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p21 Antibodies

(Cyclin-Dependent Kinase Inhibitor 1A (p21, Cip1) (CDKN1A))

Choose one of 340 p21 antibodies from our product listing based on 33 publications and 117 validation images.

Explore reliable p21 antibodies from a broad selection of renowned manufacturers. Our portfolio enables accurate p21 detection across multiple species, including Human, Mouse, Rat, Monkey, Chimpanzee, Cow, Sheep, Dog, Pig, Zebrafish (Danio rerio), Guinea Pig, Hamster, Horse, Non-Human Primate, Rabbit, and supports diverse research applications such as WB, IHC, IF, ELISA, IF (p).

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 p21 antibodies derived from various hosts such as Rabbit, Mouse, Rat. Browse our products below and order directly to support your research with confidence.

Alternative names for p21 are CCND1, CDKN1A, Cdkn1a, cdkn1a.L, cki1, cdkn1a, KRAS.

Active filters:

  • Target: p21 (CDKN1A)
  • Primary
Catalog no. Product Reactivity Host / Clonality Application Price & lead time
ABIN215393
p21 antibody (AA 58-77) CDKN1A · Primary Antibody Human Mouse Monoclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$1,386.73 View price
  • 50 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN6757165
p21 antibody (AA 139-164) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
$948.20 View price
  • 100 μg
  • 50 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN7487749
Recombinant p21 antibody (AA 120-138) CDKN1A · Primary Antibody Human, Mouse Rabbit Chimeric Clone Y13-238
  • IP (Immunoprecipitation: Listed application)
$624.00 View price
  • 200 μg
Delivery in 7 to 13 Business Days Shipping to: United States
ABIN7487750
Recombinant p21 antibody (AA 120-138) CDKN1A · Primary Antibody Human, Mouse Rat Monoclonal Clone Y13-238
  • IP (Immunoprecipitation: Listed application)
$624.00 View price
  • 200 μg
Delivery in 7 to 13 Business Days Shipping to: United States
ABIN7464427
p21 antibody CDKN1A · Primary Antibody Human Mouse Monoclonal Clone GT1032
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IP (Immunoprecipitation: Listed application)
  • ICC (Immunocytochemistry: Listed application)
  • KO validated
$740.00 View price
  • 100 μL
Delivery in 3 to 5 Business Days Shipping to: United States
ABIN7464428
p21 antibody CDKN1A · Primary Antibody Human Mouse Monoclonal Clone GT8611
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • ICC (Immunocytochemistry: Listed application)
  • KO validated
$740.00 View price
  • 100 μL
Delivery in 3 to 5 Business Days Shipping to: United States
ABIN7148908
p21 antibody (AA 2-164) (Biotin) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7148910
p21 antibody (AA 2-164) (HRP) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7148909
p21 antibody (AA 2-164) (FITC) CDKN1A · Primary Antibody Human Rabbit Polyclonal
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN2141310
p21 antibody (Thr145) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • ELISA (ELISA: Listed application)
$784.75 View price
  • 100 μg
Delivery in 9 to 12 Business Days Shipping to: United States
ABIN5620425
p21 antibody (C-Term) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IP (Immunoprecipitation: Listed application)
$799.11 View price
  • 100 μL
Delivery in 9 to 12 Business Days Shipping to: United States
ABIN5618470
p21 antibody (Thr145) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
$705.02 View price
  • 100 μg
Delivery in 9 to 12 Business Days Shipping to: United States
ABIN2450357
p21 antibody (Biotin) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$511.13 View price
  • 100 μg
  • 20 μg
  • 50 μg
  • 200 μg
  • 500 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN2891531
p21 antibody (Gly139) CDKN1A · Primary Antibody Human, Mouse, Rat Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
$659.27 View price
  • 100 μL
  • 50 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN6989051
p21 antibody (AA 81-159) CDKN1A · Primary Antibody Mouse Rabbit Polyclonal
  • IF (Immunofluorescence: Listed application)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$384.62 View price
  • 100 μL
Delivery in 4 to 7 Business Days Shipping to: United States
ABIN6982910
p21 antibody (AA 81-159) (Biotin) CDKN1A · Primary Antibody Mouse Rabbit Polyclonal
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$451.08 View price
  • 100 μL
Delivery in 16 to 20 Business Days Shipping to: United States
ABIN6987831
p21 antibody (AA 81-159) (HRP) CDKN1A · Primary Antibody Mouse Rabbit Polyclonal
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$470.46 View price
  • 100 μL
Delivery in 16 to 20 Business Days Shipping to: United States
ABIN909694
p21 antibody (AA 101-164) (AbBy Fluor® 350) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • IF (p) (Immunofluorescence (Paraffin-embedded Sections): Listed application)
  • IF (cc) (Immunofluorescence (Cultured Cells): Listed application)
$458.46 View price
  • 100 μL
Delivery in 16 to 20 Business Days Shipping to: United States
ABIN909695
p21 antibody (AA 101-164) (AbBy Fluor® 488) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • IF (p) (Immunofluorescence (Paraffin-embedded Sections): Listed application)
  • IF (cc) (Immunofluorescence (Cultured Cells): Listed application)
$458.46 View price
  • 100 μL
Delivery in 16 to 20 Business Days Shipping to: United States
ABIN672615
p21 antibody (AA 101-164) (HRP) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$470.46 View price
  • 100 μL
Delivery in 16 to 20 Business Days Shipping to: United States
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Conjugate
unconjugated
Isotype
IgG1 kappa
Binding Specificity
AA 58-77
Catalog No. ABIN215393
$1,386.73
Plus shipping costs $50.00
50 μg
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 139-164
Catalog No. ABIN6757165
$948.20
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IP (Immunoprecipitation: Listed application)
Reactivity
Human, Mouse
Host
Rabbit
Clonality
Chimeric
Clone
Y13-238
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, lambda
Binding Specificity
AA 120-138
Catalog No. ABIN7487749
$624.00
Plus shipping costs $50.00
200 μg
Shipping to: United States
Delivery in 7 to 13 Business Days
Primary Antibody
  • IP (Immunoprecipitation: Listed application)
Reactivity
Human, Mouse
Host
Rat
Clonality
Monoclonal
Clone
Y13-238
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG2a, lambda
Binding Specificity
AA 120-138
Catalog No. ABIN7487750
$624.00
Plus shipping costs $50.00
200 μg
Shipping to: United States
Delivery in 7 to 13 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IP (Immunoprecipitation: Listed application)
  • ICC (Immunocytochemistry: Listed application)
KO validated
Grade
KO Validated
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
GT1032
Conjugate
unconjugated
Isotype
IgG2a
Catalog No. ABIN7464427
$740.00
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 3 to 5 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • ICC (Immunocytochemistry: Listed application)
KO validated
Grade
KO Validated
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
GT8611
Conjugate
unconjugated
Isotype
IgG2b
Catalog No. ABIN7464428
$740.00
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 3 to 5 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
Biotin
Isotype
IgG
Binding Specificity
AA 2-164
Catalog No. ABIN7148908
$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
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
HRP
Isotype
IgG
Binding Specificity
AA 2-164
Catalog No. ABIN7148910
$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
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
FITC
Isotype
IgG
Binding Specificity
AA 2-164
Catalog No. ABIN7148909
$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
  • WB (Western Blotting: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
Thr145
Catalog No. ABIN2141310
$784.75
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 9 to 12 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IP (Immunoprecipitation: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Binding Specificity
C-Term
Catalog No. ABIN5620425
$799.11
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 9 to 12 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
Thr145
Catalog No. ABIN5618470
$705.02
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 9 to 12 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
Biotin
Isotype
IgG
Catalog No. ABIN2450357
$511.13
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
Reactivity
Human, Mouse, Rat
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Binding Specificity
Gly139
Catalog No. ABIN2891531
$659.27
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IF (Immunofluorescence: Listed application)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 81-159
Catalog No. ABIN6989051
$384.62
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 4 to 7 Business Days
Primary Antibody
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
Biotin
Isotype
IgG
Binding Specificity
AA 81-159
Catalog No. ABIN6982910
$451.08
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 16 to 20 Business Days
Primary Antibody
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
HRP
Isotype
IgG
Binding Specificity
AA 81-159
Catalog No. ABIN6987831
$470.46
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 16 to 20 Business Days
Primary Antibody
  • IF (p) (Immunofluorescence (Paraffin-embedded Sections): Listed application)
  • IF (cc) (Immunofluorescence (Cultured Cells): Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
AbBy Fluor® 350
Isotype
IgG
Binding Specificity
AA 101-164
Catalog No. ABIN909694
$458.46
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 16 to 20 Business Days
Primary Antibody
  • IF (p) (Immunofluorescence (Paraffin-embedded Sections): Listed application)
  • IF (cc) (Immunofluorescence (Cultured Cells): Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
AbBy Fluor® 488
Isotype
IgG
Binding Specificity
AA 101-164
Catalog No. ABIN909695
$458.46
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 16 to 20 Business Days
Primary Antibody
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
HRP
Isotype
IgG
Binding Specificity
AA 101-164
Catalog No. ABIN672615
$470.46
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 16 to 20 Business Days

Latest Publications for our p21 Antibodies

Lipskaia, Maisonnasse, Fouillade, Sencio, Pascal, Flaman, Born, London-Vallejo, Le Grand, Bernard, Trottein, Adnot: "Evidence that SARS-CoV-2 Induces Lung-Cell Senescence: Potential Impact on COVID-19 Lung Disease." in: American journal of respiratory cell and molecular biology, (2021) (PubMed).

Tang, Cao, Cai, An, Li, Peng, Chen, Luo, Tao, Li: "Epigallocatechin gallate induces chemopreventive effects on rats with diethylnitrosamine‑induced liver cancer via inhibition of cell division cycle 25A." in: Molecular medicine reports, Vol. 22, Issue 5, pp. 3873-3885, (2021) (PubMed).

Novais, Diekman, Shapiro, Risbud: "p16Ink4a deletion in cells of the intervertebral disc affects their matrix homeostasis and senescence associated secretory phenotype without altering onset of senescence." in: Matrix biology : journal of the International Society for Matrix Biology, (2019) (PubMed).

Couture, Mora, Al Bittar, Najih, Touaibia, Martin: "Luteolin modulates gene expression related to steroidogenesis, apoptosis, and stress response in rat LC540 tumor Leydig cells." in: Cell biology and toxicology, (2019) (PubMed).

Ji, Zheng, Liu, Ren, Gao, Zhang, Li: "Resveratrol promotes oxidative stress to drive DLC1 mediated cellular senescence in cancer cells." in: Experimental cell research, Vol. 370, Issue 2, pp. 292-302, (2018) (PubMed).

Lin, Li, Ye, Chen, Zhang, Wang, Xi, Bu, Qiu: "LncRNA GACAT3 acts as a competing endogenous RNA of HMGA1 and alleviates cucurbitacin B-induced apoptosis of gastric cancer cells." in: Gene, (2018) (PubMed).

Guo, Zhao, Fei, Zhao, Zheng, Su, Wu, Li, Chang: "Dicer1 downregulation by multiple myeloma cells promotes the senescence and tumor-supporting capacity and decreases the differentiation potential of mesenchymal stem cells." in: Cell death & disease, Vol. 9, Issue 5, pp. 512, (2018) (PubMed).

He, Peng, Fan, Chen, Zheng, Li: "Cullin3/KCTD5 induces monoubiquitination of ΔNp63α and impairs its activity." in: FEBS letters, Vol. 592, Issue 13, pp. 2334-2340, (2018) (PubMed).

Aratani, Tagawa, Nagasaka, Sakai, Shimizu, Tsuruoka: "Radiation-induced premature cellular senescence involved in glomerular diseases in rats." in: Scientific reports, Vol. 8, Issue 1, pp. 16812, (2018) (PubMed).

Xiang, Yang, Xin, Gaertig, Reeves, Li, Li: "DYRK1A regulates Hap1-Dcaf7/WDR68 binding with implication for delayed growth in Down syndrome." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 114, Issue 7, pp. E1224-E1233, (2017) (PubMed).

Aliases for p21 Antibodies

cyclin D1 (CCND1) Antibodies
cyclin dependent kinase inhibitor 1A (CDKN1A) Antibodies
cyclin-dependent kinase inhibitor 1A (P21) (Cdkn1a) Antibodies
cyclin-dependent kinase inhibitor 1A (Cdkn1a) Antibodies
cyclin-dependent kinase inhibitor 1A L homeolog (cdkn1a.L) Antibodies
cyclin-dependent kinase inhibitor 1 (cki1) Antibodies
cyclin-dependent kinase inhibitor 1A (cdkn1a) Antibodies
cyclin dependent kinase inhibitor 1A (Cdkn1a) Antibodies
KRAS proto-oncogene, GTPase (KRAS) Antibodies
CAP20 Antibodies
cap20 Antibodies
CCND1 Antibodies
CDKI Antibodies
CDKN1 Antibodies
Cdkn1 Antibodies
cdkn1 Antibodies
CDKN1A Antibodies
CIP1 Antibodies
Cip1 Antibodies
cip1 Antibodies
KRAS2 Antibodies
MDA-6 Antibodies
mda-6 Antibodies
mda6 Antibodies
p16Xic2 Antibodies
P21 Antibodies
p21 Antibodies
p21CIP1 Antibodies
p21Cip1 Antibodies
p21cip1 Antibodies
p21ras Antibodies
p21WAF Antibodies
SDI1 Antibodies
sdi1 Antibodies
si:ch1073-48m5.2 Antibodies
UV96 Antibodies
WAF1 Antibodies
Waf1 Antibodies
waf1 Antibodies
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