This allele from IMPC was generated at Welcome Trust Sanger Institute by injecting CAS9 RNA and 4 guide sequences CCACTTTATAACCCCTGCTGTAT, CCAATGCTTACTGGAGTCCTCTA, GAAATCTTAGCTACCATATCTGG, CCATACCTTAGAGACAAGTCTGG, which resulted in a Exon Deletion. (J:265051)