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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
ABIN7568886
p21 antibody (AA 1-164) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
$317.38 View price
  • 100 μg
Delivery in 12 to 15 Business Days Shipping to: United States
ABIN6936898
p21 antibody CDKN1A · Primary Antibody Human, Mouse, Rat, Monkey, Chimpanzee Mouse Monoclonal Clone WA-1
  • IHC (Immunohistochemistry: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7126168
Recombinant p21 antibody (AA 1-100) CDKN1A · Primary Antibody Human Mouse Monoclonal Clone rCIP1-6907
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6936904
Recombinant p21 antibody CDKN1A · Primary Antibody Human Mouse Monoclonal Clone rCIP1-823
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6936905
p21 antibody CDKN1A · Primary Antibody Human Mouse Monoclonal Clone AC8
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6936906
Recombinant p21 antibody CDKN1A · Primary Antibody Human Rabbit Monoclonal Clone CIP1-2275R
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7126169
Recombinant p21 antibody (AA 1-100) CDKN1A · Primary Antibody Human Rabbit Monoclonal Clone CIP1-4377R
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7193811
p21 antibody (AA 1-164) CDKN1A · Primary Antibody Human Mouse Monoclonal Clone 2D4E3E4
  • ELISA (ELISA: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • ICC (Immunocytochemistry: Listed application)
$473.33 View price
  • 100 μL
Delivery in 3 to 5 Business Days Shipping to: United States
ABIN7193735
p21 antibody (AA 1-164) CDKN1A · Primary Antibody Human Mouse Monoclonal Clone 2B7F8
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • FACS (Flow Cytometry: Listed application)
$473.33 View price
  • 100 μL
Delivery in 3 to 5 Business Days Shipping to: United States
ABIN7213074
p21 antibody (pThr145) CDKN1A · Primary Antibody Human, Mouse, Rat Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
$338.03 View price
  • 100 μL
  • 30 μL
  • 200 μL
Delivery in 12 to 16 Business Days Shipping to: United States
ABIN1841525
p21 antibody (AA 134-164) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • 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)
$643.13 View price
  • 400 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN6752221
p21 antibody (N-Term) CDKN1A · Primary Antibody Human, Rat, Cow, Sheep, Pig, Hamster Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
$690.07 View price
  • 100 μL
  • 50 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1953930
p21 antibody (pThr145) (APC) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1953999
p21 antibody (pThr57) (APC) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1953623
p21 antibody (AA 105-140) (APC) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1953624
p21 antibody (pSer130) (APC) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1957635
p21 antibody (pThr57) (HRP) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1958703
p21 antibody (pThr145) (PE) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1975215
p21 antibody (AA 134-164) (PE) CDKN1A · Primary Antibody Human Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN1975216
p21 antibody (AA 117-146) (PE) CDKN1A · Primary Antibody Human, Mouse Rabbit Polyclonal
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 1-164
Catalog No. ABIN7568886
$317.38
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 12 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • IF (Immunofluorescence: Listed application)
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human, Mouse, Rat, Monkey, Chimpanzee
Host
Mouse
Clonality
Monoclonal
Clone
WA-1
Conjugate
unconjugated
Isotype
IgG1, kappa
Catalog No. ABIN6936898
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCIP1-6907
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG1, kappa
Binding Specificity
AA 1-100
Catalog No. ABIN7126168
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCIP1-823
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG1, kappa
Catalog No. ABIN6936904
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
AC8
Conjugate
unconjugated
Isotype
IgG1, kappa
Catalog No. ABIN6936905
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CIP1-2275R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Catalog No. ABIN6936906
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CIP1-4377R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
AA 1-100
Catalog No. ABIN7126169
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
  • FACS (Flow Cytometry: Listed application)
  • ICC (Immunocytochemistry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
2D4E3E4
Conjugate
unconjugated
Isotype
IgG1
Binding Specificity
AA 1-164
Catalog No. ABIN7193811
$473.33
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 3 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
2B7F8
Conjugate
unconjugated
Isotype
IgG1
Binding Specificity
AA 1-164
Catalog No. ABIN7193735
$473.33
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)
  • IHC (Immunohistochemistry: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human, Mouse, Rat
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
pThr145
Catalog No. ABIN7213074
$338.03
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 12 to 16 Business Days
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)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Binding Specificity
AA 134-164
Catalog No. ABIN1841525
$643.13
Plus shipping costs $50.00
400 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human, Rat, Cow, Sheep, Pig, Hamster
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Binding Specificity
N-Term
Catalog No. ABIN6752221
$690.07
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
APC
Isotype
IgG
Binding Specificity
pThr145
Catalog No. ABIN1953930
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
APC
Isotype
IgG
Binding Specificity
pThr57
Catalog No. ABIN1953999
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
APC
Isotype
IgG
Binding Specificity
AA 105-140
Catalog No. ABIN1953623
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
APC
Isotype
IgG
Binding Specificity
pSer130
Catalog No. ABIN1953624
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
HRP
Isotype
IgG
Binding Specificity
pThr57
Catalog No. ABIN1957635
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
  • DB (Dot Blot: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
PE
Isotype
IgG
Binding Specificity
pThr145
Catalog No. ABIN1958703
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
PE
Isotype
IgG
Binding Specificity
AA 134-164
Catalog No. ABIN1975215
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human, Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
PE
Isotype
IgG
Binding Specificity
AA 117-146
Catalog No. ABIN1975216
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 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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