Antitrypsin Activated Protein C (APC-AAT complexes, alpha1 Proteinase Inhibitor, alpha1 PI, native and denatured)

May be stored at 4 °C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Freeze at -20 °C. Aliquots are stable for at least 12 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Has specificity for a conformation-dependent neoepitope that is expressed in activated protein C upon complex-formation with a1-antitrypsin. No reaction is seen to non-complexed a1-antitrypsin and only very little cross reaction to protein C zymogen. Note that specificity is calcium dependent.

[alpha-1-antichymotrypsin; Alpha-1-antichymotrypsin; alpha-1-antichymotrypsin; serpin A3; growth-inhibiting protein 24; growth-inhibiting protein 25; cell growth-inhibiting gene 24/25 protein; serine (or cysteine) proteinase inhibitor, clade A, member 3; serpin peptidase inhibitor, clade A (alpha-1 antiproteinase, antitrypsin), member 3; Cell growth-inhibiting gene 24/25 protein; Serpin A3]