This allele from IMPC was generated at Medical Research Council Harwell by injecting CAS9 RNA and 4 guide sequences TGACACCTGGCTGGGAGCAAAGG, TGGAGTCAGCGCAGATCTGCCGG, AGTGATGTATTCTTGGACCCAGG, TAGTCAACGATGAATTGGCGTGG, which resulted in an intragenic deletion. (J:237616)