The C-terminal region from amino acid 438 has been deleted.
eye | increased number | ventral, with Scer\GAL4dpp.blk1
Expression of eyg438.Scer\UAS, under the control of Scer\GAL4dpp.blk1, causes an extra ventral eye in about 10% of flies.
eyg438.UAS/Scer\GAL4eyg-22-2 rescues eyg22-2/eygM3-12