13291
The series of crystallographic snapshots reveals that AChE and BChE react with the opposite enantiomers and that an induced - fit rearrangement of Phe297 enlarges the active site of AChE upon CBDP binding .
 Chemical: Phe297; Chemical: CBDP
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: Phe297; Chemical: CBDP