6272
Activation of N-WASP by IcsA unmasks two domains acting together in insertional actin polymerization .
 IcsA, N-WASP, actin
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:
 IcsA, N-WASP, actin