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