12013
In Saccharomyces cerevisiae , entry into mitosis requires activation of the cyclin - dependent kinase Cdc28 in its cyclin B ( Clb ) - associated form .
 cyclin - dependent kinase, Cdc28, cyclin B, Clb
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 cyclin - dependent kinase, Cdc28, cyclin B, Clb