ENU-induced G to T transversion at base pair 23,757,026 (v38) on chromosome 11, or base pair 13,945 in the GenBank genomic region NC_000077. The mutation corresponds to residue 456 in the mRNA sequence NM_009044 within exon 3 of 10 total exons. The mutation results in substitution of glycine 59 for a premature stop codon (G59*) in the c-Rel protein. (J:272778)