C9233
Monoclonal Anti-Chk2 antibody produced in mouse
clone DCS-270, purified from hybridoma cell culture
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About This Item
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biological source
mouse
Quality Level
conjugate
unconjugated
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
DCS-270, monoclonal
form
buffered aqueous solution
mol wt
antigen 61 kDa
species reactivity
human
concentration
~1 mg/mL
technique(s)
immunocytochemistry: suitable
immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable
immunoprecipitation (IP): suitable
microarray: suitable
western blot: 1-2 μg/mL using using whole extract of cultured 293T (human embryonal kidney) cells
isotype
IgG2a
UniProt accession no.
shipped in
dry ice
storage temp.
−20°C
target post-translational modification
unmodified
Gene Information
human ... CHEK2(11200)
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General description
The protein encoded by this gene is a serine/threonine-protein kinase that acts as a cell cycle checkpoint regulator and a putative tumor suppressor. It contains a C-terminal kinase domain, an N-terminal regulatory region that is rich in TQ and SQ pairs, and a forked head-associated domain (FHA), which is activated by rapid phosphorylation in response to replication blocks and DNA damage.
Specificity
The epitope recognized by the antibody resides within the N-terminal regulatory domain of the Chk2 molecule.
Immunogen
recombinant human Chk2.
Application
Monoclonal Anti-Chk2 antibody produced in mouse is suitable for immunocytochemistry, immunohistochemistry (formalin-fixed, paraffin-embedded sections), microarray, immunoprecipitation and for immunoblotting at a concentration of 1-2 μg/mL using whole extract of cultured 293T cells. It was used for Chk2 immunoprecipitation experiments to study the engagement of the ATR-dependent DNA damage response at the human papillomavirus 18 replication centers during the initial amplification
Biochem/physiol Actions
The protein propagates signals from damaged or unreplicated DNA. It is expressed throughout the cell cycle. Upon activation it phosphorylates and inhibits CDC25C, which leads to increased inhibitory tyrosine phosphorylation of CDK-cyclin complexes, blocking cell cycle progression. It also regulates apoptosis through the phosphorylation of p53, a tumor suppressor protein. The protein regulates DNA repair through phosphorylation of BRCA2. Mutations in this gene have been linked to Li-Fraumeni syndrome, sarcomas, breast cancer, and brain tumors.
Physical form
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Storage Class Code
12 - Non Combustible Liquids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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C H Lee et al.
The Journal of biological chemistry, 276(32), 30537-30541 (2001-06-08)
hCds1 (Chk2) is an evolutionarily conserved kinase that functions in DNA damage response and cell cycle checkpoint. The Cds1 family of kinases are activated by a family of large phosphatidylinositol 3-kinase-like kinases. In humans, ataxia telangiectasia-mutated (ATM) and ataxia-telangiectasia and
Yin Liu et al.
Human mutation, 32(9), 1000-1003 (2011-05-28)
The association between the CHEK2 and breast cancer risk in Chinese women is unknown. Here, we screened the full CHEK2 coding sequence in 118 Chinese familial breast cancer cases who are negative for mutations in BRCA1 and BRCA2, one recurrent
Tormi Reinson et al.
Journal of virology, 87(2), 951-964 (2012-11-09)
We have previously demonstrated that the human papillomavirus (HPV) genome replicates effectively in U2OS cells after transfection using electroporation. The transient extrachromosomal replication, stable maintenance, and late amplification of the viral genome could be studied for high- and low-risk mucosal
B B Zhou et al.
Nature, 408(6811), 433-439 (2000-12-02)
The inability to repair DNA damage properly in mammals leads to various disorders and enhanced rates of tumour development. Organisms respond to chromosomal insults by activating a complex damage response pathway. This pathway regulates known responses such as cell-cycle arrest
S B Lee et al.
Cancer research, 61(22), 8062-8067 (2001-11-24)
Li Fraumeni Syndrome (LFS) is a multicancer phenotype, most commonly associated with germ-line mutations in TP53. In a kindred with LFS without an inherited TP53 mutation, we have previously reported a truncating mutation (1100delC) in CHK2, encoding a kinase that
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