ENU-induced C to T transition at base pair 23,757,010 (v38) on chromosome 11, or base pair 13,961 in the GenBank genomic region NC_000077. The mutation corresponds to residue 472 in the mRNA sequence NM_009044 within exon 3 of 10 total exons. The mutation results in a threonine to isoleucine substitution at position 64 (T64I) in the c-Rel protein. (J:272801)