8707
Interestingly , breakage of the phosphodiester bonds at the AID - initiated MBR lesions is RAG dependent , but , unexpectedly , most are also dependent on Artemis .
 Chemical: phosphodiester
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: phosphodiester