UASt regulatory sequences drive expression of an inverted repeat.
lethal - all die during first instar larval stage, with Scer\GAL4btl.PS
embryonic/larval tracheal section | embryonic stage 17, with Scer\GAL4btl.PS
Expressing tprKK107228 under the control of Scer\GAL4btl.PS leads to stage 17 embryos failing to clear liquid from the trachea.