21465
The site is composed of Asn - 102 , His - 418 , Lys - 517 , Ser - 796 , Glu - 797 , and Trp - 999 .
 Chemical: Asn; Chemical: His; Chemical: Lys; Chemical: Ser; Chemical: Glu; Chemical: Trp
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: Asn; Chemical: His; Chemical: Lys; Chemical: Ser; Chemical: Glu; Chemical: Trp