Amino acid replacements within the "Shadow" pair of predicted general subtilisin-like proprotein convertase cleavage sites (amino acid replacements R276G and R277A).
scwR276G.R277A.Tag:FLAG partially rescues scw5/Df(2L)OD16
scwR276G.R277A.T:Zzzz\FLAG rescues the lethality of scw5/Df(2L)OD16 with 44% of the expected progeny surviving to adulthood.