14607
Three mutants ( -201/-184 NXS , -165/-148 NXS , and -147/-130 NXS ) had effects on viral replication that were much more severe than the effects predicted from their performance in transfection analyses , and the effects of two LS mutations ( -201/-184 NXS and -183/-166 NXS ) were not predicted by their effects in transfection.
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 None