13036
Out of the three putative sites ( i . e . , Tyr70 - Asp78 , Tyr82 - Glu96 , and Leu113 - Arg122 ) available on OPG for RANKL binding , Leu113 - Arg122 was used as a template for peptide synthesis .
 Tyr70, Asp78, Tyr82, Glu96, Leu113, Arg122, Leu113, Arg122
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Tyr70, Asp78, Tyr82, Glu96, Leu113, Arg122, Leu113, Arg122