This allele was generated at The Jackson Laboratory by electroporating Cas9 protein and 2 guide sequences CAGAGGTAGACAGTTGGGTT and TGCCACCCAAGTGTTGCCAC, which resulted in a 1357 bp deletion beginning at Chromosome 3 position 126,438,048 bp and ending after 126,439,404 bp (GRCm38/mm10). This mutation deletes 1357 bp of ENSMUSE00000586952 (exon 2) and is predicted to cause a change of amino acid sequence after residue 147 and early truncation 7 amino acids later.