Phenotype is weaker than that of Itp-r83A05616 parental allele.
Itpr1664GAL4 has abnormal developmental rate phenotype, non-suppressible by Mmus\PrkacamC.UAS/Scer\GAL4Itpr-1664GAL4
Itpr1664GAL4/Itpr05616 is an enhancer of abnormal developmental rate phenotype of Pka-R1BDK.UAS, Scer\GAL4Itpr-1664GAL4
Itpr90B.0/Itpr1664GAL4, Pka-R1BDK.UAS, Scer\GAL4Itpr-1664GAL4 has lethal phenotype
The developmental delay of Itp-r83A90B.0/Itp-r83A1664GAL4 transheterozygotes is not affected by P{UAS-PKA.mC} expression.