Human Phospho-Nbs1 (S343) Antibody

    
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  • Species Reactivity
    Human
  • Specificity
    Detects human Nbs1 when phosphorylated at S343. Does not recognize Nbs1 when unphosphorylated at S343.
  • Source
    Polyclonal Rabbit IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Phosphopeptide containing human Nbs1 S343 site
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS and Sodium Azide with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Product Datasheets

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Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Example
Detection of Human Phospho-Nbs1 (S343) by Western Blot. Western blot shows Nbs1 immunoprecipitated from lysates of HeLa human cervical epithelial carcinoma cell line using Human Nbs1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1573). HeLa cell line was mock treated or exposed to 100 J/m2 UV-C for 3 hours. PVDF membrane was probed with 1 µg/mL Rabbit Anti-Human Phospho-Nbs1 (S343) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4944) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band for Phospho-Nbs1 (S343) was detected at approximately 95 kDa (as indicated). For additional reference the membrane was stripped and reprobed with 1 µg/mL Human/Mouse/Rat Nbs1 Monoclonal Antibody (lower panel, Catalog # MAB1573) This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
    Reconstitution Buffer Available
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Nbs1

The Nijmegen Breakage Syndrome 1 (Nbs1) protein is a member of the Mre11/Rad50/Nbs1 (MRN) protein complex that binds to DNA double-strand breaks in cells exposed to DNA damaging agents. In addition, the MRN complex colocalizes with replication forks during DNA replication. The MRN complex plays an important role in routine cell cycle progression and genotoxic stress responses by facilitating DNA repair. Nbs1 is phosphorylated at S343 by ATM in response to double-strand breaks and by ATR under replication stress. This phosphorylation triggers the inactivation of late origin firing, which is essential for mediating the intra-S-phase checkpoint. Mutation of the nbs1 gene and resultant loss of Nbs1 protein expression in humans results in the chromosomal instability disease, Nijmegen Breakage Syndrome.

  • Long Name:
    Nijmegen Breakage Syndrome 1
  • Entrez Gene IDs:
    4683 (Human); 27354 (Mouse); 85482 (Rat)
  • Alternate Names:
    ATV; AT-V1; AT-V2; Cell cycle regulatory protein p95; FLJ10155; MGC87362; NBN; Nbs1; NBS1P95; NBSNijmegen breakage syndrome protein 1; Nibrin; Nijmegen breakage syndrome 1 (nibrin); p95 protein of the MRE11/RAD50 complex; p95
Related Research Areas

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Isotype Controls
Description Application Cat# Citations Images  

Normal Rabbit IgG Control

Ctrl AB-105-C 46  
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Normal Rabbit IgG Control

Ctrl , CyTOF-ready MAB1050  
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Reconstitution Buffers
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Reconstitution Buffer 1 (PBS)

RB01
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Secondary Antibodies
Description Application Cat# Citations Images  

Rabbit IgG HRP-conjugated Antibody

WB HAF008 31  
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Donkey Anti-Rabbit IgG NorthernLights™ NL557-conjugated Antibody

Flow , IHC , ICC NL004 10
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Rabbit IgG PE-conjugated Antibody

Flow F0110 2  
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Rabbit IgG APC-conjugated Antibody

Flow F0111 1  
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Donkey Anti-Rabbit IgG NorthernLights™ NL637-conjugated Antibody

Flow , IHC , ICC NL005 2
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Donkey Anti-Rabbit IgG NorthernLights™ NL493-conjugated Antibody

Flow , IHC , ICC NL006 4
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Rabbit IgG Fluorescein-conjugated Antibody

Flow F0112 5  
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Goat Anti-Rabbit IgG Biotinylated Antibody

WB BAF008 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rabbit IgG Antibody

WB AF008 1
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Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC003  
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Donkey Anti-Rabbit IgG (H+L) Antibody

D-301-C-ABS2
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