ENU-induced T to A transition at base pair 15,717,801 (v38) on chromosome 16, or base pair 80,359 in the GenBank genomic region NC_000082 for Prkdc. The mutation corresponds to residue 5,047 in the mRNA sequence NM_011159 within exon 38 of 86 total exons. The mutation results in a leucine to glutamine substitution at position 1,675 (L1675Q) in the DNA-PKCS protein. (J:272520)