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Home >> Antibodies >> p53 Antibody (N-Terminal Region)

p53 Antibody (N-Terminal Region) [clone DO-7] (V2284)

  Catalog No Formulation Size Price (USD)  
Image V2284-100UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide 100 ug 499
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V2284-20UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide 20 ug 219
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V2284SAF-100UG 1 mg/ml in 1X PBS; BSA free, sodium azide free 100 ug 499
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V2284IHC-7ML Prediluted in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide; *For IHC use only* 7 ml 499
IHC staining of FFPE normal human colon with p53 antibody (clone DO-7).
Western blot testing of 293 cell lysate with p53 antibody (clone DO-7).
Species Reactivity Human
Format Purified
Clonality Monoclonal (mouse origin)
Isotype Mouse IgG2b, kappa
Clone Name DO-7
Purity Protein G affinity chromatography
Buffer 1X PBS, pH 7.4
Gene ID 7157
Localization Nuclear
Applications Western blot : 0.5-1.0ug/ml
Immunohistochemistry (FFPE) : 0.5-1.0ug/ml for 30 min at RT (1)
Prediluted IHC only format : incubate for 30 min at RT (2)
Limitations This p53 antibody is available for research use only.
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Description

This antibody is specific for a 53kDa protein, which is identified as p53 suppressor gene product. The large number of prolines in its amino acid sequence causes p53 to migrate slowly in SDS-PAGE, resulting in the amino acid content-estimated 43 kDa protein appearing larger than expected. DO-7 reacts with the mutant as well as the wild form of p53 under denaturing and non-denaturing conditions. It binds to MDM2, SV40 T antigen and human papilloma virus E6 protein. Positive nuclear staining with p53 antibody has been reported to be a negative prognostic factor in breast carcinoma, lung carcinoma, colorectal, and urothelial carcinoma. p53 positivity has also been used to differentiate uterine serous carcinoma from endometrioid carcinoma as well as to detect intra-tubular germ cell neoplasia.

Application Notes

The concentration stated for each application is a general starting point. Variations in protocols, secondaries and substrates may require the p53 antibody to be titered up or down for optimal performance.

1. Staining of formalin-fixed tissues requires boiling tissue sections in 10mM citrate buffer, pH 6.0, for 10-20 min followed by cooling at RT for 20 minutes.
2. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min.

Immunogen

Recombinant human wild type p53 expressed in E. coli was used as the immunogen for this antibody. Its epitope maps within the N-terminus portion (aa 20-25) of the p53 oncoprotein.

Storage

Store the p53 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).

Alternate Names

Antigen NY-CO-13, BCC7, LFS1, TP53, Transformation Related Protein 53 (TRP53), Tumor Suppressor p53 antibody

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