1863
While DNA damage does not affect phosphorylation at the PDK - 1 site Thr350 / Thr308 of AKT - 1 , it increased phosphorylation at Ser517 / Ser473 .
 Chemical: Ser517; Chemical: Ser473
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: Ser517; Chemical: Ser473