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