This allele was generated at The Jackson Laboratory by electroporating Cas9 protein and 2 guide sequences TTAGCTTGTGGCAGTAACAC and TGTCCACGAGTGGCAATCAA, which resulted in a 358 bp deletion beginning at Chromosome 10 position 81,305,085 bp and ending after 81,305,442 bp (GRCm39/mm39). This mutation deletes ENSMUSE00001294357 (exon 5) and 278 bp of flanking intronic sequence including the splice acceptor and donor and is predicted to cause a change of amino acid sequence after residue 137 and early truncation 13 amino acids later. There is a 2bp insertion (AG) at the deletion site. (J:188991)