29540
Together , the information on both hCCS and hSOD1 , along with a sequence analysis of eukaryotic CCSD1 , allows us to propose important mechanistic aspects regarding the copper - transfer process from hCCS to 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