Exon 4 was flanked with a loxP site and a neomycin resistance cassette flanked by loxP and FRT sites. The resistance cassette was subsequently removed by expression of flp-recombinase leaving exon 4 flanked by loxP sites. (J:82809)
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Exon 4 was flanked with a loxP site and a neomycin resistance cassette flanked by loxP and FRT sites. The resistance cassette was subsequently removed by expression of flp-recombinase leaving exon 4 flanked by loxP sites. (J:82809)