25147
A photocaged lysine analogue was site - specifically incorporated into fLuc to replace its key catalytic lysine residue - Lys529 , rendering fLuc inactive until light - triggered removal of the caging group .
 Chemical: lysine; Chemical: lysine; Chemical: Lys529
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: lysine; Chemical: Lys529