19443
We have characterized the lysylation system of Plasmodium falciparum , and designed , synthesized , and tested a set of inhibitors based on the structure of the natural substrate intermediate : lysyl - adenylate .
 Chemical: lysyl - adenylate
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: lysyl - adenylate