A loxP site was inserted upstream of exon 4. An FRT- and loxP-flanked neomycin resistance cassette was inserted downstream of exon 4. Flp-mediated recombination removed the neomycin resistance cassette and left exon 4 floxed. (J:201429)
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A loxP site was inserted upstream of exon 4. An FRT- and loxP-flanked neomycin resistance cassette was inserted downstream of exon 4. Flp-mediated recombination removed the neomycin resistance cassette and left exon 4 floxed. (J:201429)