ENU-induced G to A transition at base pair 113,773,388 (v38) on chromosome 6, or base pair 269,226 in the GenBank genomic region NC_000072. The mutation corresponds to residue 2,502 in the mRNA sequence NM_009723 (variant 1) within exon 13 of 22 total exons. The mutation results in an arginine to histidine substitution at position 625 (R625H) in the plasma membrane calcium (Ca2+)-ATPase, type 2 (PMCA2) protein (isoform 1).