Nbs1 Antibody

Novus Biologicals, part of Bio-Techne | Catalog # NB100-60648

Novus Biologicals, part of Bio-Techne
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NB100-60648
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Key Product Details

Validated by

Independent Antibodies

Species Reactivity

Validated:

Mouse

Cited:

Mouse

Predicted:

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

Applications

Immunoprecipitation, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG

Concentration

0.2 mg/ml

View all Nbs1 Antibodies »

Product Specifications

Immunogen

The immunogen recognized by Nbs1 Antibody maps to a region between residue 701 and 751 of mouse Nibrin using the numbering given in entry NP_038780.3 (GeneID 27354).

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Theoretical MW

84 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 [NB100-60648]

Western Blot: Nbs1 Antibody [NB100-60648]

Western Blot: Nbs1 Antibody [NB100-60648] - Detection of mouse Nbs1 by western blot. Samples: Whole cell lysate (50 ug) from L1210 and CT26.WT cells prepared using NETN lysis buffer. Antibody: Affinity purified rabbit anti-Nbs1 antibody [NB100-60648] (lot 2) used for WB at 0.1 ug/ml. Detection: Chemiluminescence with an exposure time of 3 minutes. Observed Molecular Weight at ~95 kDa.
Immunoprecipitation: Nbs1 Antibody [NB100-60648]

Immunoprecipitation: Nbs1 Antibody [NB100-60648]

Immunoprecipitation: Nbs1 Antibody [NB100-60648] - Detection of mouse Nbs1 by western blot of immunoprecipitates. Samples: Whole cell lysate (1.0 mg per IP reaction; 20% of IP loaded) from L1210 cells prepared using NETN lysis buffer. Antibodies: Affinity purified rabbit anti-Nbs1 antibody [NB100-60648] used for IP at 3 ug per reaction. Nbs1 was also immunoprecipitated by rabbit anti-Nbs1 antibody from Company B. For blotting immunoprecipitated NBS1, NB100-60648 was used at 1 ug/ml. Detection: Chemiluminescence with an exposure time of 30 seconds. Band detected at ~95 kDa.

Applications for Nbs1 Antibody

Application
Recommended Usage

Immunoprecipitation

2-5 ug/mg lysate

Western Blot

1:2000-1:10000
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

TBS and 0.1% BSA

Preservative

0.09% Sodium Azide

Concentration

0.2 mg/ml

Shipping

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

Stability & Storage

Store at 4C. Do not freeze.

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

Entrez Gene IDs

27354 (Mouse)

Gene Symbol

NBN

UniProt

Q9R207 (Mouse)

Additional Nbs1 Products

Product Documents for Nbs1 Antibody

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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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