Human CD79B Antibody

Catalog #: MAB6620 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB6620
MAB6620-SP

Detection of CD79B in Human Blood Lymphocytes by Flow Cytometry.

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Human CD79B Antibody Summary

Species Reactivity

Human

Specificity

Detects human CD79B in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant mouse CD79B or recombinant human CD79A is observed.

Source

Monoclonal Mouse IgM Clone # 683023

Purification

IgM-specific Affinity-purified from hybridoma culture supernatant

Immunogen

Chinese hamster ovary cell line CHO-derived recombinant human CD79B
Ala29-Asp159
Accession # P40259

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration

Sample

Flow Cytometry

2.5 µg/10⁶ cells

See below

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Flow Cytometry

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Detection of CD79B in Human Blood Lymphocytes by Flow Cytometry. Human peripheral blood lymphocytes were stained with Human CD79B Monoclonal Antibody (Catalog # MAB6620) followed by Allophycocyanin-conjugated Anti-Mouse IgM Secondary Antibody (Catalog # F0117) and Human CD19 PE-conjugated Monoclonal Antibody (Catalog # FAB4867P). Quadrant markers were set based on normal mouse IgM control antibody staining.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CD79B

CD79B, also known as Igb and B29, is a 36 kDa transmembrane glycoprotein in the immunoglobulin superfamily. It contains a single Ig‑like domain in its extracellular region (ECD) and one cytoplasmic immunoreceptor tyrosine-based activation motif (ITAM). Alternate splicing generates a short isoform that lacks nearly the entire Ig‑like domain. Heterodimers of CD79A/Iga and CD79B associate with a membrane bound immunoglobulin on the B cell surface to form the B cell antigen receptor complex (BCR). CD79A and CD79B are required for BCR-mediated signaling and consequently for the development and activation of B lineage cells. Within the ECD (aa 29-159), human CD79B shares 54% aa sequence identity with mouse CD79B.

Entrez Gene IDs

974 (Human); 15985 (Mouse); 171055 (Rat); 102145117 (Cynomolgus Monkey)

Alternate Names

B29; B29B-cell-specific glycoprotein B29; B-cell antigen receptor complex-associated protein beta chain; CD79B antigen (immunoglobulin-associated beta); CD79b antigen; CD79b molecule, immunoglobulin-associated beta; CD79B; IGB; IGBAGM6; Ig-beta; Immunoglobulin-associated B29 protein