UASt regulatory sequences drive expression of Abd-B-m carrying mutation of the W residue in the stretch of amino acids flanking the homeodomain N-terminally (EWTGQVS).
Abd-BW.UAS/Scer\GAL4Abd-B-LDN partially rescues Abd-BM1/Abd-BLDN
Abd-BW.UAS/Scer\GAL4Abd-B-MD761 partially rescues Abd-BMD761/Abd-BM1