9008
Identification of a proline - rich sequence in the CD2 cytoplasmic domain critical for regulation of integrin - mediated adhesion and activation of phosphoinositide 3 - kinase .
 CD2 cytoplasmic domain, integrin, phosphoinositide 3 - kinase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 CD2 cytoplasmic domain, integrin, phosphoinositide 3 - kinase