13287
p21ras initiates Rac-1 but not phosphatidyl inositol 3 kinase /PKB , mediated signaling pathways in T lymphocytes .
 phosphatidyl inositol 3 kinase /PKB, phosphatidyl inositol 3 kinase, Rac-1, p21ras, T lymphocytes, /PKB
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:
 phosphatidyl inositol 3 kinase /PKB, phosphatidyl inositol 3 kinase, Rac-1, p21ras, T lymphocytes, /PKB