This allele from IMPC was generated at Medical Research Council Harwell by injecting CAS9 Protein and 4 guide sequences CCACTTGCTAAGACTCTGCCCCA, CCCAAGTGGAGTGGAGCAACAAC, CCTAAAAGCACCTCAGCTGACTG, GACTGGAGGGATATCCTGAGGGG, which resulted in a Exon Deletion. (J:265051)