UAS sequences regulate expression of a deleted form of als that lacks the UBX domain. Silent mutations have been introduced to render the transgene insensitive to RNAi mediated by either M{10xUAS-als.RNAi.3-ORF} or M{5xUAS-als.RNAi.3-ORF}.
amlsΔUBX.3-ORF-RR.UAS/Scer\GAL4vg.PU rescues amlsRNAi.5xUAS.3-ORF