2089
Binding to IA - 2 PTP and IA - 2 beta PTP was almost abolished by mutation of both the core cysteine and these glutamates .
 Chemical: cysteine; Chemical: glutamates
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: cysteine; Chemical: glutamates