Genomic fragment containing GluRIIB.
The quantal size at the neuromuscular junction is larger in Df(2L)SP22 larvae rescued with GluRIIA+tg than in Df(2L)SP22 larvae rescued with GluRIIB+tg.
GluRIIB+tg rescues Df(2L)AD1
GluRIIB+tg rescues Df(2L)SP22
Rescues the lethality of Df(2L)SP22 or Df(2L)AD1.