6822
Clb2 / Cdc28 kinase is not required for the repression of MCB - binding factor transcriptional activity in G2 and M phase .
 Clb2, Cdc28, MCB - binding factor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Clb2, Cdc28, MCB - binding factor