9052
Structural studies with R283K pol beta show that the binary DNA complex has 8 - oxoG in equilibrium between anti - and syn - forms .
 Chemical: 8 - oxoG
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: 8 - oxoG