Description: The monoclonal antibody HM47 recognizes the cytoplasmic domain of CD79a, also known as mb-1. CD79a is a 47 kDa membrane glycoprotein that associates with CD79b to form the heterodimeric B cell receptor (BCR). This receptor is responsible for B cell signaling, resulting in activation, apoptosis or anergy. Expression of CD79a is found throughout development from the earliest pre-B cell to plasma cells. CD79 is expressed on B cell neoplasms and some non-B cell malignancies such as AML. Unlike other antibodies that can be masked in B cell neoplastic cells, HM47 is a reliable antibody for recognizing CD79a and, as such, is a good marker for B cells. Because several variants of CD79a exist, the exact location of the epitope may differ slightly. Nevertheless, in humans thie epitope is typically amino acids 208-222.
The HM47 antibody reacts to human, mouse, rat, dog, primates (rhesus, chimpanzee, macaque and baboon) pig, guinea rabbit, pig, horse, cow and chicken.
Applications Reported: This HM47 antibody has been reported for use in intracellular staining followed by flow cytometric analysis.
Applications Tested: This HM47 antibody has been pre-titrated and tested by intracellular staining and flow cytometric analysis of normal human peripheral blood cells. This can be used at 5 µL (0.06 µg) per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.
Excitation: 488-561 nm; Emission: 578 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser.
Filtration: 0.2 µm post-manufacturing filtered.
CD79a is a disulphide-linked heterodimer that includes B29 (CD79b) polypeptide. CD79a is a B lymphocyte antigen receptor with an antigen-specific surface component Ig (immunoglobulin) that associates with Ig-alpha and Ig-beta, necessary elements for the expression and function of the B-cell antigen receptor. CD79a first appears at pre-B cell stage and persists until the plasma cell stage where it is found as an intracellular component. CD79a is found in the majority of acute leukemias of precursor B cell type, in B cell lines, B cell lymphomas, and in some myelomas. It is not present in myeloid or T cell lines. Diseases associated with CD79a include Agammaglobulinemia 3 and Agammaglobulinemia, Non-Bruton type.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: B-cell antigen receptor complex-associated protein alpha chain; B-cell antigen receptor complex-associated protein alpha chain-like; CD79; CD79-alpha protein; CD79a; CD79A antigen (immunoglobulin-associated alpha); CD79a molecule, immunoglobulin-associated alpha; Ig alpha; Ig-alpha; immunoglobulin-associated alpha; MB-1 membrane glycoprotein; Membrane-bound immunoglobulin-associated protein; Surface IgM-associated protein
Gene Aliases: CD79A; EGK_10665; IG-alpha; IGA; Igalpha; Ly-54; Ly54; MB-1; MB1
Molecular Function: immunoglobulin receptor superfamily