This allele from IMPC was generated at Medical Research Council Harwell by injecting CAS9 RNA and 4 guide sequences CGGGGCCTAATCTGCGGTGTGGG, CCAGTCTGTTCAACACAAGAGTT, GGTGAAGAAGAGTCGATAGCAGG, GAACACAACAACATCACACGTGG, which resulted in a Exon Deletion. (J:265051)