2088
Lysine substitution of glutamate - 836 in IA - 2 or glutamate - 872 in IA - 2 beta resulted in modest reductions in binding and identified a second epitope region .
 Chemical: Lysine; Chemical: glutamate; Chemical: glutamate
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: Lysine; Chemical: glutamate; Chemical: glutamate