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