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MW: 160,000
Extinction Coefficient: 1.32

Frozen in 10 mM phosphate, pH 7.4, with 150 mM NaCl and 0.05% NaN3.

In normal adult serum, the approximate percentage composition of IgA with respect to is subclasses is IgA1:90% and IgA2:10%. In secretory IgA, the subclass proportions may approach 50:50. The clinical significance of the subclasses has yet to be determined.

Storage: <= -20°C

Purity: >=95% by SDS-PAGE. No reaction by IEP to IgA1 antiserum.

Prepared from plasma shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.

Athens Research & Technology products are laboratory reagents and are not to be administered to humans or used for any drug purpose. For research or further manufacturing use only.