This allele from IMPC was generated at Welcome Trust Sanger Institute by injecting CAS9 RNA and 4 guide sequences CCAGTCTTCTGAGTATTGCCTAG, CCAGGACACACTTTCCATGGGTG, GTCATAATCTCAGCAAGTTCAGG, GAGCTTCAGAGCAAGATGACTGG, which resulted in a Indel. (J:237616)