18082
To understand the molecular mechanisms and the subsequent effects in modulating FXR functions in diverse biologic processes , we individually replaced eight highly conserved lysine residues of human FXR ( hFXR ) with arginine .
 Chemical: lysine; Chemical: arginine
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: arginine