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