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