15238
In particular , there are long - range connections , only in the active state , between Ala47 , which reports on structural and dynamic changes associated with the general acid / base Glu49 , and residues within the beta 2 alpha 2 loop , which contains the catalytically important Asp60 residue .
 Chemical: Ala47; Chemical: Glu49; Chemical: Asp60
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: Ala47; Chemical: Glu49; Chemical: Asp60