knuSi221 [fib-1p::fib-1(genomic)::eGFP::fib-1 3' UTR + unc-119(+)]. Single copy insertion. fib-1 promoter, genomic sequence, and 3'UTR was inserted into pCFJ151 (ttTi5606) targeting vector and inserted into ttTi5605. Allen AK, Nesmith JE, and A Golden. 2014 G3:4(12)2329-43.