UAS regulatory sequences drive expression of the Bap170 C2 isoform.
Scer\GAL4Tub.PU/Bap170C2.UAS fails to rescue Bap170hfl1
Expression of Bap170C2.Scer\UAS under the control of Scer\GAL4tub.PU fails to rescue the lethality of Bap170hfl1 homozygotes.