29793
Circular dichroism revealed that the peptide most sensitive to interactions with paraoxon was that with the triad residues in the order Glu , Ser and His , which appears to be appropriate for supporting a catalytic mechanism similar to that in acetylcholinesterase enzyme .
 Chemical: paraoxon; Chemical: Glu; Chemical: Ser; Chemical: His
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: paraoxon; Chemical: Glu; Chemical: Ser; Chemical: His