This allele from IMPC was generated at Helmholtz-Zentrum Muenchen by injecting CAS9 Protein and 4 guide sequences AGAGCACACGCATAGTGATTAGG, CCGACTGCGACTCAGCCCATAGA, GCGTCATGGTGGCCCCACTCAGG, CCCCCAGGACGGTAGTGGGGCTG, which resulted in a Exon Deletion. (J:265051)