Genetics
The gene is located on the long arm of the fourteenth chromosome (14q32.1).
Over 100 different variants of α1-antitrypsin have been described in various populations. North-Western Europeans are most at risk for carrying one of the most common mutant forms of A1AT, the Z mutation (Glu342Lys on M1A, rs28929474).
Read more about this topic: Alpha 1-antitrypsin
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