Mfg Part Number
Ab02045-10.3

Vector Labs Ab02045-10.3 Anti-Migis-alpha [29C11], Human IgG1, Fc Silent™, kappa (200 μg)

Quick Overview
The original antibody was generated by immunizing BALB/c mice with a mouse/human chimeric migis-αL-containing protein.
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Product Class:Purified
Clone ID:29C11
Heavy Chain Modification:Fc Silent™
Synonyms:Migis-α; mIgA isotype-specific extracellular peptide; extracellular membrane proximal domain of mIgA α chain
Amount:200 μg
Application Codes Clone:ELISA; IP
Shipping Temperature:Wet Ice
Buffer Composition:PBS with 0.02% Proclin 300.
Original Format:IgG1
Storage Temperature:Store at 4⁰C for up to 3 months. For longer storage, aliquot and store at -20⁰C.
Chimeric Use Statement:This chimeric human antibody was made using the variable domain sequences of the original Mouse IgG1 format, for improved compatibility with existing reagents, assays and techniques.
Specificity Statement:This antibody binds the extracellular peptide called the Migis-α consisting of 26-32 amino acids towards the N-terminal of the human membrane bound IgA, when the lipid rafts are disrupted.
Application Notes:Membrane bound IgA is associated with Igα/Igβ as the B cell receptor (BCR) complex on mIgA-expressing B cells. The α chain of mIgA (mα) contains an extracellular domain that is reported to be an antigenic site suitable for isotype-specific targeting of mIgA-expressing B cells by antibodies. The mAb binds strongly to synthetic peptides of migis-α and to various recombinant proteins containing migis-α as revealed by ELISA. Flow cytometric analysis with B cells suggested that the mAb did not bind strongly to mIgA and required a higher concentration for detection. Immunoprecipitation analysis of these mAbs indicated that mIgA could only be pulled down by 29C11 when mIgA-expressing B cells were solubilized by strong detergents, such as sodium dodecyl sulfate (SDS) or when lipid rafts are disrupted (PMID: 21723611).
More Information
Brand Vector Labs
UNSPSC 12161500