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AB252380

Anti-p53 antibody [EPR20416-120] - BSA and Azide free

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(1 Publication)

Rabbit Recombinant Monoclonal P53 antibody. Carrier free. Suitable for ChIC/CUT&RUN-seq, IP, WB, ICC/IF, Flow Cyt (Intra) and reacts with Human, Mouse samples. Cited in 1 publication.

View Alternative Names

P53, Trp53, Tp53, Cellular tumor antigen p53, Tumor suppressor p53

5 Images
Immunocytochemistry/ Immunofluorescence - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)
  • ICC/IF

Unknown

Immunocytochemistry/ Immunofluorescence - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)

Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized LLC1 (mouse lung carcinoma cell line) cells labeling p53 with ab246550 at 1/100 dilution followed by a Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green). Confocal image showing nuclear staining in LLC1 cells is observed.

The nuclear counter stain is DAPI (blue). Tubulin is detected with an Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) (ab195889) (red) at 1/200 dilution.

Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab246550).

Flow Cytometry (Intracellular) - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)
  • Flow Cyt (Intra)

Unknown

Flow Cytometry (Intracellular) - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)

Intracellular flow cytometric analysis of 4% paraformaldehyde-fixed, 90% methanol-permeabilized LLC1 (mouse lung carcinoma cell line) cell line labeling p53 with ab246550 at 1/60 dilution (red) compared with a Rabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730) (black) and an unlabeled control (cells without incubation with primary antibody and secondary antibody) (blue). Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) at 1/2000 dilution was used as the secondary antibody.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab246550).

Immunoprecipitation - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)
  • IP

Unknown

Immunoprecipitation - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)

p53 was immunoprecipitated from 0.35 mg of LLC1 (mouse lung carcinoma cell line) whole cell lysate with ab246550 at 1/30 dilution. Western blot was performed from the immunoprecipitate using ab246550 at 1/2000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/5000 dilution.

Lane 1 : LLC1 whole cell lysate 10 μg (Input).

Lane 2 : ab246550 IP in LLC1 whole cell lysate.

Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab246550 in LLC1 whole cell lysate.

Blocking and dilution buffer and concentration : 5% NFDM/TBST.

Exposure time : 10 seconds.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab246550).

All lanes:

Immunoprecipitation - Anti-p53 antibody [EPR20416-120] (<a href='/en-us/products/primary-antibodies/p53-antibody-epr20416-120-ab246550'>ab246550</a>)

Predicted band size: 43 kDa

Observed band size: 53 kDa

false

ChIC/CUT&RUN sequencing - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)
  • ChIC/CUT&RUN-seq

Supplier Data

ChIC/CUT&RUN sequencing - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)

ChIC/CUT&RUN was performed using a pAG-MNAse at a final concentration of 700 ng/mL, 2.5 x 10^5 U2OS cells treated with Etoposide (5μM 18h) and 5 µg of ab246550 [EPR20416-120]. The resulting DNA was sequenced on the Illumina NovaSeq 6000 to a depth of 10 million reads. The negative IgG control ab172730 is also shown. Additional screenshots of mapped reads can be found in the Protocol booklet in the Product Protocol section. The University of Geneva owns patents relevant to ChIC (Chromatin Immuno-Cleavage) methods. This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab246550).

Western blot - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)
  • WB

Lab

Western blot - Anti-p53 antibody [EPR20416-120] - BSA and Azide free (AB252380)

This data was developed using ab246550, the same antibody clone in a different buffer formulation.

Blocking and diluting buffer and concentration : 5% NFDM/TBST.

In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (ab181602) 1 : 1,000,000 dilution

Low or negative sample : normal brain (PMID : 32778161); normal liver (PMID : 10949934); NIH/3T3 (PMID : 10628835).

All lanes:

Western blot - Anti-p53 antibody [EPR20416-120] (<a href='/en-us/products/primary-antibodies/p53-antibody-epr20416-120-ab246550'>ab246550</a>) at 1/1000 dilution

Lane 1:

Mouse spleen tissue lysate at 20 µg

Lane 2:

Mouse thymus tissue lysate at 20 µg

Lane 3:

Mouse brain tissue lysate at 20 µg

Lane 4:

Mouse liver tissue lysate at 20 µg

Lane 5:

NIH/3T3 (mouse embryonic fibroblast) whole cell lysate at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution

Predicted band size: 53 kDa

Observed band size: 53 kDa

false

Exposure time: 180s

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR20416-120

Isotype

IgG

Carrier free

Yes

Reacts with

Human, Mouse

Applications

ICC/IF, WB, Flow Cyt (Intra), IP, ChIC/CUT&RUN-seq

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

ab252380 is the carrier-free version of ab246550.

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Do Not Freeze

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The protein p53 also known as TP53 or tumor protein p53 has a molecular weight of approximately 53 kDa. It acts as a transcription factor and plays a major role in cell cycle regulation apoptosis and maintaining genomic stability. This protein mainly expresses in the nucleus of cells and acts as a critical regulator of cellular responses to stress signals including DNA damage. Scientists commonly use p53 antibodies in various assays like western blot and p53 immunofluorescence to detect and study its expression and functional status in cells.
Biological function summary

P53 functions to control cell division and apoptosis serving as a guardian of the genome by preventing mutation accumulation. It does not form part of a larger complex under normal conditions but interacts with various other molecules to execute its functions. p53 can activate or suppress the transcription of numerous genes involved in cell cycle arrest DNA repair and programmed cell death allowing it to halt the progression of damaged cells and trigger repair mechanisms or eliminate those that cannot be repaired.

Pathways

P53 acts within several key biological pathways such as the p53 signaling pathway and the intrinsic apoptotic pathway. Its activity involves interaction with proteins like MDM2 which regulates p53 through ubiquitin-mediated degradation and ATM kinase which phosphorylates p53 in response to DNA damage. These interactions ensure appropriate cellular responses during stress and are vital for maintaining homeostasis.

P53 mutation or inactivation is often associated with the development of cancer given its role in controlling cell division and preventing tumor formation. Specifically its dysfunction has been linked to cancers such as breast cancer and lung cancer. Additionally p53 can interact with other mutant proteins like Ras compounding mutations that contribute to tumor progression and aggressive cancer phenotypes. Understanding these interactions and the status of p53 can be important in developing targeted cancer therapies.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Multifunctional transcription factor that induces cell cycle arrest, DNA repair or apoptosis upon binding to its target DNA sequence (PubMed : 19556538, PubMed : 20673990, PubMed : 22726440). Acts as a tumor suppressor in many tumor types; induces growth arrest or apoptosis depending on the physiological circumstances and cell type. Negatively regulates cell division by controlling expression of a set of genes required for this process. One of the activated genes is an inhibitor of cyclin-dependent kinases. Apoptosis induction seems to be mediated either by stimulation of BAX and FAS antigen expression, or by repression of Bcl-2 expression. Its pro-apoptotic activity is activated via its interaction with PPP1R13B/ASPP1 or TP53BP2/ASPP2 (By similarity). However, this activity is inhibited when the interaction with PPP1R13B/ASPP1 or TP53BP2/ASPP2 is displaced by PPP1R13L/iASPP (By similarity). In cooperation with mitochondrial PPIF is involved in activating oxidative stress-induced necrosis; the function is largely independent of transcription. Prevents CDK7 kinase activity when associated to CAK complex in response to DNA damage, thus stopping cell cycle progression (By similarity). Induces the transcription of long intergenic non-coding RNA p21 (lincRNA-p21) and lincRNA-Mkln1. LincRNA-p21 participates in TP53-dependent transcriptional repression leading to apoptosis, but seems to have to effect on cell-cycle regulation. Regulates the circadian clock by repressing CLOCK-BMAL1-mediated transcriptional activation of PER2 (PubMed : 24051492).
See full target information Tp53

Publications (1)

Recent publications for all applications. Explore the full list and refine your search

Virus research 358:199590 PubMed40480313

2025

Enterovirus 71 structural viral protein 1 promotes the expression of PMP22 through mA modification in mouse Schwann cells.

Applications

Unspecified application

Species

Unspecified reactive species

Qiuyan Peng,Guangming Liu,Danping Zhu,Suyun Li,Sida Yang,Peiqing Li,Yingxian Yin,Dandan Hu
View all publications
chicCutRunSequencingBooklet
en

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