AACT antibody, ACT antibody, GIG25 antibody, A1AT antibody, PI antibody, alpha-1-PI antibody, A1A antibody, AAT antibody, PI1 antibody, PRO2275 antibody, alpha1AT antibody, Pi antibody, Spi1 antibody, MGC64429 antibody, serpina1d antibody, Aps antibody, SERPINA3-5 antibody, serpin family A member 3 antibody, alpha-1-antiproteinase F precursor antibody, serpin family A member 1 antibody, alpha-1-antitrypsin antibody, calumenin antibody, serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 1 S homeolog antibody, serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 1 antibody, serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 5 antibody, SH2B adaptor protein 2 antibody, serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 3 antibody, serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 1 L homeolog antibody, SERPINA3 antibody, LOC100008973 antibody, SERPINA1 antibody, LOC100328621 antibody, CALU antibody, Serpina1 antibody, serpina1.S antibody, serpina1 antibody, SPIA5 antibody, Sh2b2 antibody, Calu antibody, serpina1.L antibody
Background
Alpha 1 Antitrypsin is a plasma protein synthesised in the liver. It consists of a single polypeptide chain and has a molecular weight of 52 kDa. A serine protease inhibitor, its primary function is the protection of lung tissue from the action of neutrophil elastase. The average level of alpha 1 Antitrypsin in plasma is 1.3 g/l.Synonyms: AAT, Alpha-1 protease inhibitor, Alpha-1-antiproteinase, SERPINA1