This allele from IMPC was generated at Medical Research Council Harwell by injecting CAS9 RNA and 4 guide sequences CCTGAACCTCAGGAGGGACGCCC, GCAATCCCTACAATATTGGGAGG, CATAAACTATTTGTAGCAACCGG, CCTGTTTTAATGACGGCATAAAC, which resulted in a Exon Deletion. (J:237616)