3507
p27Kip1 directly inhibits the catalytic activity of cyclin/cdks ( cyclin-dependent kinase ) complexes and/or interferes physically with cyclin/cdks activation by CAK .
 ( protein: CAK, None) , ( protein: cyclin/cdks, None) , ( protein: cyclin/cdks ( cyclin-dependent kinase ) complexes, None) , ( DNA: p27Kip1, None) , ( protein: cyclin-dependent kinase, None) , ( protein: cyclin/cdks, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: CAK, None) , ( protein: cyclin/cdks, None) , ( protein: cyclin/cdks ( cyclin-dependent kinase ) complexes, None) , ( DNA: p27Kip1, None) , ( protein: cyclin-dependent kinase, None) , ( protein: cyclin/cdks, None) 