29536
Superoxide dismutase 1 ( SOD1 ) maturation within the cell is mainly accomplished with the SOD1 - specific chaperone , CCS , a dimeric protein with three distinct domains in each monomer .
 Chemical: Superoxide
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: Superoxide