This allele from IMPC was generated at Institut Clinique de la Souris by injecting CAS9 RNA and 4 guide sequences CCTCTACTTTAATGACAACAGAC, ATCGGAACGCAAGCTATGTCTGG, CATGTTACCCTTGCACAATAAGG, GACTTACTGGAATTGACTCCTGG, which resulted in a Exon Deletion. (J:265051)