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Human 53BP1 - Ready-To-Use ELISA Kit (Colorimetric)

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ELISA: Human 53BP1 - Ready-To-Use ELISA Kit (Colorimetric) [NBP3-38755] - Standard Curve Reference
ELISA: Human 53BP1 - Ready-To-Use ELISA Kit (Colorimetric) [NBP3-38755] - Standard Curve Reference

Product Details

Summary
Reactivity HuSpecies Glossary
Applications ELISA
Suitable Sample Type
Tissue homogenates and other biological fluids
Standard Curve Range
0.312 - 20 ng/mL (example only; lot dependent)
Sensitivity
0.138 ng/mL (example only; lot dependent)

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Human 53BP1 - Ready-To-Use ELISA Kit (Colorimetric) Summary

Description
The Ready-To-Use ELISA kit offers pre-diluted detection reagents and a shorter experimental time.
Assay Length: 3 hours
Standard Curve Range
0.312 - 20 ng/mL (example only; lot dependent)
Sensitivity
0.138 ng/mL (example only; lot dependent)
Assay Type
Sandwich ELISA
Inter-Assay
%CV < 12 (example only; lot dependent)
Intra-Assay
%CV < 10 (example only; lot dependent)
Sample Volume
100 uL
Kit Type
ELISA Kit (Colorimetric)
Gene
TP53BP1

Applications/Dilutions

Dilutions
  • ELISA

Packaging, Storage & Formulations

Storage
Storage of components varies. See protocol for specific instructions.

Kit Components

Components
  1. Detection Solution A
  2. Detection Solution B
  3. Instruction manual
  4. Plate sealer for 96 wells
  5. Pre-coated 96T strip plate
  6. Standard Diluent
  7. Standard
  8. Stop Solution
  9. TMB Substrate
  10. Wash Buffer (30 x concentrate)

Alternate Names for Human 53BP1 - Ready-To-Use ELISA Kit (Colorimetric)

  • 53BP1
  • p202
  • p53-binding protein 1
  • p53bp1
  • TDRD30
  • TP53-Binding Protein 1
  • TP53BP1
  • tumor protein 53-binding protein, 1
  • tumor protein p53 binding protein 1
  • tumor protein p53-binding protein, 1
  • tumor suppressor p53-binding protein 1

Background

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

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

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Product General Protocols

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FAQs for 53BP1 ELISA Kit (NBP3-38755). (Showing 1 - 2 of 2 FAQ).

  1. We're looking for anti53BP1 antibody covalently labeled with a fluorofor preferabley Cy3. Do you make it?
    • We sell 53BP1 antibodies available conjugated to DyLight 488, 550 (very similar in spectrum to Cy3) and 650. You may also purchase the unlabeled antibodies and conjugate them to the fluorophores of your choice. The catalog numbers that you may be interested in are: NB100-904R, NB100-304R, NB100-305R.
  2. Hello I want to ask you for an advice in case of antibodies. In our research we focus on DNA repair foci and use your Novus antibodies for phosphorylated histone H2AX (monoclonal mouse) and protein 53BP1(polyclonal rabbit). Now we want to use antobody for phosphorylated 53BP1 protein to increase specifity and I want to ask you which from your NOVUS antibodies will be the best for us.
    • We currently stock just one antibody to phosphorylated 53BP1, which you can see at the following link: NB100-1803. This is guaranteed for detection of 53BP1 (pSer25) in human and mouse samples by WB, FLOW, ICC/IF,IHC-P, IP and PLA. As this antibody is a rabbit polyclonal, you would be unable to stain for both 53BP1 and its phosphorylated isoform in the same sample, unless you used an antibody from a different host for detection of total 53BP1 or used directly conjugated primaries. Our mouse monoclonal to 53BP1, with catalogue number NBP2-25028, is validated for detection of the human protein by WB, FLOW and IHC. Unfortunately we do not currently stock any other antibodies to phosphorylated 53BP1.

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The recent relationship of BRCA1 and 53BP1
The p53-binding protein 1 (53BP1) is a DNA damage response factor, which is recruited to nuclear structures at the site of DNA damage.  DNA double-strand breaks (DSBs) are mutations that are detrimental to cell viability and genome stability, and m...  Read full blog post.
53BP1 - a marker for DNA Double Strand Break
53BP1 (p53 binding protein 1) was originally thought to be an enhancer for p53 transcriptional, but later studies have demonstrated that it is actually a substrate for ataxia telangiectasia mutated (ATM). 53BP1 is a classic late DNA damage response...  Read full blog post.
53BP1 - DNA damage is no fun
The 53BP1 (p53 binding protein 1) was initially believed to be a p53 transcriptional enhancing partner, but it has now been established as an ataxia telangiectasia mutated (ATM) substrate. As a late DNA damage response (DDR) marker, 53BP1 appears duri...  Read full blog post.
53BP1, DNA Damage Response and Tumor Suppression
53BP1 (p53 binding protein 1) was originally thought to be a p53 transcriptional enhancing partner, but now has been shown to be an ataxia telangiectasia mutated (ATM) substrate. It is a late DNA damage response (DDR) marker, appearing in the telophas...  Read full blog post.
53BP1, DNA Damage Response and Tumor Suppression
53BP1 (p53 binding protein 1) was originally thought to be a p53 transcriptional enhancing partner, but now has been shown to be an ataxia telangiectasia mutated (ATM) substrate. It is a late DNA damage response (DDR) marker, appearing in the telophas...  Read full blog post.
NUP153 & 53BP1: A Novel DNA Repair Pathway
Mediating DNA damage is a crucial process, and one of the most important cellular guards against cancer. In response to DNA damage, sophisticated cellular machinery is recruited to repair the breaks, and if it fails, the cell is committed to death. De...  Read full blog post.
Blocking 53BP1 Expression Lessens Tumor Development in BRCA1-Defective Mice
Our antibody database at Novus Biologicals provides research tools for the forefront of cancer research. Recently, a mouse study using 53BP1 and BRCA1 antibodies showed that deletion of 53BP1 greatly lessened the incidence of tumor development in mice...  Read full blog post.
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Bioinformatics

Gene Symbol TP53BP1