This allele from IMPC was generated at Welcome Trust Sanger Institute by injecting CAS9 RNA and 4 guide sequences GGTTGATTTCGGCCCCTGGAAGG, ATGTTTCCTTAGCTCTACTGTGG, CCATGAAGAGGGGGCTTGTCACT, AGCGGCTCGAGAGATGAAGAAGG, which resulted in a Indel. (J:237616)