Enables enzyme binding activity. Predicted to be involved in removal of superoxide radicals. Predicted to act upstream of or within positive regulation of oxidoreductase activity. Predicted to be located in cytoplasm and nucleus. Human ortholog(s) of this gene implicated in amyotrophic lateral sclerosis. Orthologous to human CCS (copper chaperone for superoxide dismutase). [provided by Alliance of Genome Resources, Apr 2022]