An AGG to CAG change resulting in an arginine to glutamine substitution at amino acid 2971 (p.R2971Q) was introduced in exon 24. A loxP-PGK-Tn5-neomycin-bp(A)-loxP site cassette was inserted in intron 24. The neomycin cassette was removed via cre-mediated recombination. This is equivalent to R3052Q in human BRCA2. (J:342841)