This allele from IMPC was generated at Helmholtz-Zentrum Muenchen by injecting CAS9 Protein and 4 guide sequences CCAGTCGTACTTGATCAGCAAAT, CCAGTTCAGCATCACCCAATGTA, CCATAATCTGCATGACACCCATG, CTGTAAAGCCCAGCGGCGCCTGG, which resulted in a Indel. (J:265051)