Nbs1 Antibody

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-54661

Novus Biologicals, part of Bio-Techne
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NBP2-54661
NBP2-54661-25ul
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Key Product Details

Species Reactivity

Validated:

Human

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, 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 Nbs1 Antibodies »

Product Summary for Nbs1 Antibody

Immunogen

Nbs1 Antibody was developed against a Recombinant Protein corresponding to amino acids: DTFSDEAVPESSKISQENEIGKKRELKEDSLWSAKEISNNDKLQDDSEMLPKKLLLTEFRSLVIKNSTSRNPSGINDDYGQLKNFKKFKKVTYPGAGKLPHIIGGSDLIAHHARKNTELEEWLRQEMEVQNQHAKEESLADDL

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

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.

Scientific Data Images for Nbs1 Antibody

Western Blot: Nbs1 Antibody [NBP2-54661]

Western Blot: Nbs1 Antibody [NBP2-54661]

Western Blot: Nbs1 Antibody [NBP2-54661] - Analysis using Nbs1 Antibody [NBP2-54661]. Lane 1: Marker [kDa] 219, 112, 85, 49, 32, 25, 18. Lane 2: Human cell line RT-4. Lane 3: Human cell line U-251MG sp. Lane 4: Human cell line A-431. Molecular Weight observed at ~ 95 kDa.
Immunohistochemistry-Paraffin: Nbs1 Antibody [NBP2-54661]

Immunohistochemistry-Paraffin: Nbs1 Antibody [NBP2-54661]

Immunohistochemistry-Paraffin: Nbs1 Antibody [NBP2-54661] - Staining of human testis with Nbs1 Antibody [NBP2-54661] shows strong nuclear positivity in cells of seminiferous ducts and Leydig cells.

Applications for Nbs1 Antibody

Application
Recommended Usage

Immunohistochemistry

1:200 - 1:500

Immunohistochemistry-Paraffin

1:200 - 1:500

Western Blot

0.04-0.4 ug/ml
Application Notes
For IHC-Paraffin, HIER pH 6 retrieval is recommended.
Please Note: Optimal dilutions of this antibody should be experimentally determined.

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: Nbs1

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

Long Name

Nijmegen Breakage Syndrome 1

Alternate Names

NBN, Nibrin, p95

Gene Symbol

NBN

Additional Nbs1 Products

Product Documents for Nbs1 Antibody

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

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Product Specific Notices for Nbs1 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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