LoxP sites were inserted around exon 4 and an FRT-flanked neo cassette was inserted in intron 3. Flp-mediated recombination removed the neo cassette leaving exon 4 floxed. (J:287871)
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LoxP sites were inserted around exon 4 and an FRT-flanked neo cassette was inserted in intron 3. Flp-mediated recombination removed the neo cassette leaving exon 4 floxed. (J:287871)