ENU mutagenesis induced a T to A transversion at base pair 20012796 (v38) on Chromosome 3 in the
GenBank genomic region NC_000069. The mutation corresponds to residue 2046 in the mRNA sequence NM_080634 within exon 11 of 17 total exons. The mutation results in a cysteine (C) to premature stop codon substitution at residue 667.