CD79a (Ig alpha, MB1) forms disulfide-linked heterodimer with CD79b (Ig beta). They both are transmembrane proteins with extended cytoplasmic domains containing immunoreceptor tyrosine activation motives (ITAMs), and together with cell surface immunoglobulin they constitute B-cell antigen-specific receptor (BCR). CD79a and b are the first components of BCR that are expressed developmentally. They appear on pro-B cells in association with the endoplasmic reticulum chaperone calnexin. Subsequently, in pre-B cells, CD79 heterodimer is associated with lambda5-VpreB surrogate immunoglobulin and later with antigen-specific surface immunoglobulins. At the plasma cell stage, CD79a is present as an intracellular component. CD79a/b complex interacts with Src-family tyrosine kinase Lyn, which phosphorylates its cytoplasmic ITAM motives to form docking sites for downstream signaling.

Flow Cytometry Recommended dilution:5 µg/ml
Application note: intracellular staining
Immunohistochemistry Recommended dilution:10 µg/ml
Immunohistochemistry (frozen sections) Recommended dilution:10 µg/ml

For Research Use Only. Not for use in diagnostic/therapeutics procedures.

Subcellular location:	Cell membrane
Post transnational modification:	Arginine methylation in the ITAM domain may interfere with the binding of SYK. It promotes signals leading to B-cell differentiation (By similarity).
Tissue Specificity:	B-cells.
BioGrid:	107411. 53 interactions.

There are currently no product reviews Write a review on this product!