The targeting construct inserted a loxP site upstream of exon 1 and an FRT-flanked neomycin selection cassette and loxP site in the 3' UTR in exon 2. Subsequent flp-mediated recombination removed the neo cassette, leaving exons 1 and 2 floxed. (J:231297)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count