This allele produced from project TCPR0366 at TCP by injecting Cas9 mRNA and two guide RNAs with the spacer sequences AAGCCGAGTCCACAATGCGC and TGCGCAAGGCAACTATCCTA. This resulted in a 38-bp deletion of Chr2 from 118761694 to 118761731 (GRCm38). (J:165963)