9847
To identify these sites , Cdk2 - phosphorylated MARCKS was digested with lysyl endoprotease and analysed by electrospray MS .
 Cdk2, MARCKS, lysyl endoprotease
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Cdk2, MARCKS, lysyl endoprotease