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