ENU mutagenesis induced a T to G transversion at base pair 20030796 (v38) on chromosome 3 in the
GenBank genomic region NC_000069. The mutation corresponds to residue 272 in the mRNA sequence NM_080634 within exon 2 of 17 total exons. The mutation results in a leucine (L) to arginine (R) substitution at residue 76.