Molecular Weight: 385000
Storage Buffer: 0.02M Na Phosphate; 0.15M NaCl; pH 7.4
Source: Human plasma
Extinction coefficient: 1,26
Purity: >95% by SDS-PAGE analysis
Swiss ID: P01591
Description: Secretory Immunoglobulin A 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. No reaction by IEP with antiserum to human Albumin, IgD, IgE, IgG, IgM and Lactoferrin. Prepared from human milk shown to be non reactive for HbsAG, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. >95percent pure by SDS-PAGE. Add deionized water to original volume, aliquot and freeze unused portion.