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P5813 Sigma-Aldrich

Monoclonal Anti-p53 antibody produced in mouse

clone BP53-12, ascites fluid

Synonym: Anti-Transformation-related protein 53, Anti-TRP53



Related Categories Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies for Cell Cycle, Antibodies for Epigenetics and Nuclear Signaling,
conjugate   unconjugated
clone   BP53-12, monoclonal
biological source   mouse
application(s)   immunocytochemistry: suitable
  immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:400 using methacarn-fixed, paraffin-embedded sections of human malignant tissue
  immunohistochemistry (frozen sections): suitable
  immunoprecipitation (IP): suitable
  indirect ELISA: suitable
  microarray: suitable
  western blot: suitable using cell lysates from human cell lines known to express high levels of the p53 protein
species reactivity   human
mol wt   antigen 53 kDa
shipped in   dry ice
storage temp.   −20°C
antibody form   ascites fluid
isotype   IgG2a
antibody product type   primary antibodies
contains   15 mM sodium azide
UniProt accession no.   P04637
Gene Information   human ... TP53(7157)


General description

Monoclonal Anti-p53 (mouse Ig2a isotype) is derived from the BP53-12 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with recombinant human wild-type p53 protein. The tumor suppressor gene TP53 (gene) codes for a transcription factor. TP53 gene is mapped to human chromosome 17p13.1. The human wild-type p53 protein is a 393 amino acid nuclear phosphoprotein, present in the nucleus of all normal mammalian cells.


recombinant human wild-type p53 protein.


Monoclonal Anti-p53 antibody produced in mouse has been used in:
• western blotting
• immunohistochemistry
• immunocytochemistry
• enzyme linked immunosorbent assay (ELISA)

Mouse monoclonal clone BP53-12 anti-p53 antibody is a useful tool suitable for the detection and quantitation of p53 applying various immunochemical techniques, especially immunohistochemistry using conventionally fixed and processed histological sections. The product is also useful for immunoprecipitation, ELISA and immunocytochemical staining of cultured cell lines.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Biochem/physiol Actions

The tumor suppressor gene TP53 (gene) gene is involved in the regulation of cell cycle, senescence and apoptosis upon oncogene activation, stress and DNA damage. Point mutations of the wild-type gene have been suggested to be a key event in the development of malignancy as the mutant protein acts as a dominant oncogene. Indeed, mutations of the p53 gene are the most common molecular changes identified in human cancer. They have been reported to be a frequent feature of breast, lung, colon, ovarian, brain, testicular and bladder cancers, melanoma, neurofibrosarcoma, and certain types of leukemia. The accumulation of high levels of p53 is a potential novel marker for malignancy. Monoclonal Anti-p53 recognizes a denaturation resistant epitope on the primate p53 nuclear protein (53 kDa). It does not react with other cellular proteins.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
Keywords: Affinity chromatography, Centrifugation, Chromatography, Digestions, Direct immunofluorescence, Gene expression, High performance liquid chromatography, Immunofluorescence, Ion Exchange, Microscopy, Precipitation, Purification, Rheumatology, Scanning electron microscopy

Cancer Stem Cells: New Targets for Cancer Therapy

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Keywords: Cancer, Cell attachment, Cell culture, Cell proliferation, Gastrointestinal, Gene expression, Transcription, transformation

p53: DNA Damage Response and Cancer

p53 is a transcription factor that binds to defined consensus sites within DNA. A major function of p53 is to repress genes involved in cell growth stimulation while activating alternate genes involv...
Keywords: Acetylations, Adhesion, Apoptosis, Cancer, Carcinogens, DNA replication, Degradations, Eliminations, Environmental, Gene expression, Phosphorylations, Substitutions, Transcription


Western Blot Protocol | Immunoblotting Protocol

Western Blotting refers to the electrophoretic transfer of proteins from sodium dodecyl sulfate polyacrylamide gels to sheets of PVDF or nitrocellullose membrane, followed by immunodetection of prote...
Keywords: AGE, Buffers, Cell disruption, Detection methods, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

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