A loxP site was inserted upstream of exon1 and an FRT flanked PGK-neo cassette followed by a second loxP site was inserted in intron 3. The selection cassette was removed from properly targeted mice using flp recombinase leaving exons 1-3 flanked by loxP sites. (J:184667)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count