Phospho-Chk2 (Thr68) Antibody

Cat. No.: HY-P80799: Data Sheet COA
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Phospho-Chk2 (Thr68) Antibody is a Rabbit-derived and non-conjugated IgG polyclonal antibody, targeting to Phospho-Chk2 (Thr68).

For research use only. We do not sell to patients.

Size	Stock	Quantity
20 μL	In-stock	Estimated Time of Arrival: December 31
50 μL	In-stock	Estimated Time of Arrival: December 31
100 μL	In-stock	Estimated Time of Arrival: December 31
250 μL	Get quote

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Phospho-Chk2 (Thr68) Antibody Featured Recommendations:

2 Publications Citing Use of MCE Phospho-Chk2 (Thr68) Antibody

WB: Western Blot;
IHC-P: Immunohistochemistry-Paraffin;
IHC-F: Immunohistochemistry-Frozen;
ICC/IF: Immunocytochemistry/Immunofluorescence;
IF-Tissue: Immunofluorescence-Tissue;
mIHC: Multiplex Immunohistochemical;
IP: Immunoprecipitation;
ChIP: Chromatin Immunoprecipitation;
FC: Flow Cytometry;
ELISA: Enzyme Linked Immunosorbent Assay

Product Detail
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Background
Documentation

Description

Phospho-Chk2 (Thr68) Antibody is a Rabbit-derived and non-conjugated IgG polyclonal antibody, targeting to Phospho-Chk2 (Thr68).

Host

Rabbit

Clonality

Polyclonal

Molecular Weight

Predicted band size: 61 kDa;

Observed band size: 61 kDa

Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.

Species Reactivity

Human, Mouse, Rat

SwissProt ID

O96017

Gene ID

11200 [NCBI]

Immunogen

Synthetic phosphopeptide corresponding to residues surrounding Thr68 of Human Chk2.AA range:35-84.

Application &
Dilution Ratio

Application	Dilution Ratio
WB WB: Western Blot	1:500-1:1000
IHC-P IHC-P: Immunohistochemistry-Paraffin	1:50-1:100
ICC/IF ICC/IF: Immunocytochemistry/Immunofluorescence	1:50-1:200

Sensitivity	Endogenous	Purity	affinity purified
Conjugation	Non-conjugated	Modification	Phosphorylated
Isotype	IgG

Appearance

Liquid

Formulation

Supplied in 1*PBS (pH 7.3), 50% glycerol and 0.5% BSA. Preservative: 0.02% sodium azide.

Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

Shipping

Shipping with blue ice.

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ALL IHC-P mIHC

Immunohistochemical analysis of paraffin-embedded human Endometrial Carcinoma tissue using Phospho-Chk2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80799, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.
Immunohistochemical analysis of paraffin-embedded human Colon cancer‌ tissue using Phospho-Chk2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80799, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.
Immunohistochemical analysis of paraffin-embedded human Colon cancer‌ tissue using Phospho-Chk2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80799, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.
Immunohistochemical analysis of paraffin-embedded human Breast Cancer tissue using Phospho-Chk2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80799, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.
Immunohistochemical analysis of paraffin-embedded human Breast Cancer tissue using Phospho-Chk2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80799, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.
Immunohistochemical analysis of paraffin-embedded human Lung Adenocarcinoma tissue using Phospho-Chk2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80799, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Breast Cancer tissue using Phospho-Chk2 (Thr68) antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80799, 1:300 dilution) at room temperature for 60 minutes and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium.
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Breast Cancer tissue using Phospho-Chk2 (Thr68) antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80799, 1:300 dilution) at room temperature for 60 minutes and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium.
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Breast Cancer tissue using Phospho-Chk2 (Thr68) antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80799, 1:300 dilution) at room temperature for 60 minutes and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium.
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Colon cancer‌ tissue using Phospho-Chk2 (Thr68) antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80799, 1:300 dilution) at room temperature for 60 minutes and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium.
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Colon cancer‌ tissue using Phospho-Chk2 (Thr68) antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80799, 1:300 dilution) at room temperature for 60 minutes and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium.
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Colon cancer‌ tissue using Phospho-Chk2 (Thr68) antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80799, 1:300 dilution) at room temperature for 60 minutes and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium.

Background

Function：Serine/threonine-protein kinase which is required for checkpoint-mediated cell cycle arrest, activation of DNA repair and apoptosis in response to the presence of DNA double-strand breaks. May also negatively regulate cell cycle progression during unperturbed cell cycles. Following activation, phosphorylates numerous effectors preferentially at the consensus sequence [L-X-R-X-X-S/T] (PubMed:37943659). Regulates cell cycle checkpoint arrest through phosphorylation of CDC25A, CDC25B and CDC25C, inhibiting their activity. Inhibition of CDC25 phosphatase activity leads to increased inhibitory tyrosine phosphorylation of CDK-cyclin complexes and blocks cell cycle progression. May also phosphorylate NEK6 which is involved in G2/M cell cycle arrest. Regulates DNA repair through phosphorylation of BRCA2, enhancing the association of RAD51 with chromatin which promotes DNA repair by homologous recombination. Also stimulates the transcription of genes involved in DNA repair (including BRCA2) through the phosphorylation and activation of the transcription factor FOXM1. Regulates apoptosis through the phosphorylation of p53/TP53, MDM4 and PML. Phosphorylation of p53/TP53 at 'Ser-20' by CHEK2 may alleviate inhibition by MDM2, leading to accumulation of active p53/TP53. Phosphorylation of MDM4 may also reduce degradation of p53/TP53. Also controls the transcription of pro-apoptotic genes through phosphorylation of the transcription factor E2F1. Tumor suppressor, it may also have a DNA damage-independent function in mitotic spindle assembly by phosphorylating BRCA1. Its absence may be a cause of the chromosomal instability observed in some cancer cells. Promotes the CCAR2-SIRT1 association and is required for CCAR2-mediated SIRT1 inhibition (PubMed:25361978). Under oxidative stress, promotes ATG7 ubiquitination by phosphorylating the E3 ubiquitin ligase TRIM32 at 'Ser-55' leading to positive regulation of the autophagosme assembly (PubMed:37943659); (Microbial infection) Phosphorylates herpes simplex virus 1/HHV-1 protein ICP0 and thus activates its SUMO-targeted ubiquitin ligase activity

Subcellular Localization：Nucleus; Nucleus; Nucleus; Nucleus; Nucleus; Nucleus, PML body; Nucleus, nucleoplasm

Expression：
Tissue_specificity:This gene is highly expressed in the testes, spleen, colon, and peripheral blood leukocytes, but lowly expressed in other tissues.

Isoforms & Post-Translational Modification：O96017 has 13 isomers: O96017-1: 60915 Da (predicted); O96017-2: 26084 Da (predicted); O96017-3: 17370 Da (predicted); O96017-4: 50203 Da (predicted); O96017-5: 22594 Da (predicted); O96017-6: 18706 Da (predicted); O96017-7: 38125 Da (predicted); O96017-8: 32142 Da (predicted); O96017-9: 65419 Da (predicted); O96017-10: 15420 Da (predicted); O96017-11: 24396 Da (predicted); O96017-12: 57526 Da (predicted); O96017-13: 36157 Da (predicted).
Phosphorylated. Phosphorylated at Ser-73 by PLK3 in response to DNA damage, promoting phosphorylation at Thr-68 by ATM and the G2/M transition checkpoint. Phosphorylation at Thr-68 induces homodimerization. Autophosphorylates at Thr-383 and Thr-387 in the T-loop/activation segment upon dimerization to become fully active and phosphorylate its substrates like for instance CDC25C. DNA damage-induced autophosphorylation at Ser-379 induces CUL1-mediated ubiquitination and regulates the pro-apoptotic function. Phosphorylation at Ser-456 also regulates ubiquitination. Phosphorylated by PLK4;Ubiquitinated. CUL1-mediated ubiquitination regulates the pro-apoptotic function. Ubiquitination may also regulate protein stability. Ubiquitinated by RNF8 via 'Lys-48'-linked ubiquitination

Subunit：Homodimer. Homodimerization is part of the activation process but the dimer may dissociate following activation. Interacts with PML. Interacts with TP53. Interacts with RB1; phosphorylates RB1. Interacts with BRCA1. Interacts (phosphorylated at Thr-68) with MDC1; requires ATM-mediated phosphorylation of CHEK2. Interacts with TP53BP1; modulates CHEK2 phosphorylation at Thr-68 in response to ionizing radiation. Interacts with CDC25A; phosphorylates CDC25A and mediates its degradation in response to ionizing radiation. Interacts with CUL1; mediates CHEK2 ubiquitination and regulation. Interacts with CDKN2AIP. Interacts (via protein kinase domain) with CCAR2 (via N-terminus). Interacts with SIRT1

RRID

AB_3102197

Database

Entrez Gene: 11200 Human ; 50883 Mouse ; 114212 Rat

SwissProt: O96017 Human ; Q9Z265 Mouse ;

OMIM: 609265 Human

Research Field

Epigenetics and Nuclear Signaling

Synonyms

CHEK2; CDS1; CHK2; RAD53; Serine/threonine-protein kinase Chk2; CHK2 checkpoint homolog; Cds1 homolog; Hucds1; hCds1; Checkpoint kinase 2

Documentation

Select Batch:

Data Sheet (235 KB) SDS (252 KB)

COA (206 KB)

User Guide for Antibodies (1077 KB)

Phospho-Chk2 (Thr68) Antibody Related Classifications

Help & FAQs

Do most proteins show cross-species activity?
Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Phospho-Chk2 (Thr68) Antibody

Phospho-Chk2 (Thr68) Antibody Featured Recommendations:

2 Publications Citing Use of MCE Phospho-Chk2 (Thr68) Antibody

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Phospho-Chk2 (Thr68) Antibody Related Classifications

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