This allele from project TCPR0237 was generated at the Toronto Centre for Phenogenomics by injecting Cas9 D10A mRNA and a single guide RNA with the spacer sequence TCATGTCCCTCAGACGGCAC. This resulted in a 8 bp insertion TCCAGTGT at Chromosome 10 positive strand 84632456 bp (GRCm38) and is predicted to cause a frameshift mutation with early truncation. c.305_306insTCCAGTGT; p.R103Pfs*3. (J:265051)