Human MS4A1/CD20 APC-conjugated Antibody

Name: Human MS4A1/CD20 APC-conjugated Antibody
Brand: R&D Systems
SKU: FAB4225A

Catalog #: FAB4225A Datasheet / COA / SDS

Newer Version Available: FAB4225R

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Discontinued Product

FAB4225A has been discontinued and is replaced by FAB4225R.

Detection of MS4A1/CD20 in Human Peripheral Blood Lymphocytes by Flow Cytometry.

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Human MS4A1/CD20 APC-conjugated Antibody Summary

Species Reactivity

Human

Specificity

Detects human MS4A1/CD20. Stains human MS4A1/CD20 transfectants but not irrelevant transfectants.

Source

Monoclonal Mouse IgG₁ Clone # 396444

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

NS0 mouse myeloma cell line transfected with human MS4A1/CD20
Met1-Pro297
Accession # P11836

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Label

Allophycocyanin (Excitation= 620-650 nm, Emission= 660-670 nm)

Applications

Recommended Concentration

Sample

Flow Cytometry

10 µL/10⁶ cells

See below

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 MS4A1/CD20 in Human Peripheral Blood Lymphocytes by Flow Cytometry. Human peripheral blood lymphocytes were stained with Mouse Anti-Human CD19 PE-conjugated Monoclonal Antibody (Catalog # FAB4867P) and either (A) Mouse Anti-Human MS4A1/CD20 APC-conjugated Monoclonal Antibody (Catalog # FAB4225A) or (B) Mouse IgG₁Allophycocyanin Isotype Control (Catalog # IC002A). View our protocol for Staining Membrane-associated Proteins.

Flow Cytometry

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Detection of MS4A1/CD20 in HEK293 Human Cell Line Transfected with Human MS4A1/CD20 and eGFP by Flow Cytometry. HEK293 human embryonic kidney cell line transfected with human MS4A1/CD20 and eGFP was stained with either (A) Mouse Anti-Human MS4A1/CD20 APC-conjugated Monoclonal Antibody (Catalog # FAB4225A) or (B) Mouse IgG₁Allophycocyanin Isotype Control (Catalog # IC002A). View our protocol for Staining Membrane-associated Proteins.

Reconstitution Calculator

Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store the unopened product at 2 - 8° C. Do not use past expiration date. Protect from light.

Background: CD20

CD20 is a 297 amino acid (aa) non-glycosylated type III membrane protein that is the founding member of the MS4A tetraspanning protein family. It is expressed on pre-B, naïve and mature B lymphocytes and B-cell lymphomas. CD20 is associated with lipid rafts upon crosslinking, and appears to play a role in regulation of ion influx. The one extracellular segment of 48 aa shows 65% aa identity between human and mouse CD20.

Long Name

Cluster of Differentiation 20

Entrez Gene IDs

931 (Human); 12482 (Mouse); 25316 (Rat); 485430 (Canine); 102118491 (Cynomolgus Monkey)

Alternate Names

B1; B-lymphocyte antigen CD20; B-lymphocyte cell-surface antigen B1; B-lymphocyte surface antigen B1; Bp35; Bp35MGC3969; CD20 antigen; CD20 receptor; CD20; CD20S7; CVID5; LEU-16; Leukocyte surface antigen Leu-16; Ly-44; Membrane-spanning 4-domains subfamily A member 1; membrane-spanning 4-domains, subfamily A, member 1; MS4A1; MS4A2; S7