Secretory Immunoglobulin A (sIgA)

Product Name	Secretory Immunoglobulin A
Source	Human Colostrum
Catalogue Number	527-55
Purity	> 95% (SDS-PAGE)
Form	Lyophilized
Protein	Reported in mg/vial (A₂₇₈ E^0.1%=1.26)
Cross-Reactivity	Non-reactive with antisera to human albumin, IgD, IgE, IgG, IgM, and lactoferrin (IEP)
Formulation	Lyophilized from 20 mM sodium phosphate and 150 mM sodium chloride, pH 7.4.
Related Products	340-13 - IgA antigen from human plasma - Liquid 340-12 - IgA antigen from human plasma - Lyophilized 340-35 - IgM antigen from human myeloma plasma
Storage	-20°C
Recertification	3 years
Infectious Disease Testing	Negative or non-reactive at the donor level for anti-HIV 1 and 2, anti-HCV and HBsAg by FDA approved methods.
Synonyms	sIgA
Molecular Weight	~385,000