This allele from IMPC was generated at Welcome Trust Sanger Institute by injecting CAS9 RNA and 4 guide sequences TCTAGCAAGGCCGTGCTCTTTGG, CCAAGCTGAACCCTGTATTATGC, CCTTCCAAGAATATAGTATAGTT, CCTGAAATTAGTTCTATACGATA, which resulted in a Exon Deletion. (J:237616)