Product nameAnti-Chk2 antibody [EPR5528]
See all Chk2 primary antibodies
DescriptionRabbit monoclonal [EPR5528] to Chk2
Tested applicationsSuitable for: WBmore details
Unsuitable for: Flow Cyt,ICC/IF,IHC-P or IP
Species reactivityReacts with: Human
Synthetic peptide within Human Chk2 aa 1-100 (N terminal). The exact sequence is proprietary.
- SH-SY5Y, HeLa, HT29 and 293T cell lysates.
Mouse, Rat: We have preliminary internal testing data to indicate this antibody may not react with these species. Please contact us for more information.
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free production
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
Storage instructionsShipped at 4°C. Store at -20°C. Stable for 12 months at -20°C.
Dissociation constant (KD)KD = 1.02 x 10 -10 M Learn more about KD
Storage bufferpH: 7.40
Preservative: 0.05% Sodium azide
Constituents: 40% Glycerol, 9.85% Tris glycine, 50% Tissue culture supernatant
Concentration information loading...
PurityTissue culture supernatant
Our Abpromise guarantee covers the use of ab133505 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|WB||Use at an assay dependent dilution. Detects a band of approximately 61 kDa (predicted molecular weight: 61 kDa).|
FunctionRegulates cell cycle checkpoints and apoptosis in response to DNA damage, particularly to DNA double-strand breaks. Inhibits CDC25C phosphatase by phosphorylation on 'Ser-216', preventing the entry into mitosis. May also play a role in meiosis. Regulates the TP53 tumor suppressor through phosphorylation at 'Thr-18' and 'Ser-20'.
Tissue specificityHigh expression is found in testis, spleen, colon and peripheral blood leukocytes. Low expression is found in other tissues.
Involvement in diseaseDefects in CHEK2 are associated with Li-Fraumeni syndrome 2 (LFS2) [MIM:609265]; a highly penetrant familial cancer phenotype usually associated with inherited mutations in p53/TP53.
Defects in CHEK2 may be a cause of susceptibility to prostate cancer (PC) [MIM:176807]. It is a malignancy originating in tissues of the prostate. Most prostate cancers are adenocarcinomas that develop in the acini of the prostatic ducts. Other rare histopathologic types of prostate cancer that occur in approximately 5% of patients include small cell carcinoma, mucinous carcinoma, prostatic ductal carcinoma, transitional cell carcinoma, squamous cell carcinoma, basal cell carcinoma, adenoid cystic carcinoma (basaloid), signet-ring cell carcinoma and neuroendocrine carcinoma.
Defects in CHEK2 are found in some patients with osteogenic sarcoma (OSRC) [MIM:259500].
Sequence similaritiesBelongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family. CHK2 subfamily.
Contains 1 FHA domain.
Contains 1 protein kinase domain.
modificationsPhosphorylated by PLK4.
Cellular localizationNucleus; Nucleus. Isoform 10 is present throughout the cell and Nucleus > PML body. Nucleus > nucleoplasm. Recruited into PML bodies together with TP53.
- Information by UniProt
- CDS 1 antibody
- Cds1 antibody
- Cds1 homolog antibody
Lanes 1, 5 and 9: Wild-type HAP1 cell lysate (20 µg)
Lanes 2, 6 and 10: Chk2 knockout HAP1 cell lysate (20 µg)
Lanes 3, 7 and 11: HeLa cell lysate (20 µg)
Lanes 4, 8 and 12: HEK293 cell lysate (20 µg)
Lanes 1, 2, 3 and 4: Green signal from target - ab133505 observed at 62 kDa
Lanes 5, 6, 7 and 8: Red signal from loading control - ab8245 observed at 37 kDa
Lanes 9, 10, 11 and 12: Merged (red and green) signal
ab133505 was shown to specifically react with Chk2 when Chk2 knockout samples were used. Wild-type and Chk2 knockout samples were subjected to SDS-PAGE. ab133505 and ab8245 (loading control to GAPDH) were diluted 1/10000 and 1/2000 respectively and incubated overnight at 4°C. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed ab216776 secondary antibodies at 1/10000 dilution for 1 h at room temperature before imaging.
All lanes : Anti-Chk2 antibody [EPR5528] (ab133505) at 1/10000 dilution
Lane 1 : SH-SY5Y lysate
Lane 2 : HeLa lysate
Lane 3 : HT29 lysate
Lane 4 : 293T cell lysate
Lysates/proteins at 10 µg per lane.
All lanes : Goat-anti-rabbit HRP at 1/2000 dilution
Predicted band size: 61 kDa
Observed band size: 61 kDa
Lanes 1: Wild-type HAP1 cell lysate (20 µg)
Lanes 2: Chk2 knockout HAP1 cell lysate (20 µg)
Lanes 3: HeLa cell lysate (20 µg)
Lanes 4: HEK293 cell lysate (20 µg)
Lanes 1 - 4: Merged signal (red and green). Green - ab133505 observed at 64 kDa. Red - loading control, ab8245, observed at 37 kDa.
This western blot image is a comparison between ab133505 and a competitor's rabbit polyclonal antibody.
Equilibrium disassociation constant (KD)
Learn more about KD
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