This allele from IMPC was generated at Bayor College of Medicine by injecting CAS9 Protein and 4 guide sequences CCATCTTCATCCTCTAGGTTTAG, CCCGCCAGGGCTAGGGCGGTTGG, CCTCTCATGCCCGCCAGGGCTAG, CCTCTAGGTTTAGAGGTTGCTGG, which resulted in a Whole-gene deletion. (J:265051)