ENU-induced A to G transition at base pair 78,565,454 (v38) on chromosome 15, or base pair 7,330 in the GenBank genomic region NC_000081 encoding the gene. The mutation corresponds to residue 413 in the mRNA sequence NM_009008 within exon 4 of 7 total exons. The mutation results in an asparagine to serine substitution at position 92 (N92S) in the protein.