UAS sequences drive expression of kra tagged with Tag:HA.
Scer\GAL4elav-C155/kraUAS.Tag:HA rescues kra2/kra1
Scer\GAL4sli.PS/kraUAS.Tag:HA fails to rescue kra2/kra1
Scer\GAL4repo/kraUAS.Tag:HA fails to rescue kra2/kra1