8278
The results of replicase assays performed with mutant VP2 containing a deletion in its RNA - binding domain suggests that the essential role for VP2 in replication is linked to the protein ' s ability to bind the mRNA template for minus - strand synthesis .
 replicase, mutant VP2, VP2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 replicase, mutant VP2, VP2