UASp regulatory sequences drive expression of a mutant form of sra lacking amino acids 212-221.
Scer\GAL4VP16.nanos.UTR/sraΔ212-221.UASp fails to rescue sraKO
sraΔ212-221.Scer\UAS.P\T driven by Scer\GAL4nos.UTR.T:Hsim\VP16 fails to restore female fertility or meiotic phenotype in sraKO homozygotes.