20508
This PKC alpha activation also led to the serine dephosphorylation of p120ctn and caused the dissociation of p120ctn from N - cadherin .
 Chemical: serine
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: serine