Exon 4 was flanked by a loxP site and a loxP-flanked Neo cassette was inserted into intron 4. The neo cassette was removed via cre-mediated recombination leaving exon 4 floxed. (J:237046)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count