10670
Following TcR stimulation , activation of Erk2 was only inhibited by a previously described truncated form of p85 that cannot bind the catalytic subunit , but not by other constructs of p85 .
 truncated form of p85, catalytic subunit, TcR, Erk2, p85
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:
 truncated form of p85, catalytic subunit, TcR, Erk2, p85