Nbs1 Antibody Blocking Peptide

Novus Biologicals, part of Bio-Techne | Catalog # NBP1-06705PEP

Novus Biologicals, part of Bio-Techne
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NBP1-06705PEP
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Key Product Details

Conjugate

Unconjugated

Applications

Antibody Competition

View all Nbs1 Proteins and Enzymes »

Product Specifications

Description

A Nbs1 antibody blocking peptide.

Application Notes

This peptide is useful as a blocking peptide for NBP1-06705. For further blocking peptide related protocol, click here.

Protein / Peptide Type

Antibody Blocking Peptide

Formulation, Preparation and Storage

NBP1-06705PEP
Formulation Peptide dissolved in dH2O. Contains no BSA.
Preservative No Preservative
Concentration 1.0 mg/ml
Shipping The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Store at -80C. 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 Blocking Peptide

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Nbs1 Antibody Blocking Peptide

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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