4662
We also showed that PAK6 phosphorylates Mdm2 on Thr - 158 and Ser - 186 , which is critical for AR ubiquitin - mediated degradation .
 Chemical: Thr; Chemical: Ser
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Thr; Chemical: Ser