teIs113 [pie-1p::GFP::H2B::zif-13'UTR 771bp + unc-119(+)]. A 771 bp genomic sequence downstream of the zif-1 stop codon (starting immediately after the stop codon) was cloned downstream of pie-1 promoter-driven GFP::H2B in the germline expression vector pID3.01B. Superficially wild-type. Reference: Oldenbroek M, et al. Dev Biol. 2012 Mar 15;363(2):388-98.