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Nbs1 Antibody [CoraFluor™ 1]

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Product Details

Summary
Reactivity Hu, MuSpecies Glossary
Applications WB, IHC
Clonality
Polyclonal
Host
Rabbit
Conjugate
CoraFluor 1

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Nbs1 Antibody [CoraFluor™ 1] Summary

Description
CoraFluor(TM) 1 is a high performance terbium-based TR-FRET (Time-Resolved Fluorescence Resonance Energy Transfer) or TRF (Time-Resolved Fluorescence) donor for high throughput assay development. CoraFluor(IM) 1 absorbs UV light at approximately 340 nm, and emits at approximately 490 nm, 545 nm, 585 nm and 620 nm. It is compatible with common acceptor dyes that absorb at the emission wavelengths of CoraFluor(TM) 1. CoraFluor(TM) 1 can be used for the development of robust and scalable TR-FRET binding assays such as target engagement, ternary complex, protein-protein interaction and protein quantification assays.
Immunogen
Nbs1 Antibody was made to a synthetic peptide made to an internal portion of the mouse NBS1 protein (within residues 150-200). [Swiss-Prot# Q9R207]
Localization
Nucleus. Telomere. Note= Localizes to discrete nuclear foci after treatment with genotoxic agents.
Isotype
IgG
Clonality
Polyclonal
Host
Rabbit
Gene
NBN
Purity
Immunogen affinity purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Immunohistochemistry
  • Immunohistochemistry-Paraffin
  • Western Blot
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Reactivity Notes

Mouse reactivity reported in scientific literature (PMID: 21700704).

Packaging, Storage & Formulations

Storage
Store at 4C in the dark. Do not freeze.
Buffer
PBS
Preservative
No Preservative
Purity
Immunogen affinity purified

Notes

CoraFluor (TM) is a trademark of Bio-Techne Corp. Sold for research purposes only under agreement from Massachusetts General Hospital. US patent 2022/0025254

Alternate Names for Nbs1 Antibody [CoraFluor™ 1]

  • ATV
  • AT-V1
  • AT-V2
  • Cell cycle regulatory protein p95
  • FLJ10155
  • MGC87362
  • NBN
  • NBS
  • Nbs1
  • NBS1P95
  • Nibrin
  • Nijmegen breakage syndrome 1 (nibrin)
  • Nijmegen breakage syndrome protein 1
  • p95 protein of the MRE11/RAD50 complex
  • p95

Background

NBS1 (Nijmegen breakage syndrome protein 1, Nibrin) is the eukaryotic component of MRN complex (Mre11-Rad50-Nbs1) involved in homologous recombination repair for DNA double-strand breaks (DSBs) and DNA damage-induced checkpoint activation. NBS1, a nuclear protein with a theoretical molecular weight of 65-85 kDa, is composed of 2 functional regions: the forkhead associated (FHA) N-terminal domain (24-83 amino acids) and the breast cancer C-terminus (BRCT) domain (105-181 amino acids). Mutations in the NBN gene are associated with Nijmegen breakage syndrome, characterized by microcephaly, growth retardation, immunodeficiency, and an increased susceptibility to prostate cancer, lung cancer, liver cancer and intrahepatic cholangiocarcinoma (IHC) (1).

In DNA double strand break repair, the FHA/BRCT domains bind DNA damage sensor proteins including gamma H2AX (phospho Ser139), phosphorylated MDC1 and CtIP (CtBP-interacting protein). NBS1 then recruits the other members of the MRN complex, Mre11 and Rad50, to the proximity of DNA DSBs. The MRN complex has also been shown to interact with ATM or ATR kinases in the presence of DSBs or replication fork stalling, respectively. Phosphorylation of NBS1 at Ser 278 and Ser343 in response to ionizing radiation (IR) is dependent on ATM and is important for activation of the S phase checkpoint. The activation of ATM in response to DNA damage is also facilitated by MRN and may lead to induction of apoptosis (2, 3).

References

1. Bian L, Meng Y, Zhang M, Li D. (2019) MRE11-RAD50-NBS1 complex alterations and DNA damage response: implications for cancer treatment. Mol Cancer. 26;18(1):169. PMID: 31767017

2. Zhang Y, Zhou J, Lim CU. (2006) The role of NBS1 in DNA double strand break repair, telomere stability, and cell cycle checkpoint control. Cell Res. 16(1):45-54. PMID: 16467875

3. Komatsu K. NBS1 and multiple regulations of DNA damage response. (2016) J Radiat Res. 57 Suppl 1:i11-i17. PMID: 27068998

Limitations

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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Product General Protocols

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Video Protocols

WB Video Protocol

FAQs for Nbs1 Antibody (NBP1-06705CL1). (Showing 1 - 4 of 4 FAQ).

  1. If this product is used in an application or species as a part of a customer review, will that validate this product in the application/species?
    • Yes, if this product is used in an untested application or species and it is shown to work through images from customer reviews or through publications, this validates the application/species for this product.
  2. What research areas can this product be used in?
    • All Nbs1 products can be used in Breast Cancer, Cancer, Checkpoint signaling, Chromatin Research, DNA Double Strand Break Repair, DNA Repair, Homologous Recombination, Non-homologous end-joining, Tumor Suppressors, and Cell Cycle and Replication.
  3. What is NBS1?
    • NBS1 is Nijmegen breakage syndrome protein 1, or Nibrin. Please refer to the background listed in the datasheet for a full summary of this common name.
  4. What is the theoretical molecular weight of Nbs1 antibodies?
    • In general, there is only one isoform described for this target. The TMW of the human form of the target protein is 85kDa. The mouse form is 84kDa. However, the observed molecular weight may vary.

Secondary Antibodies

 

Isotype Controls

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Blogs on Nbs1.

The MRE11 Complex and DNA Damage Response
The maintenance of genome stability depends on the DNA damage response (DDR) which is a complex signaling network including cell cycle checkpoints, DNA repair and damage tolerance pathways. The DDR complex has the ability to sense DNA damage and tra...  Read full blog post.

NBS1: The DNA Repair Trigger
NBS1 (Nijmegen breakage syndrome protein 1) is a component of the MRN complex (Mre11-Rad50-Nbs1) that plays important role in detecting DNA double strand breaks (DSBs) and triggering the downstream cascade. DSBs can be caused by ionizing radiation, ch...  Read full blog post.

NBS1: DNA Repair Trigger
NBS1 (Nijmegen breakage syndrome protein 1) is a component of the MRN complex (Mre11-Rad50-Nbs1) that plays important role in detecting DNA double strand breaks (DSBs) and triggering the downstream cascade. DSBs can be caused by ionizing radiation, ch...  Read full blog post.

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Bioinformatics

Gene Symbol NBN