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Nbs1 Antibody (7E4A2) - Azide and BSA Free

Images

 
Immunocytochemistry/ Immunofluorescence: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - Analysis of Hela cells using mouse Nbs1 Antibody (7E4A2) [NBP2-26297] (green). Blue: DRAQ5 fluorescent DNA dye ...read more
Immunohistochemistry-Paraffin: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - Analysis of Nbs1 in paraffin-embedded cervical cancer tissues using mouse Nbs1 Antibody (7E4A2) [NBP2-26297] with DAB staining. ...read more
Flow Cytometry: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - Analysis of Nbs1 in Hela cells using mouse Nbs1 Antibody (7E4A2) [NBP2-26297] (green) and negative control (red). Image from the standard format ...read more
Immunohistochemistry: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - Analysis of paraffin-embedded rectum cancer tissues using mouse Nbs1 Antibody (7E4A2) [NBP2-26297] with DAB staining. Image from the ...read more
ELISA: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - ELISA analysis using Nbs1 Antibody (7E4A2) [NBP2-26297]. Image from the standard format of this antibody.
Simple Western: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - Analysis using Nbs1 Antibody (7E4A2) [NBP2-26297]. Molecular Weight observed at: 115 kDa. Image from the standard format of this antibody.
Genetic Strategies: Knockout Validated: Nbs1 Antibody (7E4A2) - Azide and BSA Free [NBP2-80867] - Western blot shows lysates of HeLa human cervical epithelial carcinoma parental cell line and Nbs1 knockout (KO) ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications WB, Simple Western, ELISA, Flow, ICC/IF, IHC, CyTOF-ready, KO
Clone
7E4A2
Clonality
Monoclonal
Host
Mouse
Conjugate
Unconjugated
Format
Azide and BSA Free
Concentration
1 mg/ml
Validated by:
     

Genetic Strategies

   

Nbs1 Antibody (7E4A2) - Azide and BSA Free Summary

Immunogen
Nbs1 Antibody (7E4A2) was made to partial recombinant human NBS1 (between residues 400-650) expressed in E. coli [Uniprot O60934]
Localization
Nucleus
Isotype
IgG2 Alpha
Clonality
Monoclonal
Host
Mouse
Gene
NBN
Purity
Ammonium sulfate precipitation
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • CyTOF-ready
  • ELISA
  • Flow Cytometry 1:200 - 1:400
  • Immunocytochemistry/ Immunofluorescence 1-50 - 1:100
  • Immunohistochemistry 1:200 - 1:1000
  • Immunohistochemistry-Paraffin
  • Knockout Validated
  • Simple Western 1:50
  • Western Blot 1:500 - 1:2000
Application Notes
In Simple Western only 10 - 15 uL of the recommended dilution is used per data point. Separated by Size-Wes, Sally Sue/Peggy Sue.
Theoretical MW
85 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Storage
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
PBS
Preservative
No Preservative
Concentration
1 mg/ml
Purity
Ammonium sulfate precipitation

Alternate Names for Nbs1 Antibody (7E4A2) - Azide and BSA Free

  • 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

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

Video Protocols

WB Video Protocol
ICC/IF Video Protocol

FAQs for Nbs1 Antibody (NBP2-80867). (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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Research Areas for Nbs1 Antibody (NBP2-80867)

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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