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CD21 Antibodies

(Complement Component (3d/Epstein Barr Virus) Receptor 2 (CR2))

Choose one of 306 CD21 antibodies from our product listing based on 21 publications and 93 validation images.

Explore reliable CD21 antibodies from a broad selection of renowned manufacturers. Our portfolio enables accurate CD21 detection across multiple species, including Human, Mouse, Pig, Cow, Rat, Dog, Goat, Sheep, African buffalo (Syncerus caffer), Horse, Cat, Monkey, Mule deer (Odocoileus hemionus), Red Deer, and supports diverse research applications such as FACS, IHC, WB, ELISA, IF.

Quickly find the right antibody using our search, filter, and comparison tools. Each product page provides detailed validation data, literature references, and customer feedback. Unlike comparison-only resources, you can conveniently purchase antibodies directly through our site. Choose from polyclonal, monoclonal, or recombinant CD21 antibodies derived from various hosts such as Mouse, Rabbit, Human. Browse our products below and order directly to support your research with confidence.

Alternative names for CD21 are CR2, Cr2, CR1.

Active filters:

  • Target: CD21 (CR2)
  • Primary
Catalog no. Product Reactivity Host / Clonality Application Price & lead time
ABIN6939184
CD21 antibody (AA 142-240) CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-2754
  • FACS (Flow Cytometry: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • PAr (Protein Array: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7795815
Recombinant CD21 antibody (C-Term) CR2 · Primary Antibody Human, Mouse Rabbit Monoclonal Clone BLR371N
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • ICC (Immunocytochemistry: Validation image available)
  • IP (Immunoprecipitation: Listed application)
$594.15 View price
  • 100 μL
Delivery in 3 to 5 Business Days Shipping to: United States
ABIN7193694
CD21 antibody (AA 740-964) CR2 · Primary Antibody Human Mouse Monoclonal Clone 2D2H6
  • FACS (Flow Cytometry: Validation image available)
  • ELISA (ELISA: Validation image available)
  • WB (Western Blotting: Validation image available)
$473.33 View price
  • 100 μL
Delivery in 3 to 5 Business Days Shipping to: United States
ABIN6138992
CD21 antibody (AA 300-590) CR2 · Primary Antibody Human Rabbit Polyclonal
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IF (Immunofluorescence: Validation image available)
$383.00 View price
  • 100 μL
  • 1 mL
  • 20 μL
  • 500 μL
Delivery in 7 to 10 Business Days Shipping to: United States
ABIN7127277
Recombinant CD21 antibody CR2 · Primary Antibody Human Rabbit Monoclonal Clone 16F10
  • FACS (Flow Cytometry: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IF (Immunofluorescence: Validation image available)
  • ELISA (ELISA: Listed application)
$411.95 View price
  • 100 μL
  • 50 μL
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7264437
CD21 antibody CR2 · Primary Antibody Human, Mouse, Rat Rabbit Polyclonal
  • IF (Immunofluorescence: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
  • IHC (Immunohistochemistry: Listed application)
$620.60 View price
  • 200 μL
  • 60 μL
  • 120 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN6939182
CD21 antibody (AA 44-196) CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-1952
  • IHC (Immunohistochemistry: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • PAr (Protein Array: Validation image available)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6939186
Recombinant CD21 antibody (AA 142-240) CR2 · Primary Antibody Human Rabbit Monoclonal Clone CR2-3124R
  • FACS (Flow Cytometry: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • IF (Immunofluorescence: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • WB (Western Blotting: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN94032
CD21 antibody CR2 · Primary Antibody Human, Pig, Cow, Dog Mouse Monoclonal Clone LT21
  • FACS (Flow Cytometry: Validation image available)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$387.09 View price
  • 100 μg
  • 25 μg
Delivery in 5 to 9 Business Days Shipping to: United States
ABIN704186
CD21 antibody (AA 981-1092) CR2 · Primary Antibody Human Rabbit Polyclonal
  • FACS (Flow Cytometry: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
  • ELISA (ELISA: Validation image available)
  • WB (Western Blotting: Listed application)
$384.62 View price
  • 100 μL
Delivery in 4 to 7 Business Days Shipping to: United States
ABIN7250083
CD21 antibody CR2 · Primary Antibody Human, Mouse, Rat Mouse Monoclonal Clone 5F2
  • IF (Immunofluorescence: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
$480.43 View price
  • 200 μL
  • 20 μL
  • 60 μL
  • 120 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN6939181
Recombinant CD21 antibody (AA 44-196) CR2 · Primary Antibody Human Mouse Monoclonal Clone rCR2-1952
  • IHC (Immunohistochemistry: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6939185
CD21 antibody (AA 142-240) CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-3247
  • IHC (Immunohistochemistry: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • PAr (Protein Array: Validation image available)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN192225
CD21 antibody (PE) CR2 · Primary Antibody Human, Pig, Cow, Dog Mouse Monoclonal Clone LT21
  • FACS (Flow Cytometry: Validation image available)
$561.66 View price
  • 100 tests
  • 25 tests
Delivery in 5 to 9 Business Days Shipping to: United States
ABIN302019
CD21 antibody (FITC) CR2 · Primary Antibody Human, Pig, Cow, Dog Mouse Monoclonal Clone LT21
  • FACS (Flow Cytometry: Validation image available)
$483.86 View price
  • 100 tests
  • 25 tests
Delivery in 5 to 9 Business Days Shipping to: United States
ABIN390953
CD21 antibody (C-Term) CR2 · Primary Antibody Human Rabbit Polyclonal Clone RB21402
  • FACS (Flow Cytometry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
$451.00 View price
  • 400 μL
  • 80 μL
Delivery in 10 to 12 Business Days Shipping to: United States
ABIN7148413
CD21 antibody (AA 761-964) CR2 · Primary Antibody Human Rabbit Polyclonal
  • IHC (Immunohistochemistry: Validation image available)
  • IF (Immunofluorescence: Validation image available)
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7505885
CD21 antibody (APC) CR2 · Primary Antibody Human, Pig, Cow, Dog Mouse Monoclonal Clone LT21
  • FACS (Flow Cytometry: Validation image available)
$561.66 View price
  • 100 tests
Delivery in 5 to 9 Business Days Shipping to: United States
ABIN7013986
CD21 antibody (PerCP) CR2 · Primary Antibody Human, Pig, Cow, Dog Mouse Monoclonal Clone LT21
  • FACS (Flow Cytometry: Validation image available)
$561.66 View price
  • 100 tests
Delivery in 5 to 9 Business Days Shipping to: United States
ABIN7076447
CD21 antibody (FITC) CR2 · Primary Antibody Human Mouse Monoclonal Clone HB5
  • FACS (Flow Cytometry: Validation image available)
$319.09 View price
  • 50 tests
  • 100 tests
Delivery in 2 to 4 Business Days Shipping to: United States
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • PAr (Protein Array: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-2754
Conjugate
unconjugated
Isotype
IgG1, kappa
Binding Specificity
AA 142-240
Catalog No. ABIN6939184
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • ICC (Immunocytochemistry: Validation image available)
  • IP (Immunoprecipitation: Listed application)
Reactivity
Human, Mouse
Host
Rabbit
Clonality
Monoclonal
Clone
BLR371N
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG
Binding Specificity
C-Term
Catalog No. ABIN7795815
$594.15
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 3 to 5 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • ELISA (ELISA: Validation image available)
  • WB (Western Blotting: Validation image available)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
2D2H6
Conjugate
unconjugated
Isotype
IgG1
Binding Specificity
AA 740-964
Catalog No. ABIN7193694
$473.33
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 3 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IF (Immunofluorescence: Validation image available)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 300-590
Catalog No. ABIN6138992
$383.00
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 7 to 10 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IF (Immunofluorescence: Validation image available)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
16F10
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG
Catalog No. ABIN7127277
$411.95
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • IF (Immunofluorescence: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human, Mouse, Rat
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Catalog No. ABIN7264437
$620.60
Plus shipping costs $50.00
200 μL (More quantities available)
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • PAr (Protein Array: Validation image available)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-1952
Conjugate
unconjugated
Isotype
IgG1, kappa
Binding Specificity
AA 44-196
Catalog No. ABIN6939182
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • IF (Immunofluorescence: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CR2-3124R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
AA 142-240
Catalog No. ABIN6939186
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Human, Pig, Cow, Dog
Host
Mouse
Clonality
Monoclonal
Clone
LT21
Conjugate
unconjugated
Isotype
IgG1, kappa
Catalog No. ABIN94032
$387.09
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 5 to 9 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
  • ELISA (ELISA: Validation image available)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 981-1092
Catalog No. ABIN704186
$384.62
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 4 to 7 Business Days
Primary Antibody
  • IF (Immunofluorescence: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
Reactivity
Human, Mouse, Rat
Host
Mouse
Clonality
Monoclonal
Clone
5F2
Conjugate
unconjugated
Isotype
IgG
Catalog No. ABIN7250083
$480.43
Plus shipping costs $50.00
200 μL (More quantities available)
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCR2-1952
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG1, kappa
Binding Specificity
AA 44-196
Catalog No. ABIN6939181
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • SDS (SDS-PAGE: Validation image available)
  • PAr (Protein Array: Validation image available)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-3247
Conjugate
unconjugated
Isotype
IgG2b, kappa
Binding Specificity
AA 142-240
Catalog No. ABIN6939185
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
Reactivity
Human, Pig, Cow, Dog
Host
Mouse
Clonality
Monoclonal
Clone
LT21
Conjugate
PE
Isotype
IgG1, kappa
Catalog No. ABIN192225
$561.66
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 5 to 9 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
Reactivity
Human, Pig, Cow, Dog
Host
Mouse
Clonality
Monoclonal
Clone
LT21
Conjugate
FITC
Isotype
IgG1, kappa
Catalog No. ABIN302019
$483.86
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 5 to 9 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Validation image available)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Clone
RB21402
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 986-1014, C-Term
Catalog No. ABIN390953
$451.00
Plus shipping costs $50.00
400 μL (More quantities available)
Shipping to: United States
Delivery in 10 to 12 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • IF (Immunofluorescence: Validation image available)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 761-964
Catalog No. ABIN7148413
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
Reactivity
Human, Pig, Cow, Dog
Host
Mouse
Clonality
Monoclonal
Clone
LT21
Conjugate
APC
Isotype
IgG1, kappa
Catalog No. ABIN7505885
$561.66
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 5 to 9 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
Reactivity
Human, Pig, Cow, Dog
Host
Mouse
Clonality
Monoclonal
Clone
LT21
Conjugate
PerCP
Isotype
IgG1, kappa
Catalog No. ABIN7013986
$561.66
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 5 to 9 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
Grade
GMP Grade (Analyte)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
HB5
Conjugate
FITC
Isotype
IgG2a
Catalog No. ABIN7076447
$319.09
Plus shipping costs $50.00
50 tests (More quantities available)
Shipping to: United States
Delivery in 2 to 4 Business Days

Latest Publications for our CD21 Antibodies

Kulka, Brennan, Mc Gee: "Investigation of canine extracellular vesicles in diffuse large B-cell lymphomas." in: PloS one, Vol. 17, Issue 9, pp. e0274261, (2022) (PubMed).

Li, Bu, Gabriel, Aguilar, Hoshino, Miyadera, Hess, Hornung, Roy, Cohen: "HLA-DQβ1 alleles associated with Epstein-Barr virus (EBV) infectivity and EBV gp42 binding to cells." in: JCI insight, Vol. 2, Issue 4, pp. e85687, (2017) (PubMed).

John-Schuster, Günter, Hager, Conlon, Eickelberg, Yildirim: "Inflammaging increases susceptibility to cigarette smoke-induced COPD." in: Oncotarget, Vol. 7, Issue 21, pp. 30068-83, (2016) (PubMed).

Sinkora, Butler, Lager, Potockova, Sinkorova: "The comparative profile of lymphoid cells and the T and B cell spectratype of germ-free piglets infected with viruses SIV, PRRSV or PCV2." in: Veterinary research, Vol. 45, pp. 91, (2014) (PubMed).

Avanzi, Leoni, Rotola, Alviano, Solimando, Lanzoni, Bonsi, Di Luca, Marchionni, Alvisi, Ripalti: "Susceptibility of human placenta derived mesenchymal stromal/stem cells to human herpesviruses infection." in: PLoS ONE, Vol. 8, Issue 8, pp. e71412, (2013) (PubMed).

Sinkora, Stepanova, Sinkorova: "Different anti-CD21 antibodies can be used to discriminate developmentally and functionally different subsets of B lymphocytes in circulation of pigs." in: Developmental and comparative immunology, Vol. 39, Issue 4, pp. 409-18, (2013) (PubMed).

Tenaya, Heel, Stumbles, Wilcox: "Flow cytometric analysis of lymphocyte subset kinetics in Bali cattle experimentally infected with Jembrana disease virus." in: Veterinary immunology and immunopathology, Vol. 149, Issue 3-4, pp. 167-76, (2012) (PubMed).

Notley, Brown, Wright, Ehrenstein: "Natural IgM is required for suppression of inflammatory arthritis by apoptotic cells." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 186, Issue 8, pp. 4967-72, (2011) (PubMed).

Kelten, Kabukcu, Sen, Teke, Yaren, Erdem, Duzcan: "Secondary involvement of the breast in T-cell non-Hodgkin lymphoma, an unusual example mimicking inflammatory breast carcinoma." in: Archives of gynecology and obstetrics, Vol. 280, Issue 1, pp. 149-52, (2009) (PubMed).

Singh, Blank, Shoenfeld, Illges: "Antiphospholipid syndrome patients display reduced titers of soluble CD21 in their sera irrespective of circulating anti-beta2-glycoprotein-I autoantibodies." in: Rheumatology international, Vol. 28, Issue 7, pp. 661-5, (2008) (PubMed).

Aliases for CD21 Antibodies

complement C3d receptor 2 (CR2) Antibodies
complement C3d receptor 2 (Cr2) Antibodies
complement C3b/C4b receptor 1 (Knops blood group) (CR1) Antibodies
C3DR Antibodies
CD21 Antibodies
Cd21 Antibodies
cd21 Antibodies
CR Antibodies
CR1 Antibodies
CR1-L Antibodies
CR2 Antibodies
CVID7 Antibodies
SLEB9 Antibodies
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