9787
In these binding models , compound 1 may bind into the active site of both isoforms showing important short contacts with the peroxisome proliferator - activated receptor gamma residues : Tyr 473 , His 449 , Ser 289 , His 323 ; and peroxisome proliferator - activated receptor alpha residues : Tyr 464 , His 440 , Ser 280 and Tyr 314 .
 Chemical: Tyr; Chemical: His; Chemical: Ser; Chemical: His; Chemical: Tyr; Chemical: His; Chemical: Ser; Chemical: Tyr
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: Tyr; Chemical: His; Chemical: Ser; Chemical: His; Chemical: Tyr; Chemical: His; Chemical: Ser; Chemical: Tyr