this element and the 3 ' minus - strand terminal sequence " 3 ' - OH - CCCUAU , " which contains the minus - strand 3 ' - end sequence " 3 ' - OH - CC ( 1 - 2 ) ( A / U ) ( A / U ) ( A / U ) " found in all carmovirus RNAs .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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