13017
This study confirmed that the Z alpha ( ADAR1 ) first binds to an 8 - bp CG - rich DNA segment via a unique conformation during B - Z transition and the neighboring AT - rich region becomes destabilized .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None