This allele produced from project TCPR0357 at TCP by injecting Cas9 mRNA and two guide RNAs with the spacer sequences GTAGGATTGTTCCCAGCGTT and TCCTGCATAATTAACCCCGG targeting ENSMUSE00000355972. This resulted in a 634-bp deletion of Chr5 from 88501699 to 88502332 (GRCm38). (J:165963)