11685
Moreover , a complex containing PTP phi , paxillin , and a paxillin - associated tyrosine kinase , Pyk2 , can be immunoprecipitated from macrophage lysates , and the catalytic domain of PTP phi selectively binds paxillin and Pyk2 in vitro .
 PTP phi, paxillin, paxillin - associated tyrosine kinase, Pyk2, PTP phi, paxillin, Pyk2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 PTP phi, paxillin, paxillin - associated tyrosine kinase, Pyk2, PTP phi, paxillin, Pyk2