UAS regulates expression of a 't-peptide' comprising (from N to C terminus): a trypsin secretory signal sequence for targeting to the secretory pathway, a mature cleaved Pdf peptide sequence, a long length hydrophilic linker sequence of 40 amino acids with an embedded Tag:MYC epitope tag, and a GPI targeting sequence from lynx1 protoxin.
Scer\GAL4tim.Scer\UAS-mediated expression of PdfScer\UAS.LL.T:SS-trypsin.T:Hsap\MYC.T:GPI-lynx1 induces complex free-running circadian locomotor rhythms in flies in constant darkness.