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Target

Host

Species Reactivity

Species Reactivity

Conjugate

Conjugate

Cardinal Red™ Anti-Human CD21 (BU32)

CD21 Monoclonal Antibody for FC

Host / Isotype

Mouse / IgG1, kappa

Reactivity

Human

Applications

FC

Conjugate

Cardinal Red™ Fluorescent Dye

CloneNo.

BU32

Cat no : CR-65198

Synonyms

C3DR, CD21, Complement C3d receptor, Complement receptor type 2, CR2, EBV receptor, Epstein Barr virus receptor, SLEB9

Validation Data Gallery

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  • Flow cytometry (FC) experiment of human PBMCs using Cardinal Red™ Anti-Human CD21 (BU32) (CR-65198)

    FC experiment of human PBMCs using CR-65198

    1X10^6 human PBMCs were surface co-stained with FITC Anti-Human CD19 and 5 ul Cardinal Red™ Anti-Human CD21 (CR-65198, Clone:BU32) or Mouse IgG1 Isotype Control. Cells were not fixed. Lymphocytes were gated.

  • Flow cytometry (FC) experiment of human PBMCs using Cardinal Red™ Anti-Human CD21 (BU32) (CR-65198)

    FC experiment of human PBMCs using CR-65198

    1X10^6 human PBMCs were surface stained with 5 ul Cardinal Red™ Anti-Human CD21 (CR-65198, Clone:BU32) (red) or Mouse IgG1 Isotype Control. Cells were not fixed. Lymphocytes were gated.

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Tested Applications

Positive FC detected inhuman PBMCs

Recommended dilution

ApplicationDilution
This reagent has been pre-titrated and tested for flow cytometric analysis. The suggested use of this reagent is 5 ul per 10^6 cells in a 100 µl suspension or 5 ul per 100 µl of whole blood.
Sample-dependent, Check data in validation data gallery.

Product Information

CR-65198 targets CD21 in FC applications and shows reactivity with Human samples.

Tested Reactivity Human
Host / Isotype Mouse / IgG1, kappa
Class Monoclonal
Type Antibody
Immunogen N/A 相同性解析による交差性が予測される生物種
Full Name complement component (3d/Epstein Barr virus) receptor 2
Calculated molecular weight 1092 aa, 119 kDa
GenBank accession numberBC136394
Gene symbol CD21
Gene ID (NCBI) 1380
Conjugate Cardinal Red™ Fluorescent Dye
Excitation/Emission maxima wavelengths592 nm / 611 nm
Form Liquid
Purification MethodAffinity purification
Storage Buffer PBS with 0.09% sodium azide and 0.5% BSA.
Storage ConditionsStore at 2-8°C. Avoid exposure to light. Stable for one year after shipment.

Background Information

CD21, also known as complement receptor type 2 (CR2), complement C3d receptor, and Epstein-Barr virus receptor, is a transmembrane protein that contains a small cytoplasmic domain, a transmembrane region and an extracellular domain consisting of 15 tandem short consensus repeat sequences (PMID: 6230668; 2551147). It is expressed on B cells, follicular dendritic cells, thymocytes and a subset of peripheral T cells (PMID: 26119182). CD21 binds complement fragments C3d, C3dg and iC3b and acts as a receptor for the Epstein-Barr virus (PMID: 7753047). On B cells, together with CD19 and CD81, CD21 forms a complex that functions as a co-receptor to the BCR (PMID: 7542009). It is involved in B cells activation and functions.

Protocols

Product Specific Protocols
FC protocol for Cardinal Red™ CD21 antibody CR-65198Download protocol
Standard Protocols
Click here to view our Standard Protocols