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IL21 Receptor Antibodies

(Interleukin 21 Receptor (IL21R))

Choose one of 69 IL21 Receptor antibodies from our product listing based on 1 publication and 20 validation images.

Explore reliable IL21 Receptor antibodies from a broad selection of renowned manufacturers. Our portfolio enables accurate IL21 Receptor detection across multiple species, including Human, Mouse, Rat, Monkey, and supports diverse research applications such as WB, ELISA, IF (cc), IF (p), IHC.

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 IL21 Receptor antibodies derived from various hosts such as Rabbit, Mouse, Human. Browse our products below and order directly to support your research with confidence.

Alternative names for IL21 Receptor are IL21R, il21r.1, Il21r.

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69 results

IL21 Receptor antibody (AA 441-538) (AbBy Fluor® 555)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 555
Catalog No. ABIN902340
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (AbBy Fluor® 647)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 647
Catalog No. ABIN902338
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (AbBy Fluor® 488)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 488
Catalog No. ABIN902337
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (AbBy Fluor® 350)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 350
Catalog No. ABIN902339
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (HRP)
IL21R Reactivity: Mouse WB, ELISA, IHC (p), IHC (fro) Host: Rabbit Polyclonal HRP
Catalog No. ABIN748157
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (FITC)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal FITC
Catalog No. ABIN748155
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (Cy3)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy3
Catalog No. ABIN748151
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (Cy5)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy5
Catalog No. ABIN748152
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (Cy5.5)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy5.5
Catalog No. ABIN748153
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 441-538) (Cy7)
IL21R Reactivity: Mouse WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy7
Catalog No. ABIN748154
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
IL21 Receptor antibody (AA 20-232)
IL21R Reactivity: Human ELISA, FACS, ICC Host: Mouse Monoclonal 1C3G9 unconjugated
Catalog No. ABIN7193861
-15% Promotion 2026
$465.94
$548.16
save $82.22 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 3 to 4 Business Days
Details
Details
 
IL21 Receptor antibody (AA 20-32)
IL21R Reactivity: Human, Mouse, Rat WB, ELISA, IF Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN6990375
-15% Promotion 2026
$490.87
$577.50
save $86.63 (-15 %)
Plus shipping costs $50.00
0.1 mg (More quantities available)
Shipping to: United States
Delivery in 2 to 3 Business Days
Details
Details
 
IL21 Receptor antibody (AA 80-130)
IL21R Reactivity: Human, Mouse, Rat WB, ELISA, IF, IHC (p) Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN6990374
-15% Promotion 2026
$490.87
$577.50
save $86.63 (-15 %)
Plus shipping costs $50.00
0.1 mg (More quantities available)
Shipping to: United States
Delivery in 2 to 3 Business Days
Details
Details
 
IL21 Receptor antibody (Biotin)
IL21R Reactivity: Mouse FACS Host: Rat Monoclonal 4A9 Biotin
Catalog No. ABIN2144110
-15% Promotion 2026
$756.46
$889.95
save $133.49 (-15 %)
Plus shipping costs $50.00
50 μg
Shipping to: United States
Delivery in 9 to 11 Business Days
Details
Details
 
IL21 Receptor antibody (AA 35-64)
IL21R Reactivity: Mouse ELISA, IHC, FACS Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN1905061
-15% Promotion 2026
$754.86
$888.07
save $133.21 (-15 %)
Plus shipping costs $50.00
200 μg
Shipping to: United States
Delivery in 11 to 14 Business Days
Details
Details
 
IL21 Receptor antibody (N-Term)
IL21R Reactivity: Human, Mouse, Rat WB, ELISA Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN1031410
$460.00
Plus shipping costs $50.00
0.1 mg
Shipping to: United States
Delivery in 2 to 3 Business Days
Details
Details
 
IL21 Receptor antibody (N-Term)
IL21R Reactivity: Human, Mouse, Rat WB, EIA Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN499990
$840.00
Plus shipping costs $50.00
0.1 mg
Shipping to: United States
Will be delivered in 1 Business Day
Details
Details
 
IL21 Receptor antibody (FITC)
IL21R Reactivity: Human, Mouse, Rat, Monkey Host: Mouse Monoclonal 18A5 FITC
Catalog No. ABIN7805063
$291.72
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 7 to 8 Business Days
Details
Details
 
IL21 Receptor antibody (APC)
IL21R Reactivity: Human, Mouse, Rat, Monkey Host: Mouse Monoclonal 18A5 APC
Catalog No. ABIN7805062
$291.72
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 7 to 8 Business Days
Details
Details
 
IL21 Receptor antibody
IL21R Reactivity: Human Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN7805067
$291.72
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 7 to 8 Business Days
Details
Details
 
show more results
  • Type Primary
    • Primary
  • Application
    • Western Blotting (WB)
    • ELISA
    • Immunofluorescence (Cultured Cells) (IF (cc))
    • Immunofluorescence (Paraffin-embedded Sections) (IF (p))
    • Immunohistochemistry (IHC)
    • Flow Cytometry (FACS)
    • Immunohistochemistry (Paraffin-embedded Sections) (IHC (p))
    • Immunocytochemistry (ICC)
    • Immunofluorescence (IF)
    • Immunohistochemistry (Frozen Sections) (IHC (fro))
    • Immunoprecipitation (IP)
    • Enzyme Immunoassay (EIA)
    • Immunofluorescence (fixed cells) (IF/ICC)
  • Reactivity
    • Human
    • Mouse
    • Rat
    • Monkey
  • Cited in publications
  • Images available
  • Carrier free only
  • Host
    • Rabbit
    • Mouse
    • Human
    • Rat
    • Goat
  • Clonality
    • Polyclonal
    • Monoclonal
    • Chimeric
  • Clone
    • 18A5
    • ABS0909
    • 1C3G9
    • 4A9
    • 7F27
    • 8H10G4D12
    • ABS2116
    • ATR-107
    • DMC225
    • MM0395-9Z26
    • RB54166
    • RM0109-7F27
    • SAA0483
  • Binding Specificity
    • AA 441-538
    • N-Term
    • Extracellular Domain
    • AA 20-232
    • AA 20-240
    • AA 97-111
    • AA 131-165
    • AA 20-236
    • AA 20-32
    • AA 21-236
    • AA 23-185
    • AA 35-46
    • AA 35-64
    • AA 65-80
    • AA 80-130
    • Internal Region
    • Middle Region
  • Conjugate
    • Un-conjugated
    • Biotin
    • FITC
    • APC
    • PE
    • PerCP
    • AbBy Fluor® 350
    • AbBy Fluor® 488
    • AbBy Fluor® 555
    • AbBy Fluor® 594
    • AbBy Fluor® 647
    • AbBy Fluor® 680
    • AbBy Fluor® 750
    • Alexa Fluor 488
    • Alexa Fluor 555
    • Alexa Fluor 594
    • Alexa Fluor 647
    • Alexa Fluor 680
    • Alexa Fluor 750
    • Cy3
    • Cy5
    • Cy5.5
    • Cy7
    • HRP
  • Isotype
    • IgG
    • IgG1
    • lambda
    • Ig Fraction
    • IgG2
    • IgG2a kappa
    • kappa
  • Protein Type
    • Recombinant Antibody
  • Format
    • Liquid
    • Lyophilized
  • Fragment
    • Fc fragment
  • Supplier
    • antibodies-online
    • ProteoGenix
    • Signalway
    • USBio
    • Acris
    • Angio-Proteomie
    • ProSci
    • Abbexa
    • Abiocode
    • Boster Bio
    • Cloud-Clone
    • Covalab

Latest Publications for our IL21 Receptor Antibodies

Sekiguchi, Nomoto, Nagata, Kiyota, Fukuda, Yamada, Takezako, Kobayashi: "Gene Expression Profile Signature of Aggressive Waldenström Macroglobulinemia with Chromosome 6q Deletion." in: BioMed research international, Vol. 2018, pp. 6728128, (2019) (PubMed).

Linnebacher, Mayer, Marnet, Bergmann, Herpel, Revia, Yin, Liu, Hackert, Giese, Herr, Gaida: "Interleukin 21 Receptor/Ligand Interaction Is Linked to Disease Progression in Pancreatic Cancer." in: Cells, Vol. 8, Issue 9, (2019) (PubMed).

Zhang, Kiapour, Kapoor, Khan, Thamilarasan, Tao, Cohen, Miller, Sobel, Markovic-Plese: "IL-11 Induces Encephalitogenic Th17 Cells in Multiple Sclerosis and Experimental Autoimmune Encephalomyelitis." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 203, Issue 5, pp. 1142-1150, (2019) (PubMed).

Dinesh, Rasool et al.: "Berberine inhibits IL-21/IL-21R mediated inflammatory proliferation of fibroblast-like synoviocytes through the attenuation of PI3K/Akt signaling pathway and ameliorates IL-21 mediated ..." in: Cytokine, Vol. 106, pp. 54-66, (2018) (PubMed).

Guan, Wang, Meng, Shi, Jiang, Xiao, Shi, Xu, Zhang: "Increased IL-21/IL-21R expression and its proinflammatory effects in autoimmune thyroid disease." in: Cytokine, Vol. 72, Issue 2, pp. 160-5, (2015) (PubMed).

Zhang, Tao, Chopra, Dujmovic-Basuroski, Jin, Tang, Drulovic, Markovic-Plese: "IL-11 Induces Th17 Cell Responses in Patients with Early Relapsing-Remitting Multiple Sclerosis." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 194, Issue 11, pp. 5139-49, (2015) (PubMed).

Kaltenmeier, Gawanbacht, Beyer, Lindner, Trzaska, van der Merwe, Härter, Grüner, Fabricius, Lotfi, Schwarz, Schütz, Hönig, Schulz, Kern, Bommer, Schrezenmeier, Kirchhoff, Jahrsdörfer: "CD4+ T cell-derived IL-21 and deprivation of CD40 signaling favor the in vivo development of granzyme B-expressing regulatory B cells in HIV patients." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 194, Issue 8, pp. 3768-77, (2015) (PubMed).

Biswas, Gupta, Stirzaker, Kumar, Jessberger, Lu, Bhagat, Pernis: "Dual regulation of IRF4 function in T and B cells is required for the coordination of T-B cell interactions and the prevention of autoimmunity." in: The Journal of experimental medicine, Vol. 209, Issue 3, pp. 581-96, (2012) (PubMed).

Liu, Yang, Ma, Wang, Huang, Zhang, Chen, Wu: "Interleukin-21 induces the differentiation of human Tc22 cells via phosphorylation of signal transducers and activators of transcription." in: Immunology, Vol. 132, Issue 4, pp. 540-8, (2011) (PubMed).

Sarra, Caruso, Cupi, Monteleone, Stolfi, Campione, Diluvio, Mazzotta, Botti, Chimenti, Costanzo, MacDonald, Pallone, Monteleone: "IL-21 promotes skin recruitment of CD4(+) cells and drives IFN-?-dependent epidermal hyperplasia." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 186, Issue 9, pp. 5435-42, (2011) (PubMed).

Aliases for IL21 Receptor Antibodies

interleukin 21 receptor (IL21R) Antibodies
interleukin 21 receptor, tandem duplicate 1 (il21r.1) Antibodies
interleukin 21 receptor (Il21r) Antibodies
CD360 Antibodies
il-21ra.a Antibodies
IL21R Antibodies
NILR Antibodies

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