Expression of ATP7 cDNA (amplified from S2 cell cDNA with primers: F1 5' gaGGTACCatgtccacggtgcgcctgcc 3' and R1 5' gcTCTAGAcagcttttgcagttcggtAct 3'), fused in frame at the c-terminus to the epitope flag Tag:FLAG, is under the control of UASt sequences.