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AB312151

Alexa Fluor® 555 Anti-CD20 antibody [EP459Y]

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Rabbit Recombinant Monoclonal CD20 antibody - conjugated to Alexa Fluor® 555. Suitable for Flow Cyt (Intra), ICC/IF, IHC-P and reacts with Human samples.

View Alternative Names

CD20, MS4A1, B-lymphocyte antigen CD20, B-lymphocyte surface antigen B1, Bp35, Leukocyte surface antigen Leu-16, Membrane-spanning 4-domains subfamily A member 1

1 Images
Flow Cytometry (Intracellular) - Alexa Fluor® 555 Anti-CD20 antibody [EP459Y] (AB312151)
  • Flow Cyt (Intra)

Supplier Data

Flow Cytometry (Intracellular) - Alexa Fluor® 555 Anti-CD20 antibody [EP459Y] (AB312151)

Flow cytometric (intracellular) analysis of 4% paraformaldehyde-fixed, 90% methanol permeabilized HEK-293 (human embryonic kidney epithelial cell, left) / Ramos (human Burkitt's lymphoma B lymphocyte, right) cell lines labelling CD20 with ab312151 at 1/5000 dilution (red) compared with Rabbit IgG monoclonal [EPR25A] - Isotype Control (Alexa Fluor® 555) (ab208569) (black) and an unlabelled control (cell without incubation with primary antibody and secondary antibody) (blue).

10% Goat serum was used as a blocking agent.

Negative control : HEK-293.

  • 519 Alexa Fluor® 488

    Alexa Fluor® 488 Anti-CD20 antibody [EP459Y]

  • 665 Alexa Fluor® 647

    Alexa Fluor® 647 Anti-CD20 antibody [EP459Y]

  • 578 PE

    PE Anti-CD20 antibody [EP459Y]

  • 660 APC

    APC Anti-CD20 antibody [EP459Y]

  • HRP

    HRP Anti-CD20 antibody [EP459Y]

  • 617 Alexa Fluor® 594

    Alexa Fluor® 594 Anti-CD20 antibody [EP459Y]

  • 603 Alexa Fluor® 568

    Alexa Fluor® 568 Anti-CD20 antibody [EP459Y]

  • 519 FITC

    FITC Anti-CD20 antibody [EP459Y]

  • Unconjugated

    Anti-CD20 antibody [EP459Y]

  • Carrier free

    Anti-CD20 antibody [EP459Y] - BSA and Azide free

  • Carrier free

    Anti-CD20 antibody [EP459Y] - Low endotoxin, Azide free

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EP459Y

Isotype

IgG

Conjugation

Alexa Fluor® 555

Excitation/Emission

Ex: 555nm, Em: 565nm

Carrier free

No

Reacts with

Human, Human

Applications

Flow Cyt (Intra), IHC-P, ICC/IF

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

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Complementary Products

Assay Kits

AB285273

Human CD20 ELISA Kit

Sandwich ELISA - Human CD20 ELISA Kit (AB285273)

  • 0
  • 0
Primary Antibodies

AB196147

Alexa Fluor® 647 Anti-CD4 antibody [EPR6855]

RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 647 Anti-CD4 antibody [EPR6855] (AB196147)

  • 5
  • 1
Primary Antibodies

AB208514

Alexa Fluor® 555 Anti-CD3D antibody [EP4426]

BOND RX™ Validated|RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 555 Anti-CD3D antibody [EP4426] (AB208514)

  • 4
  • 2
Primary Antibodies

AB201825

Alexa Fluor® 647 Anti-PD1 antibody [EPR4877(2)]

RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 647 Anti-PD1 antibody [EPR4877(2)] (AB201825)

  • 5
  • 1
Primary Antibodies

AB281930

Alexa Fluor® 594 Anti-CD21 antibody [EP3093]

RabMAb|Recombinant

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Alexa Fluor® 594 Anti-CD21 antibody [EP3093] (AB281930)

  • 0
  • 0
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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "FlowCytIntra" : {"fullname" : "Flow Cytometry (Intracellular)", "shortname":"Flow Cyt (Intra)"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "FlowCytIntra-species-checked": "testedAndGuaranteed", "FlowCytIntra-species-dilution-info": "1/5000", "FlowCytIntra-species-notes": "<p></p>", "ICCIF-species-checked": "guaranteed", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "<p></p>", "IHCP-species-checked": "guaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>" } } }
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Product details

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

How are conjugated primary antibodies validated?
This conjugated primary antibody is released using a quantitative quality control method that evaluates binding affinity post-conjugation and efficiency of antibody labeling.
For suitable applications and species reactivity, please refer to the unconjugated version of this clone.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle|Store in the dark
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

CD20 also known as MS4A1 or L26 is a membrane-spanning 4-domains subfamily A member 1 protein. It is a non-glycosylated phosphoprotein with a molecular mass of approximately 33-37 kDa. Expressed extensively on the surface of B-cells CD20 plays an important role in B-cell activation and regulation. While CD20 is absent on early pro-B cells and plasma cells its presence increases as B-cells mature. Anti-CD20 antibodies such as 2H7 are commonly used in research and treatment to deplete B-cells due to the target's consistent expression in most stages of B-cell development.
Biological function summary

CD20 contributes significantly to calcium ion transport which is essential for the activation process of B-cells. Although CD20 does not belong to a larger protein complex its role centers around forming a calcium channel that allows a sustained influx of calcium into the B-cells. This influx is important for the signaling pathways that govern B-cell activation proliferation and differentiation impacting the immune response efficacy.

Pathways

CD20 is closely involved in the B-cell receptor (BCR) signaling pathway and the Fc gamma R-mediated phagocytosis pathway. These pathways play vital roles in adaptive immunity and immune response modulation. CD20's interaction with proteins like PI3K during BCR signaling enhances receptor-mediated cellular signals subsequently influencing downstream effectors involved in cell growth and survival of B-cells.

CD20 is strongly linked to certain blood cancers and autoimmune diseases including non-Hodgkin's lymphoma and rheumatoid arthritis. These conditions often exploit aberrant B-cell activity or count. CD20's expression on malignant B-cells in non-Hodgkin's lymphoma makes it an effective target for monoclonal antibody therapies such as rituximab an anti-CD20 antibody. Additionally CD20-targeted therapies can help deplete pathogenic B-cells in rheumatoid arthritis highlighting the protein's relevance in disease treatment.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

B-lymphocyte-specific membrane protein that plays a role in the regulation of cellular calcium influx necessary for the development, differentiation, and activation of B-lymphocytes (PubMed : 12920111, PubMed : 3925015, PubMed : 7684739). Functions as a store-operated calcium (SOC) channel component promoting calcium influx after activation by the B-cell receptor/BCR (PubMed : 12920111, PubMed : 18474602, PubMed : 7684739).
See full target information MS4A1
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com