Human Phospho-Chk2 (T68) Antibody

Recombinant Monoclonal Antibody.
(1 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human Chk2 when phosphorylated at T68 in direct ELISAs and Western blots.
  • Source
    Recombinant Monoclonal Rabbit IgG Clone # 1238H
  • Purification
    Protein A or G purified from cell culture supernatant
  • Immunogen
    E.coli-derived recombinant human Phospho-Chk2 (T68)
    Accession # O96017
  • Formulation
    Supplied as a solution in PBS containing BSA, Glycerol and Sodium Azide. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Immunocytochemistry
    2-25 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 Examples
Detection of Human Chk2 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line untreated (-) or treated (+) with 1 μM Camptothecin (CPT) for 5 hours. PVDF membrane was probed with 2 µg/mL of Rabbit Anti-Human Phospho-Chk2 (T68) Monoclonal Antibody (Catalog # MAB1626) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for Chk2 at approximately 68 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Immunocytochemistry
Phospho-Chk2 (T68) in HeLa Human Cell Line. Chk2phosphorylated at T68 was detected in immersion fixed HeLa human cervical epithelial carcinoma cell line unstimulated (lower panel) or stimulated with 1 μM Camptothecin (upper panel) using Rabbit Anti-Human Phospho-Chk2 (T68) Monoclonal Antibody (Catalog # MAB1626) at 2 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Rabbit IgG Secondary Antibody (red; Catalog # NL004) and counterstained with DAPI (blue). Specific staining was localized to nuclei (upper panel). View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Preparation and Storage
  • Shipping
    The product is shipped with polar packs. 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 °C, as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after opening.
    • 6 months, -20 to -70 °C under sterile conditions after opening.
Background: Chk2

Serine/threonine-protein kinase Chk2 (CHEK2) is a 65 kDa member of Serine/threonine-protein kinase family of proteins. Chk2 regulates cell cycle checkpoint arrest through phosphorylation of CDC25A, CDC25B and CDC25C. Inhibition of CDC25 phosphatase activity leads to increased inhibitory tyrosine phosphorylation of CDK-cyclin complexes and blocks cell cycle progression. Chk2 is required for checkpoint-mediated cell cycle arrest, activation of DNA repair and apoptosis in response to the presence of DNA double-strand breaks.Existence of multiple splice variants of Chk2 is predicted. Human Chk2 shares 86% aa sequence identity with mouse Chk2.

  • Long Name:
    Checkpoint Kinase 2
  • Entrez Gene IDs:
    11200 (Human); 50883 (Mouse); 114212 (Rat)
  • Alternate Names:
    CDS1; CHEK2; CHK2 checkpoint homolog (S. pombe); Chk2; EC 2.7.11; EC 2.7.11.1; HuCds1; LFS2; PP1425; Rad53; S.pombe) homolog
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citations: Showing 1 - 1

  1. Tumor-targeted SN38 inhibits growth of early stage non-small cell lung cancer (NSCLC) in a KRas/p53 transgenic mouse model
    Authors: AY Deneka, L Haber, MC Kopp, AV Gaponova, AS Nikonova, EA Golemis
    PLoS ONE, 2017;12(4):e0176747.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
Cell and Tissue Staining Kits
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Anti-Rabbit HRP-DAB Cell & Tissue Staining Kit

CTS005 3
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Anti-Rabbit HRP-AEC Cell & Tissue Staining Kit

CTS006 3
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Isotype Controls
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Normal Rabbit IgG Control

Ctrl AB-105-C 42  
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Normal Rabbit IgG Control

Ctrl, CyTOF-ready MAB1050  
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Secondary Antibodies
Description Application Cat# Citations Images  

Rabbit IgG HRP-conjugated Antibody

WB HAF008 23  
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Donkey Anti-Rabbit IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL004 10
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Donkey Anti-Rabbit IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL005 2
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Rabbit IgG APC-conjugated Antibody

Flow F0111 1  
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Rabbit IgG PE-conjugated Antibody

Flow F0110 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 VisUCyte HRP Polymer Antibody

IHC VC003  
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Rabbit IgG Antibody

WB AF008 1
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Donkey Anti-Rabbit IgG (H+L) Antibody

D-301-C-ABS2
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