29537
We recently showed that the first domain of human CCS ( hCCSD1 ) is responsible for copper transfer to its protein partner , human SOD1 ( hSOD1 ) .
 Chemical: copper
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: copper