This allele from IMPC was generated at Medical Research Council Harwell by injecting CAS9 RNA and 4 guide sequences CCACTTGTTTTATCATCGAGATT, AATATCTAGTATTTTTTGCCAGG, CCTTTACTCTCAGACAAGTCCTG, AACCTCTCCAATCACTCACCAGG, which resulted in a Exon Deletion. (J:237616)