10104
In the crystal structure , a significant motion of loop A was observed between AR and V301L AKR1B10 , linked to a Phe - 122 / Phe - 123 side chain displacement .
 Chemical: Phe; Chemical: Phe
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: Phe; Chemical: Phe