53BP1 Antibody

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-54659

Novus Biologicals, part of Bio-Techne
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NBP2-54659
NBP2-54659-25ul
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Key Product Details

Species Reactivity

Validated:

Human

Predicted:

Mouse (100%), Rat (100%). Backed by our 100% Guarantee.

Applications

Immunocytochemistry/ Immunofluorescence, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG

Concentration

Concentrations vary lot to lot. See vial label for concentration. If unlisted please contact technical services.

View all 53BP1 Antibodies »

Product Specifications

Immunogen

53BP1 Antibody was made to a recombinant protein corresponding to amino acids: AYQCLLIADQHCRTRKYFLCLASGIPCVSHVWVHDSCHANQLQNYRNYLLPAGYSLEEQRILDWQPRENPFQNLKVLLVSDQQQNFLELWSEILMTGGAASVKQHHSSAHNKDIALGVFDVVVTDPSCPASVLKCAEAL

Reactivity Notes

Predicted cross-reactivity based on sequence identity: Mouse (100%), Rat (100%)

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Scientific Data Images for 53BP1 Antibody

Western Blot: 53BP1 Antibody [NBP2-54659]

Western Blot: 53BP1 Antibody [NBP2-54659]

Western Blot: 53BP1 Antibody [NBP2-54659] - Western blot analysis of human cell line SCLC-21H, blotted with 53BP1 Antibody. The molecular weight is observed at ~160 kDa and the theoretical molecular weight of the endogenous protein is 214 kDa.
Immunocytochemistry/ Immunofluorescence: 53BP1 Antibody [NBP2-54659]

Immunocytochemistry/ Immunofluorescence: 53BP1 Antibody [NBP2-54659]

Immunocytochemistry/Immunofluorescence: 53BP1 Antibody [NBP2-54659] - Staining of human cell line U-2 OS with 53BP1 Antibody shows localization to nuclear bodies. Antibody staining is shown in green.

Applications for 53BP1 Antibody

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

0.25-2 ug/ml

Western Blot

0.04 - 0.4 ug/ml
Application Notes
For IHC-Paraffin, HIER pH 6 retrieval is recommended. ICC/IF Fixation Permeabilization: Use PFA/Triton X-100.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

PBS (pH 7.2) and 40% Glycerol

Preservative

0.02% Sodium Azide

Concentration

Concentrations vary lot to lot. See vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: 53BP1

Tumor protein p53 binding protein 1 (P53-binding protein 1 or 53BP1) plays a critical role in tumor suppression and is a putative substrate of ATM kinase with a theoretical molecular weight of 214 kDa. Upon DNA damage, it is phosphorylated and relocalizes to the presumptive sites of damage, specifically, double-strand breaks. 53BP1 plays a key role in response to DNA damage, acts as a signaling checkpoint during mitosis, and enhances TP53-mediated transcriptional activation. Originally identified as p53's transcriptional enhancing partner, 53BP1 is known as a key substrate for ataxia telangiectasia mutated (ATM) signaling, whose function to generate gamma H2AX may be partially compensated by the activity of DNA-dependent kinase (DNA-PK). 53BP1 relocalizes to discrete foci overlapping with gamma phosphorylated histone H2AX; demarcating DNA double strand breaks (DSBs) sites following exposure to radiation (1). 53BP1 functions downstream of gamma H2AX-dependent proteins that collectively establish ionizing radiation induced foci at DSBs. 53BP1 is downstream of Mre11/Rad50/NBS1 (MRN complex), MDC1, RNF8, RNF168 and HERC2 which recruit 53BP1 to the DSB site, suggesting a role in DNA repair through genomic stability maintenance (2).

References

1.Henry, E., Souissi-Sahraoui, I., Deynoux, M., Lefevre, A., Barroca, V., Campalans, A., . . . Arcangeli, M. L. (2019). Human hematopoietic stem/progenitor cells display ROS-dependent long-term hematopoietic defects after exposure to low dose of ionizing radiations. Haematologica. doi:10.3324/haematol.2019.226936

2.Janoshazi, A. K., Horton, J. K., Zhao, M. L., Prasad, R., Scappini, E. L., Tucker, C. J., & Wilson, S. H. (2020). Shining light on the response to repair intermediates in DNA of living cells. DNA Repair (Amst), 85, 102749. doi:10.1016/j.dnarep.2019.102749

Long Name

p53 Binding Protein 1

Alternate Names

p202, TP53BP1

Gene Symbol

TP53BP1

Additional 53BP1 Products

Product Documents for 53BP1 Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for 53BP1 Antibody

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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