Variants
A single nucleotide polymorphism (SNP) in ADH1B is rs1229984, that changes arginine to histidine at residue 47. The 'typical' variant of this has been referred to as ADH2(1) or ADH2*1 while the 'atypical' has been referred to as, e.g., ADH2(2), ADH2*2, ADH1B*47his, or ADH1B arg47-to-his. This SNP may be related to alcohol consumption with the atypical genotype having reduced risk of alcoholism.
Another SNP is Arg369Cys.
Read more about this topic: ADH1B
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