LoxP sites flank exon 3. The 3' loxP site retained in the floxed ES cell line used to generate chimeric mouse includes a point mutant which reduces the efficiency of in vivo recombination ~50%. (J:117330)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count