19568
Cloning of a short - period circadian mutant , Past - time , revealed a glycine to glutamate missense mutation in Fbxl21 , an F - box protein gene that is a paralog of Fbxl3 that targets the CRY proteins for degradation .
 Chemical: glycine; Chemical: glutamate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: glycine, glutamate 
Answer:
 Chemical: glycine; Chemical: glutamate