3288
Kinetic analysis showed that the p . Val204Asp / p . Asp70Gly - p . Ala539Thr BChE displays a pure Michaelian behavior with BTC as the substrate .
 Chemical: BTC
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: BTC