The genomic sequence of Ctr1B, including upstream metal response elements and introns and the complete coding sequence, is fused upstream of a EGFP tag.
Ctr1BAH3.EGFP rescues Ctr1B3-4
The presence of Ctr1BAH3.T:Avic\GFP-EGFP in a Ctr1B3-4 mutant background rescues the lethality in a low-copper environment.