UASp regulatory sequences drive expression of mutant (contains mutation of 25 lysines into arginines) non-ubiquitinable shrb cDNA (DGRC clone GH13992), tagged with Tag:HA.
shrbKR.UASp.Tag:HA/Scer\GAL4VP16.nanos.UTR rescues shrbG5
shrbKR.UASp.Tag:HA/Scer\GAL4VP16.nanos.UTR fails to rescue shrbG5