20127
We also identified threonine 166 as a novel phosphorylation site and demonstrate that Thr - 166 phosphorylation is required for ROS - induced Lys - 167 ubiquitination .
 Chemical: threonine; Chemical: Thr; Chemical: Lys
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: threonine; Chemical: Thr; Chemical: Lys