CRISPR/cas9 mediated recombination using guide RNAs targeting exons 2, 6, and 10 (ATTGTGGGTCTTTATCGCACAGG, CTCAAACATTCAATCTACCGCGG, and CTGCCCGGCTCGAAGCACAGAGG) resulted in a 7,268 bp deletion (GRCm39:chr3:142206457-142213724, c.140_1517del). (J:343418)