Native Human Secretory Immunoglobulin A

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Native Human Secretory Immunoglobulin A

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Cat.No. : IgA-259H
Description : Secretory Immunoglobulin A (SigA) is the primary immunoglobulin on most mucosal surfaces. SigA is a polypetide complex made up of two IgA monomers, a connecting J chain, and the secretory component. Located on mucosal surfaces, SigA provides protection by preventing invasion of pathogens.
Source : Human Colostrum
Species : Human
Form : Lyophilized
Molecular Mass : MW: 385,000
Purity : >=95% by SDS-PAGE
Usage : For research or further manufacturing use only.
Quality Control Test : Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.
Storage : -20°C
Storage Buffer : 20 mM phosphate, pH 7.4, with 150 mM NaCl.

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