This allele from IMPC was generated at Medical Research Council Harwell by injecting CAS9 Protein and 4 guide sequences GCAAGCGCGGGCATCGCACTAGG, CCTCTACTTAGCCTGATGGGCGT, CGGGCATCGCACTAGGCATCGGG, ACTTAGCCTGATGGGCGTCCTGG, which resulted in a Indel. (J:265051)