6441
Moreover, both deletion mutants could still form complexes with wild-type TLR2 and act in a dominant-negative ( DN ) fashion to block TLR2 -mediated signal transduction .
 TLR2, TLR2, wild-type TLR2
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:
 TLR2, TLR2, wild-type TLR2