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We also demonstrate that the IKK complex , but not p90(rsk) , is responsible for the in vivo phosphorylation of IkappaBalpha mediated by the co-activation of PKC and calcineurin .
 p90(rsk), calcineurin, IKK complex, IkappaBalpha, PKC
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:
 p90(rsk), calcineurin, IKK complex, IkappaBalpha, PKC